./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51_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_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/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 82fb1dfaeb04705f6833d1531288fda63f898d4b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:32:17,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:32:17,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:32:17,168 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:32:17,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:32:17,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:32:17,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:32:17,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:32:17,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:32:17,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:32:17,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:32:17,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:32:17,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:32:17,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:32:17,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:32:17,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:32:17,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:32:17,180 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:32:17,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:32:17,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:32:17,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:32:17,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:32:17,187 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:32:17,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:32:17,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:32:17,189 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:32:17,189 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:32:17,190 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:32:17,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:32:17,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:32:17,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:32:17,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:32:17,193 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:32:17,193 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:32:17,194 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:32:17,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:32:17,195 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:32:17,208 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:32:17,208 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:32:17,209 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:32:17,209 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:32:17,209 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:32:17,210 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:32:17,210 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:32:17,210 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:32:17,210 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:32:17,210 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:32:17,210 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:32:17,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:32:17,211 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:32:17,211 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:32:17,211 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:32:17,211 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:32:17,211 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:32:17,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:32:17,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:32:17,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:32:17,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:32:17,213 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:32:17,214 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:32:17,214 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:32:17,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:32:17,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:32:17,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:32:17,214 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:32:17,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:32:17,215 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:32:17,215 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:32:17,216 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:32:17,216 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_f5624f5c-89db-4ef6-a450-173ce5530e1e/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 -> 82fb1dfaeb04705f6833d1531288fda63f898d4b [2018-11-18 13:32:17,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:32:17,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:32:17,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:32:17,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:32:17,255 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:32:17,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c [2018-11-18 13:32:17,295 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/data/5ca4a91ab/901787726bd144969b8e0f928b9a32b5/FLAG867a3b97f [2018-11-18 13:32:17,645 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:32:17,645 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c [2018-11-18 13:32:17,652 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/data/5ca4a91ab/901787726bd144969b8e0f928b9a32b5/FLAG867a3b97f [2018-11-18 13:32:17,663 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/data/5ca4a91ab/901787726bd144969b8e0f928b9a32b5 [2018-11-18 13:32:17,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:32:17,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:32:17,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:32:17,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:32:17,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:32:17,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:32:17" (1/1) ... [2018-11-18 13:32:17,675 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 01:32:17, skipping insertion in model container [2018-11-18 13:32:17,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:32:17" (1/1) ... [2018-11-18 13:32:17,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:32:17,717 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:32:17,964 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:32:17,983 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:32:18,127 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:32:18,158 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:32:18,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18 WrapperNode [2018-11-18 13:32:18,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:32:18,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:32:18,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:32:18,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:32:18,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:32:18,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:32:18,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:32:18,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:32:18,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... [2018-11-18 