./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-1dbac8b [2018-11-10 11:21:55,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:21:55,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:21:55,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:21:55,187 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:21:55,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:21:55,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:21:55,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:21:55,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:21:55,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:21:55,193 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:21:55,193 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:21:55,194 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:21:55,194 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:21:55,195 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:21:55,196 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:21:55,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:21:55,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:21:55,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:21:55,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:21:55,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:21:55,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:21:55,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:21:55,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:21:55,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:21:55,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:21:55,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:21:55,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:21:55,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:21:55,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:21:55,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:21:55,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:21:55,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:21:55,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:21:55,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:21:55,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:21:55,211 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 11:21:55,223 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:21:55,223 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:21:55,224 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:21:55,224 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:21:55,224 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:21:55,224 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 11:21:55,225 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 11:21:55,225 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 11:21:55,225 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 11:21:55,225 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 11:21:55,225 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 11:21:55,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 11:21:55,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 11:21:55,227 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 11:21:55,227 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:21:55,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:21:55,227 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 11:21:55,227 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 11:21:55,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:21:55,228 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:21:55,228 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 11:21:55,228 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:21:55,228 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:21:55,228 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 11:21:55,229 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 11:21:55,229 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_37c029bf-6e6f-4714-89aa-8010c10fcdbf/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-11-10 11:21:55,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:21:55,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:21:55,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:21:55,268 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:21:55,269 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:21:55,269 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-10 11:21:55,321 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/data/a51f33ed6/311aff90d99f43d0bc2fc162df79bfb3/FLAG9709a161e [2018-11-10 11:21:55,714 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:21:55,714 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-10 11:21:55,726 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/data/a51f33ed6/311aff90d99f43d0bc2fc162df79bfb3/FLAG9709a161e [2018-11-10 11:21:55,738 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/data/a51f33ed6/311aff90d99f43d0bc2fc162df79bfb3 [2018-11-10 11:21:55,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:21:55,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:21:55,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:21:55,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:21:55,746 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:21:55,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:21:55" (1/1) ... [2018-11-10 11:21:55,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:55, skipping insertion in model container [2018-11-10 11:21:55,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:21:55" (1/1) ... [2018-11-10 11:21:55,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:21:55,792 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:21:56,008 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:21:56,018 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:21:56,084 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:21:56,105 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:21:56,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56 WrapperNode [2018-11-10 11:21:56,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:21:56,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:21:56,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:21:56,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:21:56,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:21:56,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:21:56,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:21:56,213 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:21:56,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... [2018-11-10 11:21:56,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:21:56,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:21:56,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:21:56,250 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:21:56,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/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 [2018-11-10 11:21:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:21:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:21:56,895 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:21:56,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:21:56 BoogieIcfgContainer [2018-11-10 11:21:56,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:21:56,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 11:21:56,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 11:21:56,899 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 11:21:56,900 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 11:21:56,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:21:55" (1/3) ... [2018-11-10 11:21:56,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76911846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:21:56, skipping insertion in model container [2018-11-10 11:21:56,901 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 11:21:56,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:21:56" (2/3) ... [2018-11-10 11:21:56,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76911846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:21:56, skipping insertion in model container [2018-11-10 11:21:56,902 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 11:21:56,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:21:56" (3/3) ... [2018-11-10 11:21:56,904 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-10 11:21:56,960 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:21:56,961 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 11:21:56,961 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 11:21:56,961 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 11:21:56,962 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:21:56,962 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:21:56,962 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 11:21:56,962 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:21:56,962 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 11:21:56,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-10 11:21:57,010 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-10 11:21:57,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:21:57,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:21:57,019 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:21:57,019 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:21:57,019 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 11:21:57,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-10 11:21:57,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-10 11:21:57,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:21:57,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:21:57,026 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:21:57,026 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:21:57,034 INFO L793 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 110];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 79];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 102];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 102];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 44];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 80];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 2 := 117];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 3 := 109];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 4 := 112];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 5 := 58];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 110];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 79];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 102];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 2 := 102];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 41];#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 1 := 32];#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string25.base, #t~string25.