./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_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_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:18:19,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:18:19,236 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:18:19,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:18:19,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:18:19,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:18:19,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:18:19,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:18:19,247 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:18:19,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:18:19,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:18:19,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:18:19,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:18:19,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:18:19,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:18:19,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:18:19,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:18:19,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:18:19,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:18:19,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:18:19,256 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:18:19,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:18:19,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:18:19,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:18:19,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:18:19,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:18:19,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:18:19,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:18:19,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:18:19,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:18:19,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:18:19,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:18:19,264 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:18:19,264 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:18:19,265 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:18:19,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:18:19,266 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:18:19,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:18:19,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:18:19,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:18:19,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:18:19,277 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:18:19,277 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:18:19,277 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:18:19,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:18:19,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:18:19,279 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:18:19,280 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:18:19,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:18:19,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:18:19,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:18:19,280 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:18:19,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:18:19,280 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:18:19,280 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:18:19,281 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:18:19,281 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_88b0b873-7ba1-4450-a7b8-4a4dfe091567/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2018-11-18 09:18:19,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:18:19,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:18:19,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:18:19,313 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:18:19,314 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:18:19,314 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-18 09:18:19,348 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/data/20b7a3c10/a712b0ca9925430490056262dde7001c/FLAGe90593e52 [2018-11-18 09:18:19,670 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:18:19,670 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-18 09:18:19,676 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/data/20b7a3c10/a712b0ca9925430490056262dde7001c/FLAGe90593e52 [2018-11-18 09:18:19,685 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/data/20b7a3c10/a712b0ca9925430490056262dde7001c [2018-11-18 09:18:19,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:18:19,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:18:19,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:18:19,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:18:19,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:18:19,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:18:19" (1/1) ... [2018-11-18 09:18:19,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f746e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:19, skipping insertion in model container [2018-11-18 09:18:19,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:18:19" (1/1) ... [2018-11-18 09:18:19,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:18:19,732 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:18:19,923 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:18:19,932 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:18:20,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:18:20,057 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:18:20,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20 WrapperNode [2018-11-18 09:18:20,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:18:20,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:18:20,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:18:20,058 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:18:20,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:18:20,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:18:20,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:18:20,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:18:20,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... [2018-11-18 09:18:20,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:18:20,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:18:20,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:18:20,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:18:20,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/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 09:18:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:18:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:18:20,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:18:20,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:18:20,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:18:20 BoogieIcfgContainer [2018-11-18 09:18:20,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:18:20,815 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:18:20,815 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:18:20,818 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:18:20,819 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:18:20,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:18:19" (1/3) ... [2018-11-18 09:18:20,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17ebfa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:18:20, skipping