./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/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 81d3a03e2badb1d355e733e1f917b69305964186 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:10:59,166 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:10:59,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:10:59,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:10:59,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:10:59,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:10:59,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:10:59,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:10:59,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:10:59,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:10:59,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:10:59,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:10:59,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:10:59,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:10:59,182 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:10:59,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:10:59,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:10:59,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:10:59,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:10:59,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:10:59,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:10:59,190 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:10:59,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:10:59,191 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:10:59,192 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:10:59,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:10:59,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:10:59,194 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:10:59,194 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:10:59,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:10:59,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:10:59,195 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:10:59,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:10:59,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:10:59,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:10:59,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:10:59,197 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:10:59,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:10:59,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:10:59,206 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:10:59,206 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:10:59,206 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:10:59,206 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:10:59,206 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:10:59,206 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:10:59,206 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:10:59,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:10:59,207 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:10:59,208 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:10:59,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:10:59,209 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:10:59,209 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:10:59,209 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:10:59,209 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:10:59,209 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:10:59,210 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:10:59,210 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_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-11-18 12:10:59,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:10:59,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:10:59,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:10:59,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:10:59,243 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:10:59,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-18 12:10:59,278 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/data/4fce48160/58be94c313b74e6e8e64d785867adb7c/FLAG64d9372f7 [2018-11-18 12:10:59,700 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:10:59,700 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-18 12:10:59,707 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/data/4fce48160/58be94c313b74e6e8e64d785867adb7c/FLAG64d9372f7 [2018-11-18 12:10:59,718 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/data/4fce48160/58be94c313b74e6e8e64d785867adb7c [2018-11-18 12:10:59,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:10:59,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:10:59,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:10:59,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:10:59,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:10:59,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:10:59" (1/1) ... [2018-11-18 12:10:59,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:59, skipping insertion in model container [2018-11-18 12:10:59,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:10:59" (1/1) ... [2018-11-18 12:10:59,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:10:59,761 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:10:59,953 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:10:59,962 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:11:00,062 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:11:00,083 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:11:00,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00 WrapperNode [2018-11-18 12:11:00,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:11:00,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:11:00,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:11:00,085 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:11:00,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:11:00,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:11:00,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:11:00,125 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:11:00,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... [2018-11-18 12:11:00,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:11:00,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:11:00,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:11:00,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:11:00,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:11:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:11:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:11:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:11:00,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:11:00,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:11:00 BoogieIcfgContainer [2018-11-18 12:11:00,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:11:00,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:11:00,770 