./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/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 8f42eccc61d1255388ff7ebf96c2e2b48855489d ................................................................................................................................................................................................................................................................................................................................................................................. 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 20:04:12,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:04:12,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:04:12,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:04:12,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:04:12,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:04:12,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:04:12,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:04:12,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:04:12,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:04:12,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:04:12,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:04:12,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:04:12,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:04:12,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:04:12,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:04:12,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:04:12,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:04:12,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:04:12,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:04:12,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:04:12,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:04:12,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:04:12,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:04:12,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:04:12,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:04:12,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:04:12,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:04:12,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:04:12,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:04:12,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:04:12,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:04:12,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:04:12,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:04:12,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:04:12,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:04:12,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:04:12,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:04:12,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:04:12,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:04:12,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:04:12,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:04:12,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:04:12,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:04:12,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:04:12,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:04:12,855 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:04:12,856 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:04:12,856 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:04:12,856 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:04:12,857 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:04:12,857 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:04:12,857 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:04:12,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:04:12,858 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:04:12,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:04:12,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:04:12,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:04:12,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:04:12,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:04:12,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:04:12,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:04:12,860 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:04:12,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:04:12,860 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:04:12,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:04:12,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:04:12,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:04:12,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:04:12,864 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:04:12,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:04:12,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:04:12,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:04:12,865 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:04:12,866 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:04:12,868 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_2636a2e9-8a41-45a8-b27c-abca81fbf289/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f42eccc61d1255388ff7ebf96c2e2b48855489d [2020-11-29 20:04:13,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:04:13,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:04:13,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:04:13,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:04:13,273 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:04:13,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2020-11-29 20:04:13,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/data/7cc2e7bfb/b9bf1d23ed12473e974670354d83a57b/FLAGc3c7f791c [2020-11-29 20:04:14,107 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:04:14,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2020-11-29 20:04:14,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/data/7cc2e7bfb/b9bf1d23ed12473e974670354d83a57b/FLAGc3c7f791c [2020-11-29 20:04:14,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/data/7cc2e7bfb/b9bf1d23ed12473e974670354d83a57b [2020-11-29 20:04:14,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:04:14,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:04:14,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:04:14,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:04:14,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:04:14,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:04:14" (1/1) ... [2020-11-29 20:04:14,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e691b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:14, skipping insertion in model container [2020-11-29 20:04:14,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:04:14" (1/1) ... [2020-11-29 20:04:14,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:04:14,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:04:14,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:04:14,959 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:04:15,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:04:15,130 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:04:15,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15 WrapperNode [2020-11-29 20:04:15,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:04:15,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:04:15,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:04:15,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:04:15,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:04:15,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:04:15,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:04:15,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:04:15,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... [2020-11-29 20:04:15,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:04:15,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:04:15,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:04:15,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:04:15,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/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 20:04:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:04:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:04:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:04:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:04:16,553 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:04:16,554 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-29 20:04:16,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:04:16 BoogieIcfgContainer [2020-11-29 