./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer --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 15efa77def43d479206e17bb9981463db781c0a6 ....................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 20:07:17,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:07:17,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:07:17,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:07:17,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:07:17,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:07:17,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:07:17,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:07:17,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:07:17,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:07:17,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:07:17,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:07:17,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:07:17,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:07:17,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:07:17,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:07:17,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:07:17,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:07:17,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:07:17,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:07:17,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:07:17,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:07:17,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:07:17,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:07:17,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:07:17,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:07:17,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:07:17,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:07:17,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:07:17,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:07:17,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:07:17,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:07:17,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:07:17,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:07:17,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:07:17,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:07:17,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:07:17,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:07:17,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:07:17,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:07:17,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:07:17,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:07:17,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:07:17,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:07:17,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:07:17,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:07:17,908 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:07:17,908 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:07:17,908 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:07:17,909 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:07:17,909 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:07:17,909 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:07:17,911 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:07:17,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:07:17,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:07:17,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:07:17,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:07:17,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:07:17,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:07:17,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:07:17,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:07:17,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:07:17,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:07:17,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:07:17,915 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:07:17,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:07:17,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:07:17,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:07:17,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:07:17,917 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:07:17,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:07:17,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:07:17,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:07:17,920 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:07:17,921 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:07:17,922 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:/tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15efa77def43d479206e17bb9981463db781c0a6 [2020-11-29 20:07:18,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:07:18,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:07:18,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:07:18,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:07:18,349 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:07:18,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2020-11-29 20:07:18,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/data/f380911f6/a5e77121036d4fc7938f96557cf600d6/FLAG749daefe7 [2020-11-29 20:07:19,096 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:07:19,096 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2020-11-29 20:07:19,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/data/f380911f6/a5e77121036d4fc7938f96557cf600d6/FLAG749daefe7 [2020-11-29 20:07:19,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/data/f380911f6/a5e77121036d4fc7938f96557cf600d6 [2020-11-29 20:07:19,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:07:19,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:07:19,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:07:19,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:07:19,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:07:19,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:07:19" (1/1) ... [2020-11-29 20:07:19,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d434a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:19, skipping insertion in model container [2020-11-29 20:07:19,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:07:19" (1/1) ... [2020-11-29 20:07:19,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:07:19,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:07:19,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:07:19,876 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:07:19,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:07:20,020 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:07:20,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20 WrapperNode [2020-11-29 20:07:20,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:07:20,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:07:20,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:07:20,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:07:20,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:07:20,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:07:20,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:07:20,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:07:20,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... [2020-11-29 20:07:20,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:07:20,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:07:20,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:07:20,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:07:20,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:07:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:07:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:07:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:07:20,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:07:21,319 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:07:21,319 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-29 20:07:21,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:07:21 BoogieIcfgContainer [2020-11-29 20:07:21,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:07:21,322 