./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/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 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 0.2.0-a4ecdab [2020-11-29 19:29:44,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:29:44,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:29:45,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:29:45,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:29:45,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:29:45,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:29:45,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:29:45,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:29:45,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:29:45,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:29:45,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:29:45,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:29:45,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:29:45,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:29:45,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:29:45,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:29:45,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:29:45,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:29:45,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:29:45,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:29:45,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:29:45,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:29:45,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:29:45,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:29:45,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:29:45,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:29:45,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:29:45,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:29:45,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:29:45,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:29:45,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:29:45,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:29:45,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:29:45,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:29:45,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:29:45,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:29:45,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:29:45,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:29:45,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:29:45,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:29:45,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:29:45,155 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:29:45,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:29:45,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:29:45,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:29:45,161 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:29:45,162 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:29:45,162 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:29:45,162 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:29:45,163 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:29:45,163 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:29:45,164 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:29:45,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:29:45,165 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:29:45,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:29:45,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:29:45,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:29:45,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:29:45,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:29:45,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:29:45,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:29:45,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:29:45,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:29:45,169 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:29:45,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:29:45,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:29:45,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:29:45,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:29:45,170 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:29:45,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:29:45,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:29:45,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:29:45,172 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:29:45,173 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:29:45,173 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_9d3782f3-3103-4527-8a7d-2c01490c174c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13018d05e5180308d22b24564c440286d54746ad [2020-11-29 19:29:45,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:29:45,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:29:45,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:29:45,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:29:45,557 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:29:45,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-11-29 19:29:45,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/data/406d920a3/dabefcd7c3df4611a7a8e0ec9b08f3ff/FLAG3792f248d [2020-11-29 19:29:46,479 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:29:46,480 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-11-29 19:29:46,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/data/406d920a3/dabefcd7c3df4611a7a8e0ec9b08f3ff/FLAG3792f248d [2020-11-29 19:29:46,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/data/406d920a3/dabefcd7c3df4611a7a8e0ec9b08f3ff [2020-11-29 19:29:46,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:29:46,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:29:46,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:29:46,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:29:46,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:29:46,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:29:46" (1/1) ... [2020-11-29 19:29:46,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4b2c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:46, skipping insertion in model container [2020-11-29 19:29:46,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:29:46" (1/1) ... [2020-11-29 19:29:46,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:29:46,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:29:47,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:29:47,254 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:29:47,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:29:47,440 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:29:47,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47 WrapperNode [2020-11-29 19:29:47,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:29:47,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:29:47,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:29:47,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:29:47,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:29:47,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:29:47,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:29:47,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:29:47,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... [2020-11-29 19:29:47,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:29:47,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:29:47,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:29:47,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:29:47,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/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 19:29:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:29:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:29:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:29:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:29:48,953 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:29:48,956 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-11-29 19:29:48,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:29:48 BoogieIcfgContainer [2020-11-29 19:29:48,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:29:48,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:29:48,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:29:48,966 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:29:48,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:29:48,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:29:46" (1/3) ... [2020-11-29 19:29:48,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6d9458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:29:48, skipping insertion in model container [2020-11-29 19:29:48,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:29:48,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:29:47" (2/3) ... [2020-11-29 19:29:48,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6d9458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:29:48, skipping insertion in model container [2020-11-29 19:29:48,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:29:48,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:29:48" (3/3) ... [2020-11-29 