13:32:18,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:32:18,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:32:18,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:32:18,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:32:18,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/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 13:32:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:32:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:32:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:32:19,053 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:32:19,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:32:19 BoogieIcfgContainer [2018-11-18 13:32:19,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:32:19,054 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:32:19,055 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:32:19,058 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:32:19,058 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:32:19,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:32:17" (1/3) ... [2018-11-18 13:32:19,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb99d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:32:19, skipping insertion in model container [2018-11-18 13:32:19,061 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:32:19,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:18" (2/3) ... [2018-11-18 13:32:19,062 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb99d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:32:19, skipping insertion in model container [2018-11-18 13:32:19,062 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:32:19,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:32:19" (3/3) ... [2018-11-18 13:32:19,063 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product51_true-unreach-call_false-termination.cil.c [2018-11-18 13:32:19,108 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:32:19,108 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:32:19,109 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:32:19,109 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:32:19,109 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:32:19,109 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:32:19,109 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:32:19,109 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:32:19,109 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:32:19,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 13:32:19,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 13:32:19,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:32:19,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:32:19,155 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:32:19,155 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 13:32:19,155 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:32:19,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 13:32:19,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 13:32:19,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:32:19,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:32:19,161 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:32:19,161 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 13:32:19,166 INFO L794 eck$LassoCheckResult]: Stem: 122#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(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 86#L303true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 12#L296true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 109#L311true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 79#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 38#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L541-3true [2018-11-18 13:32:19,167 INFO L796 eck$LassoCheckResult]: Loop: 33#L541-3true assume true; 26#L541-1true assume !false; 121#L542true assume test_~splverifierCounter~0 < 4; 69#L543true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 76#L551true assume !(0 != test_~tmp~6); 83#L551-2true test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 140#L561true assume !(0 != test_~tmp___0~3); 145#L561-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 48#L571true assume 0 != test_~tmp___2~0; 15#L577-2true assume { :begin_inline_timeShift } true; 47#L326true assume !(0 != ~pumpRunning~0); 34#L326-2true assume !(0 != ~systemActive~0); 112#L333-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 115#L253true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 51#L155true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 50#L155-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 7#L343true assume { :end_inline_timeShift } true; 33#L541-3true [2018-11-18 13:32:19,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:19,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:32:19,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:19,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:19,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:19,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:19,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:19,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:19,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1255946861, now seen corresponding path program 1 times [2018-11-18 13:32:19,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:19,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:19,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:19,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:19,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:19,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:19,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2107338831, now seen corresponding path program 1 times [2018-11-18 13:32:19,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:19,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:19,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:19,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:19,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:32:19,530 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 13:32:19,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:32:19,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:32:19,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:32:19,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:32:19,650 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 6 states. [2018-11-18 13:32:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:32:20,019 INFO L93 Difference]: Finished difference Result 389 states and 509 transitions. [2018-11-18 13:32:20,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:32:20,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 389 states and 509 transitions. [2018-11-18 13:32:20,027 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 253 [2018-11-18 13:32:20,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 