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:07:21,323 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:07:21,328 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:07:21,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:07:21,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:07:19" (1/3) ... [2020-11-29 20:07:21,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79bbd302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:07:21, skipping insertion in model container [2020-11-29 20:07:21,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:07:21,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:07:20" (2/3) ... [2020-11-29 20:07:21,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79bbd302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:07:21, skipping insertion in model container [2020-11-29 20:07:21,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:07:21,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:07:21" (3/3) ... [2020-11-29 20:07:21,335 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-11-29 20:07:21,411 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:07:21,411 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:07:21,411 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:07:21,411 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:07:21,412 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:07:21,412 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:07:21,412 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:07:21,412 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:07:21,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states. [2020-11-29 20:07:21,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-11-29 20:07:21,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:07:21,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:07:21,476 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:07:21,476 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:07:21,477 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:07:21,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states. [2020-11-29 20:07:21,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-11-29 20:07:21,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:07:21,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:07:21,484 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:07:21,484 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:07:21,490 INFO L794 eck$LassoCheckResult]: Stem: 25#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 6#L405true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 12#L413true main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 56#L500true assume 0 != main_~tmp~3; 33#L477true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 55#L138-1true [2020-11-29 20:07:21,491 INFO L796 eck$LassoCheckResult]: Loop: 55#L138-1true assume !false; 11#L171true assume test_~splverifierCounter~0 < 4; 27#L172true test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 23#L180true assume !(0 != test_~tmp~1); 22#L180-1true test_~tmp___0~1 := test_#t~nondet20;havoc test_#t~nondet20; 7#L190true assume !(0 != test_~tmp___0~1); 5#L190-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 53#L200true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 3#L208-1true assume !(0 != ~pumpRunning~0); 29#L239true assume !(0 != ~systemActive~0); 34#L246true havoc __utac_acc__Specification4_spec__1_#t~ret17, __utac_acc__Specification4_spec__1_#t~ret18, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 49#L123true __utac_acc__Specification4_spec__1_#t~ret17 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret17;havoc __utac_acc__Specification4_spec__1_#t~ret17; 9#L138true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 55#L138-1true [2020-11-29 20:07:21,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:07:21,498 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 20:07:21,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:07:21,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868236935] [2020-11-29 20:07:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:07:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:21,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:21,913 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:21,983 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:07:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:07:21,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941106, now seen corresponding path program 1 times [2020-11-29 20:07:21,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:07:21,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305433420] [2020-11-29 20:07:21,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:07:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:07:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:07:22,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305433420] [2020-11-29 20:07:22,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:07:22,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:07:22,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937670662] [2020-11-29 20:07:22,081 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 20:07:22,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:07:22,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:07:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:07:22,102 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2020-11-29 20:07:22,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:07:22,211 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2020-11-29 20:07:22,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:07:22,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2020-11-29 20:07:22,222 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2020-11-29 20:07:22,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2020-11-29 20:07:22,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2020-11-29 20:07:22,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2020-11-29 20:07:22,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2020-11-29 20:07:22,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:07:22,233 INFO L691 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-11-29 20:07:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2020-11-29 20:07:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2020-11-29 20:07:22,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-11-29 20:07:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2020-11-29 20:07:22,277 INFO L714 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2020-11-29 20:07:22,277 INFO L594 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2020-11-29 20:07:22,277 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:07:22,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2020-11-29 20:07:22,280 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2020-11-29 20:07:22,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:07:22,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:07:22,281 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:07:22,281 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:07:22,282 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY #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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 185#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 183#L405 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 184#L413 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 194#L500 assume 0 != main_~tmp~3; 212#L477 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 213#L138-1 [2020-11-29 20:07:22,282 INFO L796 eck$LassoCheckResult]: Loop: 213#L138-1 assume !false; 238#L171 assume test_~splverifierCounter~0 < 4; 237#L172 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 236#L180 assume !(0 != test_~tmp~1); 234#L180-1 test_~tmp___0~1 := test_#t~nondet20;havoc test_#t~nondet20; 233#L190 assume !(0 != test_~tmp___0~1); 231#L190-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 227#L200 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 174#L208-1 assume !