./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/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 82f74870a567ad4799d16040af8f13b048c16754 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 08:49:01,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:49:01,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:49:01,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:49:01,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:49:01,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:49:01,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:49:01,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:49:01,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:49:01,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:49:01,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:49:01,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:49:01,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:49:01,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:49:01,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:49:01,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:49:01,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:49:01,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:49:01,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:49:01,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:49:01,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:49:01,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:49:01,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:49:01,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:49:01,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:49:01,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:49:01,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:49:01,878 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:49:01,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:49:01,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:49:01,880 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:49:01,880 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:49:01,880 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:49:01,880 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:49:01,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:49:01,881 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:49:01,881 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:49:01,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:49:01,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:49:01,892 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:49:01,892 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:49:01,893 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:49:01,893 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:49:01,893 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:49:01,893 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:49:01,893 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:49:01,893 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:49:01,894 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:49:01,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:49:01,894 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:49:01,894 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:49:01,894 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:49:01,894 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:49:01,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:49:01,895 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:49:01,896 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:49:01,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:49:01,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:49:01,896 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:49:01,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:49:01,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:49:01,897 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:49:01,897 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:49:01,898 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2018-11-18 08:49:01,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:49:01,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:49:01,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:49:01,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:49:01,938 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:49:01,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-11-18 08:49:01,989 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/data/fa8f5cde6/ddf5630b42f7435bb134274f52c3bce1/FLAG800f256c7 [2018-11-18 08:49:02,361 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:49:02,362 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-11-18 08:49:02,371 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/data/fa8f5cde6/ddf5630b42f7435bb134274f52c3bce1/FLAG800f256c7 [2018-11-18 08:49:02,754 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/data/fa8f5cde6/ddf5630b42f7435bb134274f52c3bce1 [2018-11-18 08:49:02,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:49:02,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:49:02,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:49:02,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:49:02,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:49:02,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:02" (1/1) ... [2018-11-18 08:49:02,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce11a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:02, skipping insertion in model container [2018-11-18 08:49:02,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:02" (1/1) ... [2018-11-18 08:49:02,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:49:02,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:49:03,029 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:49:03,038 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:49:03,145 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:49:03,164 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:49:03,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03 WrapperNode [2018-11-18 08:49:03,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:49:03,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:49:03,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:49:03,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:49:03,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:49:03,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:49:03,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:49:03,204 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:49:03,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... [2018-11-18 08:49:03,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:49:03,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:49:03,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:49:03,234 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:49:03,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/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 [2018-11-18 08:49:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:49:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:49:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:49:03,908 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:49:03,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:03 BoogieIcfgContainer [2018-11-18 08:49:03,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:49:03,908 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:49:03,909 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:49:03,911 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:49:03,912 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:49:03,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:49:02" (1/3) ... [2018-11-18 