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:11:00,772 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:11:00,772 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:11:00,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:10:59" (1/3) ... [2018-11-18 12:11:00,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ed8a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:11:00, skipping insertion in model container [2018-11-18 12:11:00,773 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:11:00,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:00" (2/3) ... [2018-11-18 12:11:00,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ed8a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:11:00, skipping insertion in model container [2018-11-18 12:11:00,774 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:11:00,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:11:00" (3/3) ... [2018-11-18 12:11:00,775 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-18 12:11:00,808 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:11:00,809 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:11:00,809 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:11:00,809 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:11:00,809 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:11:00,809 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:11:00,809 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:11:00,809 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:11:00,810 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:11:00,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 170 states. [2018-11-18 12:11:00,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 12:11:00,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:11:00,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:11:00,851 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:00,851 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:00,851 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:11:00,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 170 states. [2018-11-18 12:11:00,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 12:11:00,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:11:00,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:11:00,858 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:00,858 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:00,861 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 53#L480true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 132#L473true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 60#L488true main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 137#L941true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 24#L918true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 155#L261-3true [2018-11-18 12:11:00,862 INFO L796 eck$LassoCheckResult]: Loop: 155#L261-3true assume true; 159#L261-1true assume !false; 69#L262true assume test_~splverifierCounter~0 < 4; 3#L263true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 17#L271true assume !(0 != test_~tmp~4); 43#L271-2true test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 116#L281true assume !(0 != test_~tmp___0~2); 108#L281-2true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 171#L291true assume 0 != test_~tmp___2~0; 119#L297-2true assume { :begin_inline_timeShift } true; 89#L58true assume !(0 != ~pumpRunning~0); 112#L58-2true assume !(0 != ~systemActive~0); 11#L65-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 27#L395true __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 153#L327true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 120#L333-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 84#L75true assume { :end_inline_timeShift } true; 155#L261-3true [2018-11-18 12:11:00,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:00,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:11:00,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:00,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:00,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:00,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:00,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,028 INFO L82 PathProgramCache]: Analyzing trace with hash -450061211, now seen corresponding path program 1 times [2018-11-18 12:11:01,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:01,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1381742815, now seen corresponding path program 1 times [2018-11-18 12:11:01,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:01,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:01,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:11:01,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:11:01,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:11:01,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:11:01,259 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 6 states. [2018-11-18 12:11:01,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:01,372 INFO L93 Difference]: Finished difference Result 167 states and 219 transitions. [2018-11-18 12:11:01,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:11:01,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 219 transitions. [2018-11-18 12:11:01,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 12:11:01,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 157 states and 209 transitions. [2018-11-18 12:11:01,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2018-11-18 12:11:01,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2018-11-18 12:11:01,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 209 transitions. [2018-11-18 12:11:01,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:11:01,386 INFO L705 BuchiCegarLoop]: Abstraction has 157 states and 209 transitions. [2018-11-18 12:11:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 209 transitions. [2018-11-18 12:11:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-18 12:11:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 12:11:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2018-11-18 12:11:01,416 INFO L728 BuchiCegarLoop]: Abstraction has 157 states and 209 transitions. [2018-11-18 12:11:01,417 INFO L608 BuchiCegarLoop]: Abstraction has 157 states and 209 transitions. [2018-11-18 12:11:01,417 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:11:01,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 209 transitions. [2018-11-18 12:11:01,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 12:11:01,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:11:01,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:11:01,420 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:01,420 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:01,420 INFO L794 eck$LassoCheckResult]: Stem: 504#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 360#L480 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 432#L473 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 441#L488 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 442#L941 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 399#L918 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 400#L261-3 [2018-11-18 12:11:01,420 INFO L796 eck$LassoCheckResult]: Loop: 400#L261-3 assume true; 510#L261-1 assume !false; 452#L262 assume test_~splverifierCounter~0 < 4; 355#L263 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 356#L271 assume !