(0 != ~pumpRunning~0); 176#L239 assume 0 != ~systemActive~0; 206#L246 havoc __utac_acc__Specification4_spec__1_#t~ret17, __utac_acc__Specification4_spec__1_#t~ret18, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 242#L123 __utac_acc__Specification4_spec__1_#t~ret17 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret17;havoc __utac_acc__Specification4_spec__1_#t~ret17; 240#L138 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 213#L138-1 [2020-11-29 20:07:22,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:07:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 20:07:22,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:07:22,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017896540] [2020-11-29 20:07:22,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:07:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:22,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:22,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:22,590 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:07:22,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:07:22,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030479, now seen corresponding path program 1 times [2020-11-29 20:07:22,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:07:22,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446669096] [2020-11-29 20:07:22,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:07:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:22,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:22,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:22,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:07:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:07:22,628 INFO L82 PathProgramCache]: Analyzing trace with hash 41248459, now seen corresponding path program 1 times [2020-11-29 20:07:22,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:07:22,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981850755] [2020-11-29 20:07:22,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:07:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:22,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:07:22,809 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:07:22,829 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:07:22,981 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-11-29 20:08:46,295 WARN L193 SmtUtils]: Spent 1.39 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 20:09:45,612 WARN L193 SmtUtils]: Spent 59.31 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 20:09:45,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:09:45 BoogieIcfgContainer [2020-11-29 20:09:45,839 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:09:45,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:09:45,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:09:45,840 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:09:45,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:07:21" (3/4) ... [2020-11-29 20:09:45,844 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 20:09:45,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_051d9f19-a114-47b2-a7a3-281016a2c69b/bin/uautomizer/witness.graphml [2020-11-29 20:09:45,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:09:45,905 INFO L168 Benchmark]: Toolchain (without parser) took 146539.20 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 54.7 MB in the beginning and 34.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,906 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 86.0 MB. Free memory was 41.6 MB in the beginning and 41.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:09:45,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.32 ms. Allocated memory is still 86.0 MB. Free memory was 54.5 MB in the beginning and 53.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.90 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 50.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,908 INFO L168 Benchmark]: Boogie Preprocessor took 40.88 ms. Allocated memory is still 86.0 MB. Free memory was 50.7 MB in the beginning and 49.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,909 INFO L168 Benchmark]: RCFGBuilder took 1171.31 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.6 MB in the beginning and 57.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,910 INFO L168 Benchmark]: BuchiAutomizer took 144516.62 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 57.2 MB in the beginning and 37.0 MB in the end (delta: 20.2 MB). Peak memory consumption was 54.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,910 INFO L168 Benchmark]: Witness Printer took 63.47 ms. Allocated memory is still 125.8 MB. Free memory was 37.0 MB in the beginning and 34.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:45,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 86.0 MB. Free memory was 41.6 MB in the beginning and 41.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.32 ms. Allocated memory is still 86.0 MB. Free memory was 54.5 MB in the beginning and 53.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.90 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 50.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.88 ms. Allocated memory is still 86.0 MB. Free memory was 50.7 MB in the beginning and 49.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1171.31 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.6 MB in the beginning and 57.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 144516.62 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 57.2 MB in the beginning and 37.0 MB in the end (delta: 20.2 MB). Peak memory consumption was 54.8 MB. Max. memory is 16.1 GB. * Witness Printer took 63.47 ms. Allocated memory is still 125.8 MB. Free memory was 37.0 MB in the beginning and 34.9 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 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 144.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 144.1s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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: 170]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14300} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=14324, NULL=0, NULL=14300, NULL=0, NULL=14308, retValue_acc=0, NULL=0, NULL=14302, NULL=14315, NULL=14301, NULL=14305, methaneLevelCritical=0, NULL=14325, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=14313, NULL=14314, cleanupTimeShifts=4, NULL=14318, tmp=0, NULL=14312, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d632ba2=0, NULL=14321, NULL=0, NULL=14320, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, tmp=1, NULL=14329, NULL=0, NULL=14306, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@689571b6=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2359502b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c5ae271=0, NULL=14327, tmp=1, NULL=0, NULL=0, NULL=14304, NULL=0, NULL=0, NULL=14310, tmp___2=71, NULL=0, NULL=14309, tmp___0=0, NULL=14311, splverifierCounter=0, NULL=0, NULL=14328, NULL=14322, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bd5cfe8=0, NULL=14307, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@609b1f95=71, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@438164b0=0, NULL=0, NULL=0, NULL=14319, NULL=14323, NULL=14316, NULL=14326, NULL=14317} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L232] int pumpRunning = 0; [L233] int systemActive = 1; [L418] int cleanupTimeShifts = 4; [L683] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L491] int retValue_acc ; [L492] int tmp ; [L409] int retValue_acc ; [L412] retValue_acc = 1 [L413] return (retValue_acc); [L498] tmp = valid_product() [L500] COND TRUE \read(tmp) [L161] int splverifierCounter ; [L162] int tmp ; [L163] int tmp___0 ; [L164] int tmp___1 ; [L165] int tmp___2 ; [L168] splverifierCounter = 0 Loop: [L170] COND TRUE 1 [L172] COND TRUE splverifierCounter < 4 [L178] tmp = __VERIFIER_nondet_int() [L180] COND FALSE !(\read(tmp)) [L188] tmp___0 = __VERIFIER_nondet_int() [L190] COND FALSE !(\read(tmp___0)) [L198] tmp___2 = __VERIFIER_nondet_int() [L200] COND TRUE \read(tmp___2) [L375] systemActive = 1 [L239] COND FALSE !(\read(pumpRunning)) [L246] COND TRUE \read(systemActive) [L131] int tmp ; [L132] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L136] tmp = getWaterLevel() [L138] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...