389 states to 359 states and 479 transitions. [2018-11-18 13:32:20,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 359 [2018-11-18 13:32:20,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 359 [2018-11-18 13:32:20,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 359 states and 479 transitions. [2018-11-18 13:32:20,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:32:20,040 INFO L705 BuchiCegarLoop]: Abstraction has 359 states and 479 transitions. [2018-11-18 13:32:20,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states and 479 transitions. [2018-11-18 13:32:20,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 209. [2018-11-18 13:32:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-18 13:32:20,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 278 transitions. [2018-11-18 13:32:20,077 INFO L728 BuchiCegarLoop]: Abstraction has 209 states and 278 transitions. [2018-11-18 13:32:20,077 INFO L608 BuchiCegarLoop]: Abstraction has 209 states and 278 transitions. [2018-11-18 13:32:20,077 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:32:20,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 278 transitions. [2018-11-18 13:32:20,079 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-11-18 13:32:20,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:32:20,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:32:20,080 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:32:20,080 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 13:32:20,080 INFO L794 eck$LassoCheckResult]: Stem: 709#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(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 603#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 604#L303 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 595#L296 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 596#L311 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 685#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 639#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 585#L541-3 [2018-11-18 13:32:20,081 INFO L796 eck$LassoCheckResult]: Loop: 585#L541-3 assume true; 623#L541-1 assume !false; 624#L542 assume test_~splverifierCounter~0 < 4; 674#L543 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 675#L551 assume !(0 != test_~tmp~6); 682#L551-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 688#L561 assume !(0 != test_~tmp___0~3); 630#L561-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 651#L571 assume 0 != test_~tmp___2~0; 587#L577-2 assume { :begin_inline_timeShift } true; 600#L326 assume !(0 != ~pumpRunning~0); 632#L326-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 633#L384 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 643#L358-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 687#L350-3 assume { :end_inline_processEnvironment__wrappee__base } true; 684#L358-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 648#L384-1 assume { :end_inline_processEnvironment } true; 649#L333-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 703#L253 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 654#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 653#L155-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 584#L343 assume { :end_inline_timeShift } true; 585#L541-3 [2018-11-18 13:32:20,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:32:20,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:20,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1698064768, now seen corresponding path program 1 times [2018-11-18 13:32:20,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,134 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:32:20,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:32:20,169 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 13:32:20,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:32:20,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:32:20,169 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:32:20,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:32:20,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:32:20,170 INFO L87 Difference]: Start difference. First operand 209 states and 278 transitions. cyclomatic complexity: 72 Second operand 3 states. [2018-11-18 13:32:20,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:32:20,258 INFO L93 Difference]: Finished difference Result 261 states and 331 transitions. [2018-11-18 13:32:20,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:32:20,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 331 transitions. [2018-11-18 13:32:20,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2018-11-18 13:32:20,264 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 261 states and 331 transitions. [2018-11-18 13:32:20,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2018-11-18 13:32:20,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2018-11-18 13:32:20,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 331 transitions. [2018-11-18 13:32:20,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:32:20,266 INFO L705 BuchiCegarLoop]: Abstraction has 261 states and 331 transitions. [2018-11-18 13:32:20,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 331 transitions. [2018-11-18 13:32:20,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-11-18 13:32:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-18 13:32:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 331 transitions. [2018-11-18 13:32:20,276 INFO L728 BuchiCegarLoop]: Abstraction has 261 states and 331 transitions. [2018-11-18 13:32:20,276 INFO L608 BuchiCegarLoop]: Abstraction has 261 states and 331 transitions. [2018-11-18 13:32:20,276 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:32:20,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 331 transitions. [2018-11-18 13:32:20,277 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2018-11-18 13:32:20,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:32:20,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:32:20,278 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:32:20,278 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 13:32:20,279 INFO L794 eck$LassoCheckResult]: Stem: 1195#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(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1079#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1080#L303 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1071#L296 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1072#L311 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1163#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1112#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1061#L541-3 [2018-11-18 13:32:20,279 INFO L796 eck$LassoCheckResult]: Loop: 1061#L541-3 assume true; 1097#L541-1 assume !false; 1098#L542 assume test_~splverifierCounter~0 < 4; 1194#L543 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 1310#L551 assume !(0 != test_~tmp~6); 1308#L551-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 1306#L561 assume !