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 0 := 10];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 44];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 77];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 2 := 101];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 3 := 116];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 4 := 104];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 5 := 58];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 67];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 82];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 73];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 84];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 79];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 75];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 41];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string56.base, #t~string56.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string58.base, #t~string58.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string64.base, #t~string64.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 57#L204true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4#L197true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 51#L212true main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 102#L159true assume main_~tmp~1 != 0;assume { :begin_inline_setup } true; 80#L132true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L227-3true [2018-11-10 11:21:57,034 INFO L795 eck$LassoCheckResult]: Loop: 14#L227-3true assume true; 16#L227-1true assume !false; 97#L228true assume test_~splverifierCounter~0 < 4; 31#L229true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 62#L237true assume !(test_~tmp~2 != 0); 55#L237-2true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 105#L247true assume !(test_~tmp___0~1 != 0); 103#L247-2true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 29#L257true assume test_~tmp___2~0 != 0; 5#L263-2true assume { :begin_inline_timeShift } true; 34#L295true assume !(~pumpRunning~0 != 0); 32#L295-2true assume !(~systemActive~0 != 0); 106#L302-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 44#L515true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 10#L51true assume !(__utac_acc__Specification4_spec__1_~tmp~0 == 0); 9#L51-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 20#L312true assume { :end_inline_timeShift } true; 14#L227-3true [2018-11-10 11:21:57,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:21:57,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-10 11:21:57,043 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:21:57,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:21:57,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:21:57,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:21:57,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1833244307, now seen corresponding path program 1 times [2018-11-10 11:21:57,258 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:21:57,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:21:57,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:21:57,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:21:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash 901562703, now seen corresponding path program 1 times [2018-11-10 11:21:57,273 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:21:57,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:21:57,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:21:57,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:21:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:21:57,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:21:57,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:21:57,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:21:57,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:21:57,575 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-11-10 11:21:57,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:21:57,735 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2018-11-10 11:21:57,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:21:57,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2018-11-10 11:21:57,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-10 11:21:57,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2018-11-10 11:21:57,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2018-11-10 11:21:57,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2018-11-10 11:21:57,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2018-11-10 11:21:57,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 11:21:57,751 INFO L705 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-10 11:21:57,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2018-11-10 11:21:57,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-10 11:21:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-10 11:21:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2018-11-10 11:21:57,784 INFO L728 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-10 11:21:57,784 INFO L608 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-10 11:21:57,784 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 11:21:57,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2018-11-10 11:21:57,786 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-10 11:21:57,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:21:57,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:21:57,789 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:21:57,789 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] [2018-11-10 11:21:57,789 INFO L793 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 110];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 79];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 102];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 102];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 44];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 80];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 2 := 117];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 3 := 109];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 4 := 112];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 5 := 58];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 110];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 79];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 102];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 2 := 102];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 41];#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 1 := 32];#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string25.base, #t~string25.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 0 := 10];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 44];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 77];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 2 := 101];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 3 := 116];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 4 := 104];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 5 := 58];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 67];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 82];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 73];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 84];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 79];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 75];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 41];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string56.base, #t~string56.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string58.base, #t~string58.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string64.base, #t~string64.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 251#L204 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 230#L197 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 231#L212 main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 249#L159 assume main_~tmp~1 != 0;assume { :begin_inline_setup } true; 289#L132 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 274#L227-3 [2018-11-10 11:21:57,790 INFO L795 eck$LassoCheckResult]: Loop: 274#L227-3 assume true; 275#L227-1 assume !false; 284#L228 assume test_~splverifierCounter~0 < 4; 309#L229 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 264#L237 assume !