./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.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_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 ......................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-30 00:30:35,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:30:35,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:30:35,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:30:35,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:30:35,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:30:35,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:30:35,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:30:35,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:30:35,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:30:35,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:30:35,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:30:35,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:30:35,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:30:35,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:30:35,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:30:35,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:30:35,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:30:35,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:30:35,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:30:35,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:30:35,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:30:35,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:30:35,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:30:35,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:30:35,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:30:35,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:30:35,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:30:35,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:30:35,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:30:35,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:30:35,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:30:35,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:30:35,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:30:35,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:30:35,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:30:35,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:30:35,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:30:35,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:30:35,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:30:35,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:30:35,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:30:35,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:30:35,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:30:35,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:30:35,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:30:35,885 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:30:35,886 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:30:35,886 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:30:35,886 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:30:35,887 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:30:35,887 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:30:35,887 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:30:35,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:30:35,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:30:35,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:30:35,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:30:35,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:30:35,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:30:35,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:30:35,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:30:35,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:30:35,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:30:35,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:30:35,891 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:30:35,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:30:35,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:30:35,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:30:35,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:30:35,893 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:30:35,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:30:35,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:30:35,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:30:35,894 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:30:35,895 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:30:35,895 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_fa7893cf-388b-4f12-8822-c7467f95cedd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-11-30 00:30:36,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:30:36,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:30:36,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:30:36,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:30:36,233 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:30:36,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-11-30 00:30:36,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/data/12175fbf0/aa4d719fe7544cf8a13a311a74795027/FLAG06e7cbdcd [2020-11-30 00:30:37,071 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:30:37,072 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-11-30 00:30:37,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/data/12175fbf0/aa4d719fe7544cf8a13a311a74795027/FLAG06e7cbdcd [2020-11-30 00:30:37,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/data/12175fbf0/aa4d719fe7544cf8a13a311a74795027 [2020-11-30 00:30:37,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:30:37,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:30:37,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:37,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:30:37,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:30:37,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:37" (1/1) ... [2020-11-30 00:30:37,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5c4466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:37, skipping insertion in model container [2020-11-30 00:30:37,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:37" (1/1) ... [2020-11-30 00:30:37,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:30:37,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:30:37,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:37,864 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:30:37,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:38,021 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:30:38,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38 WrapperNode [2020-11-30 00:30:38,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:38,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:38,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:30:38,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:30:38,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:38,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:30:38,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:30:38,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:30:38,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... [2020-11-30 00:30:38,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:30:38,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:30:38,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:30:38,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:30:38,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/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 [2020-11-30 00:30:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:30:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:30:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:30:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:30:39,377 