08:49:03,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@620db508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:03, skipping insertion in model container [2018-11-18 08:49:03,913 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:49:03,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:03" (2/3) ... [2018-11-18 08:49:03,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@620db508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:03, skipping insertion in model container [2018-11-18 08:49:03,913 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:49:03,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:03" (3/3) ... [2018-11-18 08:49:03,915 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-11-18 08:49:03,953 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:49:03,954 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:49:03,954 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:49:03,954 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:49:03,954 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:49:03,954 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:49:03,954 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:49:03,954 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:49:03,954 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:49:03,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states. [2018-11-18 08:49:03,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2018-11-18 08:49:03,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:03,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:04,000 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:04,000 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:04,000 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:49:04,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states. [2018-11-18 08:49:04,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2018-11-18 08:49:04,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:04,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:04,005 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:04,006 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:04,009 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 48#L161true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L154true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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#L169true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 139#L517true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 34#L494true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 59#L378-3true [2018-11-18 08:49:04,010 INFO L796 eck$LassoCheckResult]: Loop: 59#L378-3true assume true; 55#L378-1true assume !false; 152#L379true assume test_~splverifierCounter~0 < 4; 107#L380true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 112#L388true assume !(0 != test_~tmp~3); 116#L388-2true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 3#L398true assume !(0 != test_~tmp___0~1); 9#L398-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 79#L408true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 133#L363true assume { :end_inline_startSystem } true; 81#L416-2true assume { :begin_inline_timeShift } true; 60#L188true assume !(0 != ~pumpRunning~0); 56#L188-2true assume !(0 != ~systemActive~0); 138#L195-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 57#L122true __utac_acc__Specification4_spec__1_#t~ret36 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; 84#L548true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 87#L548-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 52#L205true assume { :end_inline_timeShift } true; 59#L378-3true [2018-11-18 08:49:04,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:04,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:49:04,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:04,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:04,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:04,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:04,190 INFO L82 PathProgramCache]: Analyzing trace with hash -717315661, now seen corresponding path program 1 times [2018-11-18 08:49:04,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:04,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:04,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:04,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:49:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:49:04,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:49:04,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:49:04,237 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:49:04,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:49:04,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:49:04,249 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2018-11-18 08:49:04,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:49:04,280 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2018-11-18 08:49:04,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:49:04,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 191 transitions. [2018-11-18 08:49:04,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2018-11-18 08:49:04,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 140 states and 180 transitions. [2018-11-18 08:49:04,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2018-11-18 08:49:04,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2018-11-18 08:49:04,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 180 transitions. [2018-11-18 08:49:04,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:49:04,291 INFO L705 BuchiCegarLoop]: Abstraction has 140 states and 180 transitions. [2018-11-18 08:49:04,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 180 transitions. [2018-11-18 08:49:04,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 08:49:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 08:49:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2018-11-18 08:49:04,321 INFO L728 BuchiCegarLoop]: Abstraction has 140 states and 180 transitions. [2018-11-18 08:49:04,321 INFO L608 BuchiCegarLoop]: Abstraction has 140 states and 180 transitions. [2018-11-18 08:49:04,321 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:49:04,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 180 transitions. [2018-11-18 08:49:04,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2018-11-18 08:49:04,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:04,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:04,324 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:04,324 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:04,325 INFO L794 eck$LassoCheckResult]: Stem: 446#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 340#L161 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 385#L154 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 377#L169 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 378#L517 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 363#L494 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 364#L378-3 [2018-11-18 08:49:04,325 INFO L796 eck$LassoCheckResult]: Loop: 364#L378-3 assume true; 393#L378-1 assume !false; 394#L379 assume test_~splverifierCounter~0 < 4; 440#L380 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 441#L388 assume !(0 != test_~tmp~3); 342#L388-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 314#L398 assume !(0 != test_~tmp___0~1); 316#L398-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 326#L408 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 423#L363 assume { :end_inline_startSystem } true; 427#L416-2 assume { :begin_inline_timeShift } true; 401#L188 assume !