(0 != test_~tmp~4); 386#L271-2 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 421#L281 assume !(0 != test_~tmp___0~2); 490#L281-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 491#L291 assume 0 != test_~tmp___2~0; 501#L297-2 assume { :begin_inline_timeShift } true; 473#L58 assume !(0 != ~pumpRunning~0); 472#L58-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 460#L116 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 461#L90-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 505#L82-3 assume { :end_inline_processEnvironment__wrappee__base } true; 379#L90-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 417#L116-1 assume { :end_inline_processEnvironment } true; 370#L65-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 371#L395 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 404#L327 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 420#L333-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 468#L75 assume { :end_inline_timeShift } true; 400#L261-3 [2018-11-18 12:11:01,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:11:01,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:01,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1123054073, now seen corresponding path program 1 times [2018-11-18 12:11:01,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,470 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:11:01,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:01,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:11:01,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:11:01,495 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:11:01,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:11:01,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:11:01,495 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 12:11:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:01,604 INFO L93 Difference]: Finished difference Result 220 states and 282 transitions. [2018-11-18 12:11:01,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:11:01,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 282 transitions. [2018-11-18 12:11:01,607 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 154 [2018-11-18 12:11:01,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 282 transitions. [2018-11-18 12:11:01,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2018-11-18 12:11:01,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2018-11-18 12:11:01,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 282 transitions. [2018-11-18 12:11:01,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:11:01,611 INFO L705 BuchiCegarLoop]: Abstraction has 220 states and 282 transitions. [2018-11-18 12:11:01,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 282 transitions. [2018-11-18 12:11:01,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-11-18 12:11:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-18 12:11:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 282 transitions. [2018-11-18 12:11:01,619 INFO L728 BuchiCegarLoop]: Abstraction has 220 states and 282 transitions. [2018-11-18 12:11:01,619 INFO L608 BuchiCegarLoop]: Abstraction has 220 states and 282 transitions. [2018-11-18 12:11:01,619 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:11:01,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 220 states and 282 transitions. [2018-11-18 12:11:01,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 154 [2018-11-18 12:11:01,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:11:01,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:11:01,622 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:01,622 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:01,622 INFO L794 eck$LassoCheckResult]: Stem: 894#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 742#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 743#L480 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 814#L473 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 823#L488 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 824#L941 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 782#L918 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 783#L261-3 [2018-11-18 12:11:01,622 INFO L796 eck$LassoCheckResult]: Loop: 783#L261-3 assume true; 904#L261-1 assume !false; 835#L262 assume test_~splverifierCounter~0 < 4; 836#L263 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 955#L271 assume !(0 != test_~tmp~4); 953#L271-2 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 952#L281 assume !(0 != test_~tmp___0~2); 951#L281-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 949#L291 assume 0 != test_~tmp___2~0; 888#L297-2 assume { :begin_inline_timeShift } true; 858#L58 assume !(0 != ~pumpRunning~0); 859#L58-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 844#L116 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 845#L90-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 875#L435-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 876#L440-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 854#L218-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 850#L218-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 819#L224-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 820#L94-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 834#L82-2 assume { :end_inline_processEnvironment__wrappee__base } true; 895#L90-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 800#L116-1 assume { :end_inline_processEnvironment } true; 947#L65-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 946#L395 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 942#L327 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 889#L333-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 853#L75 assume { :end_inline_timeShift } true; 783#L261-3 [2018-11-18 12:11:01,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 12:11:01,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:01,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,667 INFO L82 PathProgramCache]: Analyzing trace with hash -515313313, now seen corresponding path program 1 times [2018-11-18 12:11:01,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,668 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:11:01,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:01,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:01,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1766295261, now