19:29:48,973 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-11-29 19:29:49,037 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:29:49,037 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:29:49,037 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:29:49,038 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:29:49,038 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:29:49,038 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:29:49,038 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:29:49,038 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:29:49,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states. [2020-11-29 19:29:49,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2020-11-29 19:29:49,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:29:49,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:29:49,107 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:29:49,107 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:29:49,108 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:29:49,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states. [2020-11-29 19:29:49,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2020-11-29 19:29:49,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:29:49,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:29:49,125 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:29:49,126 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:29:49,141 INFO L794 eck$LassoCheckResult]: Stem: 33#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; 38#L260true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 39#L132true assume 0 != main_~tmp~0; 54#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; 26#L450-1true [2020-11-29 19:29:49,142 INFO L796 eck$LassoCheckResult]: Loop: 26#L450-1true assume !false; 4#L387true assume test_~splverifierCounter~0 < 4; 20#L388true test_~tmp~1 := test_#t~nondet36;havoc test_#t~nondet36; 44#L396true assume !(0 != test_~tmp~1); 46#L396-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 27#L406true assume !(0 != test_~tmp___0~0); 30#L406-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 7#L416true assume 0 != test_~tmp___2~0; 40#L422-2true assume !(0 != ~pumpRunning~0); 48#L276true assume 0 != ~systemActive~0; 42#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; 23#L450true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 26#L450-1true [2020-11-29 19:29:49,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:29:49,150 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 19:29:49,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:29:49,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038033065] [2020-11-29 19:29:49,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:29:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:29:49,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:29:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:29:49,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:29:49,756 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:29:49,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:29:49,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573529, now seen corresponding path program 1 times [2020-11-29 19:29:49,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:29:49,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873872320] [2020-11-29 19:29:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:29:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:29:49,777 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:29:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:29:49,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:29:49,808 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:29:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:29:49,818 INFO L82 PathProgramCache]: Analyzing trace with hash 31705409, now seen corresponding path program 1 times [2020-11-29 19:29:49,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:29:49,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231870858] [2020-11-29 19:29:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:29:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:29:49,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:29:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:29:50,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:29:50,081 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:31:17,948 WARN L193 SmtUtils]: Spent 1.46 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 19:32:08,782 WARN L193 SmtUtils]: Spent 50.82 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 19:32:09,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:32:09 BoogieIcfgContainer [2020-11-29 19:32:09,011 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:32:09,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:32:09,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:32:09,012 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:32:09,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:29:48" (3/4) ... [2020-11-29 19:32:09,017 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:32:09,143 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9d3782f3-3103-4527-8a7d-2c01490c174c/bin/uautomizer/witness.graphml [2020-11-29 19:32:09,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:32:09,145 INFO L168 Benchmark]: Toolchain (without parser) took 142427.84 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 69.5 MB in the beginning and 106.1 MB in the end (delta: -36.6 MB). Peak memory consumption was 72.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,146 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 44.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:32:09,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.41 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 66.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.93 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 63.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,149 INFO L168 Benchmark]: Boogie Preprocessor took 99.57 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 61.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,150 INFO L168 Benchmark]: RCFGBuilder took 1272.75 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.9 MB in the beginning and 94.1 MB in the end (delta: -32.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,150 INFO L168 Benchmark]: BuchiAutomizer took 140050.06 ms. Allocated memory is still 134.2 MB. Free memory was 93.5 MB in the beginning and 32.6 MB in the end (delta: 60.8 MB). Peak memory consumption was 70.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,151 INFO L168 Benchmark]: Witness Printer took 131.67 ms. Allocated memory is still 134.2 MB. Free memory was 32.6 MB in the beginning and 106.1 MB in the end (delta: -73.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:32:09,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 44.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.41 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 66.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.93 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 63.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.57 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 61.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1272.75 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.9 MB in the beginning and 94.1 MB in the end (delta: -32.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 140050.06 ms. Allocated memory is still 134.2 MB. Free memory was 93.5 MB in the beginning and 32.6 MB in the end (delta: 60.8 MB). Peak memory consumption was 70.7 MB. Max. memory is 16.1 GB. * Witness Printer took 131.67 ms. Allocated memory is still 134.2 MB. Free memory was 32.6 MB in the beginning and 106.1 MB in the end (delta: -73.4 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 139.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 139.8s. 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=3848} State at position 1 is {NULL=3870, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=3848, NULL=3849, NULL=0, NULL=0, NULL=3863, NULL=3854, NULL=3875, NULL=3877, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a663d9c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ecf6202=0, NULL=0, NULL=0, NULL=3867, tmp___1=0, NULL=3852, NULL=3868, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=3869, NULL=3860, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8efe0cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ca4f4b1=76, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fa7f270=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77905855=0, NULL=3871, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=3859, tmp___0=0, NULL=3862, NULL=3853, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=3879, NULL=3856, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a3829bc=0, tmp=0, NULL=3865, NULL=0, retValue_acc=1, NULL=3850, NULL=0, NULL=0, NULL=0, NULL=0, NULL=3876, tmp___2=76, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=3855, NULL=3872, NULL=3874, NULL=3851, head=0, NULL=3878, NULL=0, NULL=0, NULL=0, NULL=3864, NULL=3873, NULL=3861} - 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! Received shutdown request...