(0 != ~pumpRunning~0); 395#L188-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 396#L246 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 412#L220-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 430#L212-3 assume { :end_inline_processEnvironment__wrappee__base } true; 431#L220-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 406#L246-1 assume { :end_inline_processEnvironment } true; 407#L195-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 397#L122 __utac_acc__Specification4_spec__1_#t~ret36 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; 398#L548 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 351#L548-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 390#L205 assume { :end_inline_timeShift } true; 364#L378-3 [2018-11-18 08:49:04,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:04,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:49:04,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:04,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:04,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1924883406, now seen corresponding path program 1 times [2018-11-18 08:49:04,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:04,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:04,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,379 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:49:04,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:04,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1662498322, now seen corresponding path program 1 times [2018-11-18 08:49:04,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:04,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:04,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:04,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:45,621 WARN L180 SmtUtils]: Spent 41.09 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:50:00,086 WARN L180 SmtUtils]: Spent 14.46 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:50:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:50:00 BoogieIcfgContainer [2018-11-18 08:50:00,157 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:50:00,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:50:00,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:50:00,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:50:00,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:03" (3/4) ... [2018-11-18 08:50:00,161 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:50:00,205 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_34d9d7fd-6988-4350-b360-5f8a9b83f822/bin-2019/uautomizer/witness.graphml [2018-11-18 08:50:00,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:50:00,206 INFO L168 Benchmark]: Toolchain (without parser) took 57447.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,206 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:50:00,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,207 INFO L168 Benchmark]: Boogie Preprocessor took 29.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,208 INFO L168 Benchmark]: RCFGBuilder took 674.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,208 INFO L168 Benchmark]: BuchiAutomizer took 56249.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.9 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,208 INFO L168 Benchmark]: Witness Printer took 47.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:00,210 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 674.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56249.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.9 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 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 140 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 56.0s. 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 140 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 188 SDtfs, 186 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: 378]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {"Pump(System:"=23, NULL=0, "Env(Water:%i"=11, "OK"=12, "__utac__get_this_arg"=0, "libacc.c"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6258f674=0, tmp=0, "i > 0 && i <= this->argsCount"=27, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d224202=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@395f6be7=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, "\n"=28, "On"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5412f8a6=0, cleanupTimeShifts=4, "Off"=31, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79f597e6=0, "On"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1416865=169, "Off"=0, "On"=0, ",Pump:"=0, ") "=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=37, \result=1, "__utac__get_this_arg"=26, "libacc.c"=35, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, "libacc.c"=17, \result=0, ",Pump:"=20, tmp=1, "Off"=0, "libacc.c"=36, "__utac__get_this_argtype"=0, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74be2133=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@152ccd8=0, retValue_acc=1, "__utac__get_this_argtype"=39, "__utac__get_this_arg"=24, tmp=1, "CRIT"=15, tmp___2=169, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=14, "__utac__get_this_argtype"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9d20538=0, "i > 0 && i <= this->argsCount"=34, tmp=0, head=0, "Off"=19, ") "=29, ",Meth:"=16, "i > 0 && i <= this->argsCount"=18} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 378]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L308] FCALL "Pump(System:" [L312] FCALL "On" [L316] FCALL "Off" [L320] FCALL ",Pump:" [L324] FCALL "On" [L328] FCALL "Off" [L332] FCALL ") " [L334] FCALL "\n" [L863] FCALL "i > 0 && i <= this->argsCount" [L863] FCALL "libacc.c" [L864] FCALL "__utac__get_this_arg" [L870] FCALL "i > 0 && i <= this->argsCount" [L870] FCALL "libacc.c" [L871] FCALL "__utac__get_this_arg" [L909] FCALL "i > 0 && i <= this->argsCount" [L909] FCALL "libacc.c" [L910] FCALL "__utac__get_this_argtype" [L916] FCALL "i > 0 && i <= this->argsCount" [L916] FCALL "libacc.c" [L917] FCALL "__utac__get_this_argtype" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L180] int pumpRunning = 0; [L181] int systemActive = 1; [L435] int cleanupTimeShifts = 4; [L735] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] RET return (retValue_acc); [L515] EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L502] CALL test() [L369] int splverifierCounter ; [L370] int tmp ; [L371] int tmp___0 ; [L372] int tmp___1 ; [L373] int tmp___2 ; [L376] splverifierCounter = 0 Loop: [L378] COND TRUE 1 [L380] COND TRUE splverifierCounter < 4 [L386] tmp = __VERIFIER_nondet_int() [L388] COND FALSE !(\read(tmp)) [L396] tmp___0 = __VERIFIER_nondet_int() [L398] COND FALSE !(\read(tmp___0)) [L406] tmp___2 = __VERIFIER_nondet_int() [L408] COND TRUE \read(tmp___2) [L410] CALL startSystem() [L362] RET systemActive = 1 [L410] startSystem() [L423] CALL timeShift() [L188] COND FALSE !(\read(pumpRunning)) [L195] COND TRUE \read(systemActive) [L197] CALL processEnvironment() [L243] int tmp ; [L246] COND FALSE !(\read(pumpRunning)) [L261] CALL processEnvironment__wrappee__lowWaterSensor() [L217] int tmp ; [L220] COND FALSE !(\read(pumpRunning)) [L235] RET, FCALL processEnvironment__wrappee__base() [L261] RET processEnvironment__wrappee__lowWaterSensor() [L197] processEnvironment() [L203] CALL __utac_acc__Specification4_spec__1() [L541] int tmp ; [L542] int tmp___0 ; [L546] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] RET return (retValue_acc); [L546] EXPR getWaterLevel() [L546] tmp = getWaterLevel() [L548] COND FALSE, RET !(tmp == 0) [L203] RET __utac_acc__Specification4_spec__1() [L423] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...