20:04:16,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:04:16,558 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:04:16,558 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:04:16,563 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:04:16,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:04:16,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:04:14" (1/3) ... [2020-11-29 20:04:16,567 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@187a17d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:04:16, skipping insertion in model container [2020-11-29 20:04:16,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:04:16,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:15" (2/3) ... [2020-11-29 20:04:16,568 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@187a17d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:04:16, skipping insertion in model container [2020-11-29 20:04:16,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:04:16,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:04:16" (3/3) ... [2020-11-29 20:04:16,574 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-11-29 20:04:16,651 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:04:16,651 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:04:16,651 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:04:16,652 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:04:16,652 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:04:16,652 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:04:16,652 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:04:16,652 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:04:16,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 20:04:16,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 20:04:16,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:04:16,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:04:16,724 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:04:16,724 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:04:16,724 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:04:16,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 20:04:16,730 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 20:04:16,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:04:16,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:04:16,732 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:04:16,732 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:04:16,738 INFO L794 eck$LassoCheckResult]: Stem: 31#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(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 6#L-1true havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 61#L350true 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; 14#L358true main_#t~ret39 := valid_product_#res;main_~tmp~1 := main_#t~ret39;havoc main_#t~ret39; 45#L447true assume 0 != main_~tmp~1; 52#L422true ~methAndRunningLastTime~0 := 0; 22#L834true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L845-1true [2020-11-29 20:04:16,739 INFO L796 eck$LassoCheckResult]: Loop: 23#L845-1true assume !false; 44#L188true assume test_~splverifierCounter~0 < 4; 59#L189true test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 3#L197true assume !(0 != test_~tmp~0); 17#L197-1true test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 56#L207true assume !(0 != test_~tmp___0~0); 65#L207-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 54#L217true assume 0 != test_~tmp___2~0; 5#L223-1true assume !(0 != ~pumpRunning~0); 19#L59true assume !(0 != ~systemActive~0); 35#L66true havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 9#L288true __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 20#L845true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 23#L845-1true [2020-11-29 20:04:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:16,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-29 20:04:16,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:04:16,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207434449] [2020-11-29 20:04:16,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:04:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:17,051 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:17,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:17,238 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:04:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:17,247 INFO L82 PathProgramCache]: Analyzing trace with hash 10387605, now seen corresponding path program 1 times [2020-11-29 20:04:17,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:04:17,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808677] [2020-11-29 20:04:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:04:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:17,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:17,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:17,294 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:04:17,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:17,306 INFO L82 PathProgramCache]: Analyzing trace with hash 843684111, now seen corresponding path program 1 times [2020-11-29 20:04:17,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:04:17,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524648738] [2020-11-29 20:04:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:04:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:04:17,620 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 20:04:17,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524648738] [2020-11-29 20:04:17,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:04:17,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:04:17,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709742513] [2020-11-29 20:04:17,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:04:17,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:04:17,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:04:17,839 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2020-11-29 20:04:18,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:04:18,356 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2020-11-29 20:04:18,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 20:04:18,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 229 transitions. [2020-11-29 20:04:18,369 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 103 [2020-11-29 20:04:18,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 145 states and 208 transitions. [2020-11-29 20:04:18,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2020-11-29 20:04:18,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2020-11-29 20:04:18,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 208 transitions. [2020-11-29 20:04:18,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:04:18,424 INFO L691 BuchiCegarLoop]: Abstraction has 145 states and 208 transitions. [2020-11-29 20:04:18,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 208 transitions. [2020-11-29 20:04:18,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2020-11-29 20:04:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-29 20:04:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2020-11-29 20:04:18,481 INFO L714 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2020-11-29 20:04:18,484 INFO L594 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2020-11-29 20:04:18,484 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:04:18,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 139 transitions. [2020-11-29 20:04:18,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 68 [2020-11-29 20:04:18,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:04:18,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:04:18,499 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:04:18,499 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:04:18,499 INFO L794 eck$LassoCheckResult]: Stem: 283#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 253#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 254#L350 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; 263#L358 main_#t~ret39 := valid_product_#res;main_~tmp~1 := main_#t~ret39;havoc main_#t~ret39; 264#L447 assume 0 != main_~tmp~1; 296#L422 ~methAndRunningLastTime~0 := 0; 274#L834 havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 271#L845-1 [2020-11-29 20:04:18,500 INFO L796 eck$LassoCheckResult]: Loop: 271#L845-1 assume !false; 275#L188 assume test_~splverifierCounter~0 < 4; 294#L189 test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 247#L197 assume !(0 != test_~tmp~0); 249#L197-1 test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 265#L207 assume !