(0 != test_~tmp___0~3); 1304#L561-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 1124#L571 assume 0 != test_~tmp___2~0; 1063#L577-2 assume { :begin_inline_timeShift } true; 1078#L326 assume !(0 != ~pumpRunning~0); 1106#L326-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1107#L384 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 1116#L358-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 1167#L261-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 1213#L266-1 isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; 1058#L486-3 assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; 1059#L486-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1068#L492-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 1094#L362-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 1096#L350-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1161#L358-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1122#L384-1 assume { :end_inline_processEnvironment } true; 1123#L333-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 1300#L253 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1298#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 1296#L155-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1060#L343 assume { :end_inline_timeShift } true; 1061#L541-3 [2018-11-18 13:32:20,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:32:20,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:20,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1695527050, now seen corresponding path program 1 times [2018-11-18 13:32:20,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,337 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:32:20,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:32:20,420 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 13:32:20,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:32:20,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:32:20,420 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:32:20,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:32:20,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:32:20,421 INFO L87 Difference]: Start difference. First operand 261 states and 331 transitions. cyclomatic complexity: 73 Second operand 5 states. [2018-11-18 13:32:20,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:32:20,506 INFO L93 Difference]: Finished difference Result 861 states and 1081 transitions. [2018-11-18 13:32:20,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:32:20,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 861 states and 1081 transitions. [2018-11-18 13:32:20,511 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 648 [2018-11-18 13:32:20,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 861 states to 861 states and 1081 transitions. [2018-11-18 13:32:20,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 861 [2018-11-18 13:32:20,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 861 [2018-11-18 13:32:20,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 861 states and 1081 transitions. [2018-11-18 13:32:20,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:32:20,518 INFO L705 BuchiCegarLoop]: Abstraction has 861 states and 1081 transitions. [2018-11-18 13:32:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states and 1081 transitions. [2018-11-18 13:32:20,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 279. [2018-11-18 13:32:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-18 13:32:20,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 349 transitions. [2018-11-18 13:32:20,534 INFO L728 BuchiCegarLoop]: Abstraction has 279 states and 349 transitions. [2018-11-18 13:32:20,534 INFO L608 BuchiCegarLoop]: Abstraction has 279 states and 349 transitions. [2018-11-18 13:32:20,534 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 13:32:20,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 349 transitions. [2018-11-18 13:32:20,536 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2018-11-18 13:32:20,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:32:20,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:32:20,537 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:32:20,537 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 13:32:20,538 INFO L794 eck$LassoCheckResult]: Stem: 2344#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(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 2218#L303 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2206#L296 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 2207#L311 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 2304#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 2247#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2197#L541-3 [2018-11-18 13:32:20,538 INFO L796 eck$LassoCheckResult]: Loop: 2197#L541-3 assume true; 2232#L541-1 assume !false; 2233#L542 assume test_~splverifierCounter~0 < 4; 2442#L543 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 2297#L551 assume !(0 != test_~tmp~6); 2299#L551-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 2305#L561 assume !(0 != test_~tmp___0~3); 2240#L561-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 2362#L571 assume 0 != test_~tmp___2~0; 2449#L577-2 assume { :begin_inline_timeShift } true; 2257#L326 assume !(0 != ~pumpRunning~0); 2241#L326-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 2242#L384 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 2250#L358-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 2310#L261-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 2363#L266-1 isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; 2193#L486-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 2195#L486-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 2203#L492-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 2382#L362-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 2300#L350-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2301#L358-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2255#L384-1 assume { :end_inline_processEnvironment } true; 2256#L333-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 2330#L253 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 2261#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 2263#L155-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 2196#L343 assume { :end_inline_timeShift } true; 2197#L541-3 [2018-11-18 13:32:20,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 13:32:20,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:20,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692488, now seen corresponding path program 1 times [2018-11-18 13:32:20,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,574 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:32:20,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:20,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1090292860, now seen corresponding path program 1 times [2018-11-18 13:32:20,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:32:20,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:32:20,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:20,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:33:03,468 WARN L180 SmtUtils]: Spent 42.71 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:33:31,620 WARN L180 SmtUtils]: Spent 28.15 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:33:31,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:33:31 BoogieIcfgContainer [2018-11-18 13:33:31,690 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:33:31,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:33:31,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:33:31,691 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:33:31,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:32:19" (3/4) ... [2018-11-18 13:33:31,694 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:33:31,737 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f5624f5c-89db-4ef6-a450-173ce5530e1e/bin-2019/uautomizer/witness.graphml [2018-11-18 13:33:31,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:33:31,738 INFO L168 Benchmark]: Toolchain (without parser) took 74071.