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:30:39,378 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-30 00:30:39,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:39 BoogieIcfgContainer [2020-11-30 00:30:39,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:30:39,382 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:30:39,383 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:30:39,386 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:30:39,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:30:39,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:30:37" (1/3) ... [2020-11-30 00:30:39,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7d28bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:30:39, skipping insertion in model container [2020-11-30 00:30:39,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:30:39,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:38" (2/3) ... [2020-11-30 00:30:39,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7d28bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:30:39, skipping insertion in model container [2020-11-30 00:30:39,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:30:39,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:39" (3/3) ... [2020-11-30 00:30:39,394 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-11-30 00:30:39,468 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:30:39,468 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:30:39,468 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:30:39,469 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:30:39,469 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:30:39,469 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:30:39,469 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:30:39,469 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:30:39,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states. [2020-11-30 00:30:39,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-11-30 00:30:39,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:30:39,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:30:39,539 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:30:39,539 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:39,539 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:30:39,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states. [2020-11-30 00:30:39,556 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-11-30 00:30:39,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:30:39,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:30:39,558 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:30:39,558 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:39,576 INFO L794 eck$LassoCheckResult]: Stem: 21#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 5#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 39#L433true 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; 44#L441true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 4#L533true assume 0 != main_~tmp~3; 23#L509true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L558-1true [2020-11-30 00:30:39,577 INFO L796 eck$LassoCheckResult]: Loop: 49#L558-1true assume !false; 7#L680true assume test_~splverifierCounter~0 < 4; 19#L681true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 40#L689true assume !(0 != test_~tmp~5); 41#L689-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 24#L699true assume !(0 != test_~tmp___0~1); 25#L699-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 15#L709true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 17#L717-2true assume !(0 != ~pumpRunning~0); 63#L745true assume !(0 != ~systemActive~0); 70#L752true havoc __utac_acc__Specification1_spec__1_#t~ret44, __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 55#L631-1true __utac_acc__Specification1_spec__1_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret44;havoc __utac_acc__Specification1_spec__1_#t~ret44; 45#L558true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 49#L558-1true [2020-11-30 00:30:39,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:39,585 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-30 00:30:39,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:39,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138339116] [2020-11-30 00:30:39,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:39,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,171 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,236 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:40,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1680944955, now seen corresponding path program 1 times [2020-11-30 00:30:40,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:40,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719557617] [2020-11-30 00:30:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:40,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719557617] [2020-11-30 00:30:40,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:40,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:40,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898042201] [2020-11-30 00:30:40,343 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:30:40,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:40,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:40,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:40,368 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 3 states. [2020-11-30 00:30:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:40,430 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2020-11-30 00:30:40,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:40,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2020-11-30 00:30:40,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-30 00:30:40,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2020-11-30 00:30:40,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2020-11-30 00:30:40,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2020-11-30 00:30:40,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2020-11-30 00:30:40,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:30:40,448 INFO L691 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-30 00:30:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2020-11-30 00:30:40,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-30 00:30:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-30 00:30:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-11-30 00:30:40,486 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-30 00:30:40,489 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-30 00:30:40,489 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:30:40,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2020-11-30 00:30:40,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-30 00:30:40,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:30:40,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:30:40,497 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:30:40,498 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:40,499 INFO L794 eck$LassoCheckResult]: Stem: 166#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 148#L-1 havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 149#L433 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; 193#L441 main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 146#L533 assume 0 != main_~tmp~3; 147#L509 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 169#L558-1 [2020-11-30 00:30:40,499 INFO L796 eck$LassoCheckResult]: Loop: 169#L558-1 assume !false; 152#L680 assume test_~splverifierCounter~0 < 4; 153#L681 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 165#L689 assume !(0 != test_~tmp~5); 195#L689-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 170#L699 assume !(0 != test_~tmp___0~1); 164#L699-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 158#L709 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 159#L717-2 assume !(0 != ~pumpRunning~0); 161#L745 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 180#L777 assume !