seen corresponding path program 1 times [2018-11-18 12:11:01,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:01,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:01,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:01,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:01,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:11:01,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:11:01,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:11:01,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:11:01,921 INFO L87 Difference]: Start difference. First operand 220 states and 282 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-18 12:11:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:01,999 INFO L93 Difference]: Finished difference Result 790 states and 1011 transitions. [2018-11-18 12:11:01,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:11:02,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 790 states and 1011 transitions. [2018-11-18 12:11:02,004 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 589 [2018-11-18 12:11:02,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 790 states to 790 states and 1011 transitions. [2018-11-18 12:11:02,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 790 [2018-11-18 12:11:02,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 790 [2018-11-18 12:11:02,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 790 states and 1011 transitions. [2018-11-18 12:11:02,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:11:02,012 INFO L705 BuchiCegarLoop]: Abstraction has 790 states and 1011 transitions. [2018-11-18 12:11:02,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states and 1011 transitions. [2018-11-18 12:11:02,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 433. [2018-11-18 12:11:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-11-18 12:11:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 549 transitions. [2018-11-18 12:11:02,031 INFO L728 BuchiCegarLoop]: Abstraction has 433 states and 549 transitions. [2018-11-18 12:11:02,031 INFO L608 BuchiCegarLoop]: Abstraction has 433 states and 549 transitions. [2018-11-18 12:11:02,031 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 12:11:02,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states and 549 transitions. [2018-11-18 12:11:02,033 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 308 [2018-11-18 12:11:02,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:11:02,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:11:02,034 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:02,034 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:02,035 INFO L794 eck$LassoCheckResult]: Stem: 1935#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1770#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 1771#L480 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1846#L473 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 1855#L488 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 1856#L941 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 1810#L918 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1811#L261-3 [2018-11-18 12:11:02,035 INFO L796 eck$LassoCheckResult]: Loop: 1811#L261-3 assume true; 2140#L261-1 assume !false; 2139#L262 assume test_~splverifierCounter~0 < 4; 1766#L263 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 1767#L271 assume !(0 != test_~tmp~4); 1797#L271-2 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 1836#L281 assume !(0 != test_~tmp___0~2); 1916#L281-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1917#L291 assume 0 != test_~tmp___2~0; 1928#L297-2 assume { :begin_inline_timeShift } true; 1894#L58 assume !(0 != ~pumpRunning~0); 1895#L58-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1878#L116 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1879#L90-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1913#L435-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1914#L440-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 1888#L218-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1884#L218-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1851#L224-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1852#L94-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1866#L82-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2144#L90-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1875#L116-1 assume { :end_inline_processEnvironment } true; 1783#L65-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 1784#L395 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 1946#L327 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1902#L427 __utac_acc__Specification3_spec__1_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 1903#L333 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 2145#L333-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1887#L75 assume { :end_inline_timeShift } true; 1811#L261-3 [2018-11-18 12:11:02,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:02,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 12:11:02,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:02,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:02,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:02,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:02,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:02,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1293601230, now seen corresponding path program 1 times [2018-11-18 12:11:02,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:02,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:02,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,068 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:11:02,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:02,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:02,076 INFO L82 PathProgramCache]: Analyzing trace with hash -896410378, now seen corresponding path program 1 times [2018-11-18 12:11:02,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:02,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:02,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:02,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:11:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:12:30,491 WARN L180 SmtUtils]: Spent 1.47 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:13:15,430 WARN L180 SmtUtils]: Spent 44.94 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:13:15,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:13:15 BoogieIcfgContainer [2018-11-18 12:13:15,501 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:13:15,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:13:15,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:13:15,502 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:13:15,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:11:00" (3/4) ... [2018-11-18 12:13:15,506 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:13:15,554 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b121d5d-a3ff-48a1-9b3f-78ae3888aa30/bin-2019/uautomizer/witness.graphml [2018-11-18 12:13:15,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:13:15,555 INFO L168 Benchmark]: Toolchain (without parser) took 135833.