insertion in model container [2018-11-18 09:18:20,820 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:18:20,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:20" (2/3) ... [2018-11-18 09:18:20,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17ebfa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:18:20, skipping insertion in model container [2018-11-18 09:18:20,822 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:18:20,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:18:20" (3/3) ... [2018-11-18 09:18:20,824 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-18 09:18:20,872 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:18:20,872 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:18:20,873 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:18:20,873 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:18:20,873 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:18:20,873 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:18:20,873 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:18:20,873 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:18:20,873 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:18:20,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 09:18:20,913 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 09:18:20,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:18:20,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:18:20,919 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:20,919 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:20,919 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:18:20,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 09:18:20,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 09:18:20,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:18:20,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:18:20,924 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:20,924 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:20,928 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 18#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 76#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 11#L73true main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 161#L167true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 71#L141true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 92#L190true assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 31#L549-3true [2018-11-18 09:18:20,928 INFO L796 eck$LassoCheckResult]: Loop: 31#L549-3true assume true; 25#L549-1true assume !false; 151#L550true assume test_~splverifierCounter~0 < 4; 69#L551true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 109#L559true assume !(0 != test_~tmp~6); 81#L559-2true test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 156#L569true assume !(0 != test_~tmp___0~3); 160#L569-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 49#L579true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; 65#L587true assume 0 != test_~tmp___1~0; 51#L587-2true assume { :begin_inline_timeShift } true; 148#L341true assume !(0 != ~pumpRunning~0); 133#L341-2true assume !(0 != ~systemActive~0); 44#L348-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 26#L271true __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 94#L201true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 91#L201-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 104#L358true assume { :end_inline_timeShift } true; 31#L549-3true [2018-11-18 09:18:20,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:20,933 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:18:20,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:20,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:20,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:20,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:20,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1931893018, now seen corresponding path program 1 times [2018-11-18 09:18:21,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:21,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,109 INFO L82 PathProgramCache]: Analyzing trace with hash 592540611, now seen corresponding path program 1 times [2018-11-18 09:18:21,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:21,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:18:21,244 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 09:18:21,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:18:21,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:18:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:18:21,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:18:21,345 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 6 states. [2018-11-18 09:18:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:18:21,481 INFO L93 Difference]: Finished difference Result 166 states and 218 transitions. [2018-11-18 09:18:21,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:18:21,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 218 transitions. [2018-11-18 09:18:21,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 09:18:21,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 156 states and 208 transitions. [2018-11-18 09:18:21,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2018-11-18 09:18:21,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2018-11-18 09:18:21,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 208 transitions. [2018-11-18 09:18:21,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:18:21,493 INFO L705 BuchiCegarLoop]: Abstraction has 156 states and 208 transitions. [2018-11-18 09:18:21,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 208 transitions. [2018-11-18 09:18:21,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-18 09:18:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-18 09:18:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 208 transitions. [2018-11-18 09:18:21,524 INFO L728 BuchiCegarLoop]: Abstraction has 156 states and 208 transitions. [2018-11-18 09:18:21,524 INFO L608 BuchiCegarLoop]: Abstraction has 156 states and 208 transitions. [2018-11-18 09:18:21,524 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:18:21,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 208 transitions. [2018-11-18 09:18:21,526 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 09:18:21,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:18:21,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:18:21,527 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:21,527 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:21,527 INFO L794 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 376#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 377#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 380#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 372#L73 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 373#L167 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 454#L141 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 455#L190 assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 399#L549-3 [2018-11-18 09:18:21,528 INFO L796 eck$LassoCheckResult]: Loop: 399#L549-3 assume true; 393#L549-1 assume !false; 394#L550 assume test_~splverifierCounter~0 < 4; 451#L551 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 452#L559 assume !(0 != test_~tmp~6); 405#L559-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 468#L569 assume !