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 280.0 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -241.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:31,739 INFO L168 Benchmark]: CDTParser took 0.18 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 13:33:31,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:31,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.30 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:31,740 INFO L168 Benchmark]: Boogie Preprocessor took 32.70 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:31,740 INFO L168 Benchmark]: RCFGBuilder took 796.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:31,740 INFO L168 Benchmark]: BuchiAutomizer took 72635.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.9 MB). Peak memory consumption was 298.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:31,740 INFO L168 Benchmark]: Witness Printer took 46.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:33:31,742 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 490.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.30 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.70 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 796.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 72635.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.9 MB). Peak memory consumption was 298.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. 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 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 72.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 71.8s. Construction of modules took 0.4s. 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, 732 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 279 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 737 SDtfs, 1661 SDslu, 1762 SDs, 0 SdLazy, 163 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 541]: 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, "OK"=29, retValue_acc=0, "__utac__get_this_argtype"=39, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, methaneLevelCritical=0, "CRIT"=31, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, tmp=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "__utac__get_this_argtype"=11, "libacc.c"=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69a76193=0, "Env(Water:%i"=0, "CRIT"=0, ",Meth:"=0, "On"=26, tmp___0=0, "Off"=20, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a14c6a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@385266b3=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34da282a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cc54d8b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d61415c=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=34, \result=1, "\n"=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@256b1de5=0, "libacc.c"=16, ")"=0, ")"=28, \result=0, "OK"=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=12, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=33, \result=1, "Pump(System:"=27, head=0, pumpRunning=0, tmp=1, "i > 0 && i <= this->argsCount"=17, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0f1a49=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=0, "Pump(System:"=0, \result=1, retValue_acc=1, "libacc.c"=35, "libacc.c"=14, "Off"=24, tmp=1, "__utac__get_this_argtype"=0, tmp=1, tmp___0=0, tmp___2=157, ") "=19, "On"=22, splverifierCounter=0, "__utac__get_this_arg"=0, ",Meth:"=8, "libacc.c"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79c8f829=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37e03263=0, "__utac__get_this_arg"=15, tmp=0, head=0, "On"=0, "Off"=0, ",Pump:"=23, ",Pump:"=0, "On"=0, "\n"=18, "Off"=0, "__utac__get_this_arg"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 541]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L230] FCALL "Env(Water:%i" [L231] FCALL ",Meth:" [L235] FCALL "CRIT" [L239] FCALL "OK" [L243] FCALL ")" [L446] FCALL "Pump(System:" [L450] FCALL "On" [L454] FCALL "Off" [L458] FCALL ",Pump:" [L462] FCALL "On" [L466] FCALL "Off" [L470] FCALL ") " [L472] FCALL "\n" [L904] FCALL "i > 0 && i <= this->argsCount" [L904] FCALL "libacc.c" [L905] FCALL "__utac__get_this_arg" [L911] FCALL "i > 0 && i <= this->argsCount" [L911] FCALL "libacc.c" [L912] FCALL "__utac__get_this_arg" [L950] FCALL "i > 0 && i <= this->argsCount" [L950] FCALL "libacc.c" [L951] FCALL "__utac__get_this_argtype" [L957] FCALL "i > 0 && i <= this->argsCount" [L957] FCALL "libacc.c" [L958] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L178] int waterLevel = 1; [L179] int methaneLevelCritical = 0; [L319] int pumpRunning = 0; [L320] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L307] int retValue_acc ; [L310] retValue_acc = 1 [L311] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L586] CALL timeShift() [L326] COND FALSE !(\read(pumpRunning)) [L333] COND TRUE \read(systemActive) [L335] CALL processEnvironment() [L381] int tmp ; [L384] COND FALSE !(\read(pumpRunning)) [L399] CALL processEnvironment__wrappee__highWaterSensor() [L355] int tmp ; [L358] COND TRUE ! pumpRunning [L360] CALL, EXPR isHighWaterLevel() [L478] int retValue_acc ; [L479] int tmp ; [L480] int tmp___0 ; [L484] CALL, EXPR isHighWaterSensorDry() [L258] int retValue_acc ; [L261] COND TRUE waterLevel < 2 [L262] retValue_acc = 1 [L263] RET return (retValue_acc); [L484] EXPR isHighWaterSensorDry() [L484] tmp = isHighWaterSensorDry() [L486] COND TRUE \read(tmp) [L487] tmp___0 = 0 [L491] retValue_acc = tmp___0 [L492] RET return (retValue_acc); [L360] EXPR isHighWaterLevel() [L360] tmp = isHighWaterLevel() [L362] COND FALSE !(\read(tmp)) [L368] RET, FCALL processEnvironment__wrappee__base() [L399] RET processEnvironment__wrappee__highWaterSensor() [L335] processEnvironment() [L341] CALL __utac_acc__Specification4_spec__1() [L148] int tmp ; [L149] int tmp___0 ; [L153] CALL, EXPR getWaterLevel() [L249] int retValue_acc ; [L252] retValue_acc = waterLevel [L253] RET return (retValue_acc); [L153] EXPR getWaterLevel() [L153] tmp = getWaterLevel() [L155] COND FALSE, RET !(tmp == 0) [L341] RET __utac_acc__Specification4_spec__1() [L586] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...