(test_~tmp~2 != 0); 256#L237-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 257#L247 assume !(test_~tmp___0~1 != 0); 302#L247-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 304#L257 assume test_~tmp___2~0 != 0; 228#L263-2 assume { :begin_inline_timeShift } true; 229#L295 assume !(~pumpRunning~0 != 0); 260#L295-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 305#L327 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 272#L319-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L327-1 assume { :end_inline_processEnvironment } true; 306#L302-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 234#L515 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 235#L51 assume !(__utac_acc__Specification4_spec__1_~tmp~0 == 0); 243#L51-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 244#L312 assume { :end_inline_timeShift } true; 274#L227-3 [2018-11-10 11:21:57,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:21:57,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-10 11:21:57,790 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:21:57,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:21:57,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:21:57,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:21:57,843 INFO L82 PathProgramCache]: Analyzing trace with hash 311146421, now seen corresponding path program 1 times [2018-11-10 11:21:57,843 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:21:57,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:21:57,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,845 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:21:57,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:21:57,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1336851591, now seen corresponding path program 1 times [2018-11-10 11:21:57,854 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:21:57,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:21:57,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:21:57,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:21:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:21:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:22:42,850 WARN L179 SmtUtils]: Spent 44.89 s on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-11-10 11:22:57,575 WARN L179 SmtUtils]: Spent 14.72 s on a formula simplification that was a NOOP. DAG size: 403 [2018-11-10 11:22:57,645 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:22:57,647 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:22:57,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:22:57 BoogieIcfgContainer [2018-11-10 11:22:57,661 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 11:22:57,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:22:57,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:22:57,662 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:22:57,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:21:56" (3/4) ... [2018-11-10 11:22:57,665 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 11:22:57,713 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37c029bf-6e6f-4714-89aa-8010c10fcdbf/bin-2019/uautomizer/witness.graphml [2018-11-10 11:22:57,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:22:57,714 INFO L168 Benchmark]: Toolchain (without parser) took 61973.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.5 MB). Free memory was 958.0 MB in the beginning and 1.2 GB in the end (delta: -256.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:22:57,715 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:22:57,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.41 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:22:57,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -219.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:22:57,716 INFO L168 Benchmark]: Boogie Preprocessor took 35.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:22:57,716 INFO L168 Benchmark]: RCFGBuilder took 646.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:22:57,717 INFO L168 Benchmark]: BuchiAutomizer took 60765.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -163.6 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:22:57,717 INFO L168 Benchmark]: Witness Printer took 51.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:22:57,721 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.41 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -219.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 646.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 60765.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -163.6 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 91 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 60.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 60.3s. Construction of modules took 0.1s. 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 91 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 121 SDtfs, 368 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 227]: Nontermination argument in form of an infinite program execution. [2018-11-10 11:22:57,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:22:57,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:22:57,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 11:22:57,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {"Off"=12, NULL=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=29, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@104af275=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@95573bc=164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2238a46a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d731eb9=0, "__utac__get_this_arg"=0, "Pump(System:"=15, "i > 0 && i <= this->argsCount"=22, "libacc.c"=28, methaneLevelCritical=0, NULL=25, tmp=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=42, "i > 0 && i <= this->argsCount"=0, tmp___1=0, ") "=38, tmp___0=0, "Env(Water:%i"=36, ")"=31, cleanupTimeShifts=4, "OK"=33, "\n"=37, ",Pump:"=8, "\n"=0, ") "=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1298ac94=0, \result=1, "CRIT"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12cb73b=0, "i > 0 && i <= this->argsCount"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@443bdb29=0, "__utac__get_this_arg"=23, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, "__utac__get_this_arg"=27, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e473f93=0, "Off"=17, "On"=0, ")"=0, "__utac__get_this_argtype"=18, tmp=1, "Off"=0, "OK"=0, ",Pump:"=0, "i > 0 && i <= this->argsCount"=19, tmp=1, NULL=0, retValue_acc=1, retValue_acc=1, tmp___2=164, ",Meth:"=35, tmp___0=0, splverifierCounter=0, "libacc.c"=0, "libacc.c"=24, tmp=0, head=0, "Env(Water:%i"=0, "On"=11, "CRIT"=34, "On"=0, NULL=39, "Pump(System:"=0, "On"=14, "libacc.c"=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 227]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L389] CALL "Pump(System:" [L389] RET "Pump(System:" [L393] CALL "On" [L393] RET "On" [L397] CALL "Off" [L397] RET "Off" [L401] CALL ",Pump:" [L401] RET ",Pump:" [L405] CALL "On" [L405] RET "On" [L409] CALL "Off" [L409] RET "Off" [L413] CALL ") " [L413] RET ") " [L415] CALL "\n" [L415] RET "\n" [L492] CALL "Env(Water:%i" [L492] RET "Env(Water:%i" [L493] CALL ",Meth:" [L493] RET ",Meth:" [L497] CALL "CRIT" [L497] RET "CRIT" [L501] CALL "OK" [L501] RET "OK" [L505] CALL ")" [L505] RET ")" [L826] CALL "i > 0 && i <= this->argsCount" [L826] RET "i > 0 && i <= this->argsCount" [L826] CALL "libacc.c" [L826] RET "libacc.c" [L827] CALL "__utac__get_this_arg" [L827] RET "__utac__get_this_arg" [L833] CALL "i > 0 && i <= this->argsCount" [L833] RET "i > 0 && i <= this->argsCount" [L833] CALL "libacc.c" [L833] RET "libacc.c" [L834] CALL "__utac__get_this_arg" [L834] RET "__utac__get_this_arg" [L872] CALL "i > 0 && i <= this->argsCount" [L872] RET "i > 0 && i <= this->argsCount" [L872] CALL "libacc.c" [L872] RET "libacc.c" [L873] CALL "__utac__get_this_argtype" [L873] RET "__utac__get_this_argtype" [L879] CALL "i > 0 && i <= this->argsCount" [L879] RET "i > 0 && i <= this->argsCount" [L879] CALL "libacc.c" [L879] RET "libacc.c" [L880] CALL "__utac__get_this_argtype" [L880] RET "__utac__get_this_argtype" [L69] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L698] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L155] FCALL select_helpers() [L156] FCALL select_features() [L157] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] RET return (retValue_acc); [L157] EXPR valid_product() [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L161] FCALL setup() [L162] CALL runTest() [L141] CALL test() [L218] int splverifierCounter ; [L219] int tmp ; [L220] int tmp___0 ; [L221] int tmp___1 ; [L222] int tmp___2 ; [L225] splverifierCounter = 0 Loop: [L227] COND TRUE 1 [L229] COND TRUE splverifierCounter < 4 [L235] tmp = __VERIFIER_nondet_int() [L237] COND FALSE !(\read(tmp)) [L245] tmp___0 = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp___0)) [L255] tmp___2 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___2) [L270] CALL timeShift() [L295] COND FALSE !(\read(pumpRunning)) [L302] COND TRUE \read(systemActive) [L304] CALL processEnvironment() [L324] int tmp ; [L327] COND FALSE !(\read(pumpRunning)) [L342] RET, FCALL processEnvironment__wrappee__base() [L304] processEnvironment() [L310] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] RET return (retValue_acc); [L49] EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE, RET !(tmp == 0) [L310] RET __utac_acc__Specification4_spec__1() [L270] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...