(0 != test_~tmp___0~3); 506#L569-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 428#L579 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 429#L535 assume { :end_inline_startSystem } true; 431#L587-2 assume { :begin_inline_timeShift } true; 432#L341 assume !(0 != ~pumpRunning~0); 477#L341-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 501#L399 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; 378#L373-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 374#L365-3 assume { :end_inline_processEnvironment__wrappee__base } true; 364#L373-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 375#L399-1 assume { :end_inline_processEnvironment } true; 421#L348-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 388#L271 __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 389#L201 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 415#L201-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 475#L358 assume { :end_inline_timeShift } true; 399#L549-3 [2018-11-18 09:18:21,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,528 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:18:21,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:21,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1327758783, now seen corresponding path program 1 times [2018-11-18 09:18:21,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,570 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:18:21,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:18:21,583 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 09:18:21,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:18:21,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:18:21,583 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:18:21,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:18:21,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:18:21,584 INFO L87 Difference]: Start difference. First operand 156 states and 208 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 09:18:21,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:18:21,670 INFO L93 Difference]: Finished difference Result 217 states and 279 transitions. [2018-11-18 09:18:21,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:18:21,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 217 states and 279 transitions. [2018-11-18 09:18:21,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2018-11-18 09:18:21,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 217 states to 217 states and 279 transitions. [2018-11-18 09:18:21,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 217 [2018-11-18 09:18:21,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 217 [2018-11-18 09:18:21,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 217 states and 279 transitions. [2018-11-18 09:18:21,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:18:21,675 INFO L705 BuchiCegarLoop]: Abstraction has 217 states and 279 transitions. [2018-11-18 09:18:21,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states and 279 transitions. [2018-11-18 09:18:21,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-11-18 09:18:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-18 09:18:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 279 transitions. [2018-11-18 09:18:21,684 INFO L728 BuchiCegarLoop]: Abstraction has 217 states and 279 transitions. [2018-11-18 09:18:21,684 INFO L608 BuchiCegarLoop]: Abstraction has 217 states and 279 transitions. [2018-11-18 09:18:21,684 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:18:21,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 217 states and 279 transitions. [2018-11-18 09:18:21,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2018-11-18 09:18:21,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:18:21,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:18:21,688 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:21,688 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:21,688 INFO L794 eck$LassoCheckResult]: Stem: 885#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 753#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 754#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 758#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 747#L73 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 748#L167 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 834#L141 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 835#L190 assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 777#L549-3 [2018-11-18 09:18:21,688 INFO L796 eck$LassoCheckResult]: Loop: 777#L549-3 assume true; 765#L549-1 assume !false; 766#L550 assume test_~splverifierCounter~0 < 4; 832#L551 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 833#L559 assume !(0 != test_~tmp~6); 783#L559-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 848#L569 assume !(0 != test_~tmp___0~3); 893#L569-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 808#L579 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 809#L535 assume { :end_inline_startSystem } true; 811#L587-2 assume { :begin_inline_timeShift } true; 812#L341 assume !(0 != ~pumpRunning~0); 886#L341-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 887#L399 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; 756#L373-2 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~5;havoc isHighWaterSensorDry_~retValue_acc~5; 757#L311-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 881#L316-1 isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; 865#L501-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 866#L501-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 839#L507-1 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; 840#L377-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 743#L365-2 assume { :end_inline_processEnvironment__wrappee__base } true; 744#L373-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 755#L399-1 assume { :end_inline_processEnvironment } true; 800#L348-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 767#L271 __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 768#L201 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 795#L201-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 857#L358 assume { :end_inline_timeShift } true; 777#L549-3 [2018-11-18 09:18:21,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,689 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:18:21,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:21,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2080726935, now seen corresponding path program 1 times [2018-11-18 09:18:21,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,727 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:18:21,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:21,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1307823794, now seen corresponding path program 1 times [2018-11-18 09:18:21,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:18:21,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:18:21,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:21,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:56,162 WARN L180 SmtUtils]: Spent 34.24 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:19:19,398 WARN L180 SmtUtils]: Spent 23.23 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:19:19,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:19:19 BoogieIcfgContainer [2018-11-18 09:19:19,462 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:19:19,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:19:19,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:19:19,462 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:19:19,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:18:20" (3/4) ... [2018-11-18 09:19:19,465 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:19:19,507 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88b0b873-7ba1-4450-a7b8-4a4dfe091567/bin-2019/uautomizer/witness.graphml [2018-11-18 09:19:19,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:19:19,507 INFO L168 Benchmark]: Toolchain (without parser) took 59819.