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -228.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:13:15,555 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:13:15,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:13:15,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:13:15,556 INFO L168 Benchmark]: Boogie Preprocessor took 26.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:13:15,556 INFO L168 Benchmark]: RCFGBuilder took 617.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:13:15,556 INFO L168 Benchmark]: BuchiAutomizer took 134731.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -117.2 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:13:15,557 INFO L168 Benchmark]: Witness Printer took 52.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:13:15,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 617.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 134731.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -117.2 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 433 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 134.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 134.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 357 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 433 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 737 SDtfs, 1592 SDslu, 1168 SDs, 0 SdLazy, 83 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 261]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "__utac__get_this_arg"=0, ",Pump:"=23, "__utac__get_this_argtype"=39, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, methaneLevelCritical=0, "Off"=24, ")"=27, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "CRIT"=28, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=11, "libacc.c"=0, tmp___1=0, "Env(Water:%i"=31, "Pump(System:"=0, "Off"=0, "On"=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a3bc54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21b7f6c0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d4e7fa9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46ee633b=0, cleanupTimeShifts=4, ",Meth:"=29, tmp=0, "Off"=20, tmp___0=1, "Env(Water:%i"=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=34, \result=1, "Off"=0, "libacc.c"=26, "On"=0, "On"=22, \result=0, ",Pump:"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=38, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=15, \result=1, retValue_acc=0, "\n"=19, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@607dfef9=0, "i > 0 && i <= this->argsCount"=12, \result=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=36, "libacc.c"=0, ") "=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e057b92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e2a2086=167, "\n"=0, "OK"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79f5f2bf=0, \result=1, "libacc.c"=35, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a1b9dac=0, "libacc.c"=17, "__utac__get_this_argtype"=0, tmp=1, tmp___2=167, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7204b8fe=0, retValue_acc=1, splverifierCounter=0, "__utac__get_this_arg"=0, \result=0, "On"=8, "libacc.c"=40, "__utac__get_this_arg"=33, tmp=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f1a25d=0, head=0, tmp=1, ")"=0, ") "=18, ",Meth:"=0, "__utac__get_this_arg"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 261]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L178] FCALL "Pump(System:" [L182] FCALL "On" [L186] FCALL "Off" [L190] FCALL ",Pump:" [L194] FCALL "On" [L198] FCALL "Off" [L202] FCALL ") " [L204] FCALL "\n" [L404] FCALL "Env(Water:%i" [L405] FCALL ",Meth:" [L409] FCALL "CRIT" [L413] FCALL "OK" [L417] FCALL ")" [L790] FCALL "i > 0 && i <= this->argsCount" [L790] FCALL "libacc.c" [L791] FCALL "__utac__get_this_arg" [L797] FCALL "i > 0 && i <= this->argsCount" [L797] FCALL "libacc.c" [L798] FCALL "__utac__get_this_arg" [L836] FCALL "i > 0 && i <= this->argsCount" [L836] FCALL "libacc.c" [L837] FCALL "__utac__get_this_argtype" [L843] FCALL "i > 0 && i <= this->argsCount" [L843] FCALL "libacc.c" [L844] FCALL "__utac__get_this_argtype" [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L352] int waterLevel = 1; [L353] int methaneLevelCritical = 0; [L859] int cleanupTimeShifts = 4; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int retValue_acc ; [L933] int tmp ; [L937] FCALL select_helpers() [L938] FCALL select_features() [L939] CALL, EXPR valid_product() [L484] int retValue_acc ; [L487] retValue_acc = 1 [L488] RET return (retValue_acc); [L939] EXPR valid_product() [L939] tmp = valid_product() [L941] COND TRUE \read(tmp) [L943] FCALL setup() [L944] CALL runTest() [L926] CALL test() [L252] int splverifierCounter ; [L253] int tmp ; [L254] int tmp___0 ; [L255] int tmp___1 ; [L256] int tmp___2 ; [L259] splverifierCounter = 0 Loop: [L261] COND TRUE 1 [L263] COND TRUE splverifierCounter < 4 [L269] tmp = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp)) [L279] tmp___0 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___0)) [L289] tmp___2 = __VERIFIER_nondet_int() [L291] COND TRUE \read(tmp___2) [L304] CALL timeShift() [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L67] CALL processEnvironment() [L113] int tmp ; [L116] COND FALSE !(\read(pumpRunning)) [L131] CALL processEnvironment__wrappee__highWaterSensor() [L87] int tmp ; [L90] COND TRUE ! pumpRunning [L92] CALL, EXPR isHighWaterLevel() [L210] int retValue_acc ; [L211] int tmp ; [L212] int tmp___0 ; [L216] CALL, EXPR isHighWaterSensorDry() [L432] int retValue_acc ; [L435] COND TRUE waterLevel < 2 [L436] retValue_acc = 1 [L437] RET return (retValue_acc); [L216] EXPR isHighWaterSensorDry() [L216] tmp = isHighWaterSensorDry() [L218] COND TRUE \read(tmp) [L219] tmp___0 = 0 [L223] retValue_acc = tmp___0 [L224] RET return (retValue_acc); [L92] EXPR isHighWaterLevel() [L92] tmp = isHighWaterLevel() [L94] COND FALSE !(\read(tmp)) [L100] RET, FCALL processEnvironment__wrappee__base() [L131] RET processEnvironment__wrappee__highWaterSensor() [L67] processEnvironment() [L73] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L325] CALL, EXPR isMethaneLevelCritical() [L391] int retValue_acc ; [L394] retValue_acc = methaneLevelCritical [L395] RET return (retValue_acc); [L325] EXPR isMethaneLevelCritical() [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L423] int retValue_acc ; [L426] retValue_acc = waterLevel [L427] RET return (retValue_acc); [L331] EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND FALSE, RET !(tmp___0 == 2) [L73] RET __utac_acc__Specification3_spec__1() [L304] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...