(0 != ~pumpRunning~0); 181#L752 havoc __utac_acc__Specification1_spec__1_#t~ret44, __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 202#L631-1 __utac_acc__Specification1_spec__1_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret44;havoc __utac_acc__Specification1_spec__1_#t~ret44; 198#L558 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 169#L558-1 [2020-11-30 00:30:40,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:40,506 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-30 00:30:40,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:40,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334286907] [2020-11-30 00:30:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,731 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:40,738 INFO L82 PathProgramCache]: Analyzing trace with hash -590214403, now seen corresponding path program 1 times [2020-11-30 00:30:40,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:40,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080974021] [2020-11-30 00:30:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,748 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,757 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,762 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:40,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:40,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1012825123, now seen corresponding path program 1 times [2020-11-30 00:30:40,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:40,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011121963] [2020-11-30 00:30:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:40,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:40,922 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:41,067 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-30 00:32:16,521 WARN L193 SmtUtils]: Spent 1.59 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-30 00:33:21,629 WARN L193 SmtUtils]: Spent 1.08 m on a formula simplification that was a NOOP. DAG size: 433 [2020-11-30 00:33:21,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:33:21 BoogieIcfgContainer [2020-11-30 00:33:21,906 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:33:21,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:33:21,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:33:21,911 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:33:21,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:39" (3/4) ... [2020-11-30 00:33:21,915 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 00:33:21,977 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fa7893cf-388b-4f12-8822-c7467f95cedd/bin/uautomizer/witness.graphml [2020-11-30 00:33:21,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:33:21,979 INFO L168 Benchmark]: Toolchain (without parser) took 164585.69 ms. Allocated memory was 102.8 MB in the beginning and 157.3 MB in the end (delta: 54.5 MB). Free memory was 73.6 MB in the beginning and 103.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,980 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 102.8 MB. Free memory is still 61.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:33:21,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.27 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 69.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.02 ms. Allocated memory is still 102.8 MB. Free memory was 69.6 MB in the beginning and 66.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,982 INFO L168 Benchmark]: Boogie Preprocessor took 82.60 ms. Allocated memory is still 102.8 MB. Free memory was 66.7 MB in the beginning and 64.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,982 INFO L168 Benchmark]: RCFGBuilder took 1174.96 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 64.6 MB in the beginning and 77.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,983 INFO L168 Benchmark]: BuchiAutomizer took 162523.78 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 77.0 MB in the beginning and 106.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,984 INFO L168 Benchmark]: Witness Printer took 71.08 ms. Allocated memory is still 157.3 MB. Free memory was 106.3 MB in the beginning and 103.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:21,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 102.8 MB. Free memory is still 61.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.27 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 69.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.02 ms. Allocated memory is still 102.8 MB. Free memory was 69.6 MB in the beginning and 66.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.60 ms. Allocated memory is still 102.8 MB. Free memory was 66.7 MB in the beginning and 64.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1174.96 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 64.6 MB in the beginning and 77.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 162523.78 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 77.0 MB in the beginning and 106.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 16.1 GB. * Witness Printer took 71.08 ms. Allocated memory is still 157.3 MB. Free memory was 106.3 MB in the beginning and 103.2 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 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 162.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 162.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 679]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=27973} State at position 1 is {NULL=0, NULL=0, NULL=27981, NULL=0, NULL=27973, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fa69756=0, NULL=27988, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b5f37bd=0, NULL=27980, NULL=27982, NULL=27994, methaneLevelCritical=0, NULL=27985, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=27984, NULL=0, NULL=0, tmp___0=0, NULL=27987, NULL=28001, NULL=27976, cleanupTimeShifts=4, NULL=27990, NULL=27997, NULL=27977, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=27995, NULL=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25b53b7c=0, NULL=27979, NULL=0, NULL=0, NULL=27998, \result=1, head=0, pumpRunning=0, NULL=27978, \result=0, tmp=1, NULL=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=27992, retValue_acc=1, NULL=27983, NULL=0, NULL=0, NULL=27993, NULL=0, NULL=28000, tmp___2=71, NULL=0, NULL=27991, tmp___0=0, NULL=27999, splverifierCounter=0, NULL=0, \result=0, NULL=27989, NULL=27974, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@930441c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37bd1e00=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a70cc9d=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ed2727=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fcba260=0, head=0, NULL=0, NULL=0, tmp=0, NULL=27996, NULL=0, NULL=0, NULL=27986, NULL=27975} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L588] int waterLevel = 1; [L589] int methaneLevelCritical = 0; [L738] int pumpRunning = 0; [L739] int systemActive = 1; [L524] int retValue_acc ; [L525] int tmp ; [L437] int retValue_acc ; [L440] retValue_acc = 1 [L441] return (retValue_acc); [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L670] int splverifierCounter ; [L671] int tmp ; [L672] int tmp___0 ; [L673] int tmp___1 ; [L674] int tmp___2 ; [L677] splverifierCounter = 0 Loop: [L679] COND TRUE 1 [L681] COND TRUE splverifierCounter < 4 [L687] tmp = __VERIFIER_nondet_int() [L689] COND FALSE !(\read(tmp)) [L697] tmp___0 = __VERIFIER_nondet_int() [L699] COND FALSE !(\read(tmp___0)) [L707] tmp___2 = __VERIFIER_nondet_int() [L709] COND TRUE \read(tmp___2) [L874] systemActive = 1 [L745] COND FALSE !(\read(pumpRunning)) [L752] COND TRUE \read(systemActive) [L774] int tmp ; [L777] COND FALSE !(\read(pumpRunning)) [L551] int tmp ; [L552] int tmp___0 ; [L627] int retValue_acc ; [L630] retValue_acc = methaneLevelCritical [L631] return (retValue_acc); [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...