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 957.6 MB in the beginning and 903.9 MB in the end (delta: 53.7 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,508 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:19:19,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,508 INFO L168 Benchmark]: Boogie Preprocessor took 33.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,509 INFO L168 Benchmark]: RCFGBuilder took 674.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,509 INFO L168 Benchmark]: BuchiAutomizer took 58646.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.0 GB in the beginning and 908.6 MB in the end (delta: 126.7 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,509 INFO L168 Benchmark]: Witness Printer took 44.83 ms. Allocated memory is still 1.2 GB. Free memory was 908.6 MB in the beginning and 903.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:19,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 674.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58646.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.0 GB in the beginning and 908.6 MB in the end (delta: 126.7 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.83 ms. Allocated memory is still 1.2 GB. Free memory was 908.6 MB in the beginning and 903.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 217 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 58.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 217 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 437 SDtfs, 781 SDslu, 108 SDs, 0 SdLazy, 38 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 549]: 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, retValue_acc=0, "__utac__get_this_argtype"=39, ",Meth:"=31, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "OK"=28, methaneLevelCritical=0, 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"=8, "libacc.c"=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67af15a7=0, "On"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1217d371=0, "Off"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@142eebff=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fd0144b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33a6d352=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d7724e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1586d24=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=37, "\n"=0, ") "=0, "libacc.c"=15, retValue_acc=0, \result=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Pump(System:"=26, head=0, pumpRunning=0, tmp=1, "i > 0 && i <= this->argsCount"=16, \result=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=35, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7da038b9=0, "Pump(System:"=0, \result=1, tmp___0=0, "libacc.c"=36, "libacc.c"=12, "Off"=23, "__utac__get_this_argtype"=0, tmp=1, "Env(Water:%i"=33, retValue_acc=1, tmp___0=0, tmp___2=42, ") "=18, "On"=20, splverifierCounter=0, "__utac__get_this_arg"=0, "CRIT"=0, ",Meth:"=0, "Env(Water:%i"=0, methAndRunningLastTime=0, \result=0, "CRIT"=29, "libacc.c"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b203506=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@559d57db=0, "__utac__get_this_arg"=14, tmp=0, head=0, "On"=0, "Off"=0, ",Pump:"=22, ",Pump:"=0, "On"=0, "\n"=17, tmp=0, "Off"=0, ")"=0, "OK"=0, "__utac__get_this_arg"=34, ")"=27} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 549]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L280] FCALL "Env(Water:%i" [L281] FCALL ",Meth:" [L285] FCALL "CRIT" [L289] FCALL "OK" [L293] FCALL ")" [L461] FCALL "Pump(System:" [L465] FCALL "On" [L469] FCALL "Off" [L473] FCALL ",Pump:" [L477] FCALL "On" [L481] FCALL "Off" [L485] FCALL ") " [L487] FCALL "\n" [L903] FCALL "i > 0 && i <= this->argsCount" [L903] FCALL "libacc.c" [L904] FCALL "__utac__get_this_arg" [L910] FCALL "i > 0 && i <= this->argsCount" [L910] FCALL "libacc.c" [L911] FCALL "__utac__get_this_arg" [L949] FCALL "i > 0 && i <= this->argsCount" [L949] FCALL "libacc.c" [L950] FCALL "__utac__get_this_argtype" [L956] FCALL "i > 0 && i <= this->argsCount" [L956] FCALL "libacc.c" [L957] FCALL "__utac__get_this_argtype" [L78] int cleanupTimeShifts = 4; [L184] int methAndRunningLastTime ; [L228] int waterLevel = 1; [L229] int methaneLevelCritical = 0; [L334] int pumpRunning = 0; [L335] int systemActive = 1; [L775] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L158] int retValue_acc ; [L159] int tmp ; [L163] FCALL select_helpers() [L164] FCALL select_features() [L165] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L165] EXPR valid_product() [L165] tmp = valid_product() [L167] COND TRUE \read(tmp) [L169] FCALL setup() [L170] CALL runTest() [L151] CALL __utac_acc__Specification2_spec__1() [L189] RET methAndRunningLastTime = 0 [L151] __utac_acc__Specification2_spec__1() [L152] CALL test() [L540] int splverifierCounter ; [L541] int tmp ; [L542] int tmp___0 ; [L543] int tmp___1 ; [L544] int tmp___2 ; [L547] splverifierCounter = 0 Loop: [L549] COND TRUE 1 [L551] COND TRUE splverifierCounter < 4 [L557] tmp = __VERIFIER_nondet_int() [L559] COND FALSE !(\read(tmp)) [L567] tmp___0 = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp___0)) [L577] tmp___2 = __VERIFIER_nondet_int() [L579] COND TRUE \read(tmp___2) [L581] CALL startSystem() [L534] RET systemActive = 1 [L581] startSystem() [L594] CALL timeShift() [L341] COND FALSE !(\read(pumpRunning)) [L348] COND TRUE \read(systemActive) [L350] CALL processEnvironment() [L396] int tmp ; [L399] COND FALSE !(\read(pumpRunning)) [L414] CALL processEnvironment__wrappee__highWaterSensor() [L370] int tmp ; [L373] COND TRUE ! pumpRunning [L375] CALL, EXPR isHighWaterLevel() [L493] int retValue_acc ; [L494] int tmp ; [L495] int tmp___0 ; [L499] CALL, EXPR isHighWaterSensorDry() [L308] int retValue_acc ; [L311] COND TRUE waterLevel < 2 [L312] retValue_acc = 1 [L313] RET return (retValue_acc); [L499] EXPR isHighWaterSensorDry() [L499] tmp = isHighWaterSensorDry() [L501] COND TRUE \read(tmp) [L502] tmp___0 = 0 [L506] retValue_acc = tmp___0 [L507] RET return (retValue_acc); [L375] EXPR isHighWaterLevel() [L375] tmp = isHighWaterLevel() [L377] COND FALSE !(\read(tmp)) [L383] RET, FCALL processEnvironment__wrappee__base() [L414] RET processEnvironment__wrappee__highWaterSensor() [L350] processEnvironment() [L356] CALL __utac_acc__Specification2_spec__2() [L194] int tmp ; [L195] int tmp___0 ; [L199] CALL, EXPR isMethaneLevelCritical() [L267] int retValue_acc ; [L270] retValue_acc = methaneLevelCritical [L271] RET return (retValue_acc); [L199] EXPR isMethaneLevelCritical() [L199] tmp = isMethaneLevelCritical() [L201] COND FALSE !(\read(tmp)) [L217] RET methAndRunningLastTime = 0 [L356] RET __utac_acc__Specification2_spec__2() [L594] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...