(0 != test_~tmp___0~0); 279#L207-1 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 299#L217 assume 0 != test_~tmp___2~0; 250#L223-1 assume !(0 != ~pumpRunning~0); 252#L59 assume 0 != ~systemActive~0; 269#L66 havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 260#L288 __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 261#L845 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 271#L845-1 [2020-11-29 20:04:18,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:18,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-29 20:04:18,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:04:18,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659151752] [2020-11-29 20:04:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:04:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:18,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:18,682 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:18,725 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:04:18,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:18,726 INFO L82 PathProgramCache]: Analyzing trace with hash 10298232, now seen corresponding path program 1 times [2020-11-29 20:04:18,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:04:18,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254226611] [2020-11-29 20:04:18,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:04:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:18,736 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:18,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:18,748 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:04:18,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:18,749 INFO L82 PathProgramCache]: Analyzing trace with hash 843594738, now seen corresponding path program 1 times [2020-11-29 20:04:18,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:04:18,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324878911] [2020-11-29 20:04:18,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:04:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:18,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:04:18,932 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:04:18,971 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:06:07,530 WARN L193 SmtUtils]: Spent 1.81 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-29 20:07:26,276 WARN L193 SmtUtils]: Spent 1.31 m on a formula simplification that was a NOOP. DAG size: 435 [2020-11-29 20:07:26,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:07:26 BoogieIcfgContainer [2020-11-29 20:07:26,588 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:07:26,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:07:26,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:07:26,590 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:07:26,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:04:16" (3/4) ... [2020-11-29 20:07:26,593 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 20:07:26,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2636a2e9-8a41-45a8-b27c-abca81fbf289/bin/uautomizer/witness.graphml [2020-11-29 20:07:26,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:07:26,661 INFO L168 Benchmark]: Toolchain (without parser) took 192299.95 ms. Allocated memory was 81.8 MB in the beginning and 138.4 MB in the end (delta: 56.6 MB). Free memory was 50.4 MB in the beginning and 100.4 MB in the end (delta: -50.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,662 INFO L168 Benchmark]: CDTParser took 1.38 ms. Allocated memory is still 81.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:07:26,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.40 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 50.3 MB in the beginning and 79.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.46 ms. Allocated memory is still 113.2 MB. Free memory was 79.6 MB in the beginning and 76.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,664 INFO L168 Benchmark]: Boogie Preprocessor took 60.40 ms. Allocated memory is still 113.2 MB. Free memory was 76.8 MB in the beginning and 75.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,665 INFO L168 Benchmark]: RCFGBuilder took 1249.11 ms. Allocated memory is still 113.2 MB. Free memory was 75.1 MB in the beginning and 61.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,666 INFO L168 Benchmark]: BuchiAutomizer took 190030.31 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 61.6 MB in the beginning and 103.6 MB in the end (delta: -41.9 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,667 INFO L168 Benchmark]: Witness Printer took 70.42 ms. Allocated memory is still 138.4 MB. Free memory was 103.6 MB in the beginning and 100.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:07:26,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 ms. Allocated memory is still 81.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 770.40 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 50.3 MB in the beginning and 79.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.46 ms. Allocated memory is still 113.2 MB. Free memory was 79.6 MB in the beginning and 76.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.40 ms. Allocated memory is still 113.2 MB. Free memory was 76.8 MB in the beginning and 75.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1249.11 ms. Allocated memory is still 113.2 MB. Free memory was 75.1 MB in the beginning and 61.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 190030.31 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 61.6 MB in the beginning and 103.6 MB in the end (delta: -41.9 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.1 GB. * Witness Printer took 70.42 ms. Allocated memory is still 138.4 MB. Free memory was 103.6 MB in the beginning and 100.4 MB in the end (delta: 3.1 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 6 locations. The remainder module has 97 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 189.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 189.1s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 97 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 290 SDslu, 392 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 187]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=29331} State at position 1 is {NULL=29344, NULL=0, NULL=0, NULL=0, NULL=29331, NULL=29338, retValue_acc=0, NULL=0, NULL=0, NULL=29350, NULL=29351, NULL=29339, methaneLevelCritical=0, NULL=29346, NULL=0, NULL=0, NULL=29354, NULL=29348, NULL=0, tmp___1=0, NULL=29336, NULL=29335, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49358cba=0, cleanupTimeShifts=4, tmp=0, NULL=29345, NULL=29359, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=29352, NULL=29347, retValue_acc=0, tmp___0=0, NULL=29355, NULL=0, NULL=29332, \result=1, head=0, pumpRunning=0, \result=0, NULL=29334, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b7ef74e=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@486ebd22=66, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56270c07=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2740d538=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68b400cf=0, NULL=29353, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f5c6751=0, retValue_acc=1, NULL=29333, NULL=29356, NULL=0, NULL=0, NULL=29342, tmp___2=66, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=29340, NULL=29343, NULL=29357, NULL=29349, head=0, NULL=29337, NULL=0, NULL=0, NULL=0, NULL=0, NULL=29358, NULL=29341, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L245] int waterLevel = 1; [L246] int methaneLevelCritical = 0; [L363] int cleanupTimeShifts = 4; [L630] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L828] int methAndRunningLastTime ; [L438] int retValue_acc ; [L439] int tmp ; [L354] int retValue_acc ; [L357] retValue_acc = 1 [L358] return (retValue_acc); [L445] tmp = valid_product() [L447] COND TRUE \read(tmp) [L833] methAndRunningLastTime = 0 [L178] int splverifierCounter ; [L179] int tmp ; [L180] int tmp___0 ; [L181] int tmp___1 ; [L182] int tmp___2 ; [L185] splverifierCounter = 0 Loop: [L187] COND TRUE 1 [L189] COND TRUE splverifierCounter < 4 [L195] tmp = __VERIFIER_nondet_int() [L197] COND FALSE !(\read(tmp)) [L205] tmp___0 = __VERIFIER_nondet_int() [L207] COND FALSE !(\read(tmp___0)) [L215] tmp___2 = __VERIFIER_nondet_int() [L217] COND TRUE \read(tmp___2) [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L838] int tmp ; [L839] int tmp___0 ; [L284] int retValue_acc ; [L287] retValue_acc = methaneLevelCritical [L288] return (retValue_acc); [L843] tmp = isMethaneLevelCritical() [L845] COND FALSE !(\read(tmp)) [L861] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...