./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_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_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:34:19,242 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:34:19,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:34:19,251 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:34:19,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:34:19,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:34:19,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:34:19,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:34:19,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:34:19,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:34:19,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:34:19,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:34:19,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:34:19,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:34:19,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:34:19,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:34:19,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:34:19,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:34:19,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:34:19,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:34:19,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:34:19,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:34:19,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:34:19,265 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:34:19,265 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:34:19,266 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:34:19,267 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:34:19,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:34:19,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:34:19,268 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:34:19,269 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:34:19,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:34:19,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:34:19,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:34:19,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:34:19,270 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:34:19,271 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:34:19,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:34:19,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:34:19,282 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:34:19,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:34:19,282 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:34:19,283 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:34:19,283 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:34:19,283 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:34:19,283 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:34:19,283 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:34:19,283 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:34:19,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:34:19,284 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:34:19,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:34:19,285 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:34:19,285 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:34:19,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:34:19,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:34:19,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:34:19,285 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:34:19,285 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:34:19,286 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:34:19,286 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:34:19,286 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:34:19,286 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_73548cf5-f950-41b5-a96b-edc63a4d682e/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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2018-11-18 10:34:19,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:34:19,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:34:19,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:34:19,322 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:34:19,323 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:34:19,323 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-11-18 10:34:19,357 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/data/d52aa7556/19e260daa36a4fdebd424023a58c88fe/FLAG3d1489006 [2018-11-18 10:34:19,779 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:34:19,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-11-18 10:34:19,785 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/data/d52aa7556/19e260daa36a4fdebd424023a58c88fe/FLAG3d1489006 [2018-11-18 10:34:19,793 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/data/d52aa7556/19e260daa36a4fdebd424023a58c88fe [2018-11-18 10:34:19,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:34:19,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:34:19,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:34:19,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:34:19,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:34:19,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:34:19" (1/1) ... [2018-11-18 10:34:19,802 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 10:34:19, skipping insertion in model container [2018-11-18 10:34:19,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:34:19" (1/1) ... [2018-11-18 10:34:19,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:34:19,836 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:34:20,021 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:34:20,030 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:34:20,135 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:34:20,156 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:34:20,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20 WrapperNode [2018-11-18 10:34:20,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:34:20,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:34:20,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:34:20,157 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:34:20,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:34:20,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:34:20,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:34:20,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:34:20,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... [2018-11-18 10:34:20,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:34:20,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:34:20,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:34:20,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:34:20,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/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 10:34:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:34:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:34:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:34:20,828 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:34:20,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:34:20 BoogieIcfgContainer [2018-11-18 10:34:20,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:34:20,829 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:34:20,829 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:34:20,832 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:34:20,832 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:34:20,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:34:19" (1/3) ... [2018-11-18 10:34:20,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e792e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:34:20, skipping insertion in model container [2018-11-18 10:34:20,833 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:34:20,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:34:20" (2/3) ... [2018-11-18 10:34:20,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e792e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:34:20, skipping insertion in model container [2018-11-18 10:34:20,834 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:34:20,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:34:20" (3/3) ... [2018-11-18 10:34:20,835 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-11-18 10:34:20,869 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:34:20,869 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:34:20,869 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:34:20,869 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:34:20,870 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:34:20,870 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:34:20,870 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:34:20,870 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:34:20,870 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:34:20,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states. [2018-11-18 10:34:20,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-18 10:34:20,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:34:20,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:34:20,913 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:34:20,913 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 10:34:20,913 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:34:20,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states. [2018-11-18 10:34:20,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-18 10:34:20,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:34:20,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:34:20,920 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:34:20,920 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 10:34:20,924 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(13);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 44];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 77];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 101];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 116];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 104];#memory_int := #memory_int[#t~string32.base,5 + #t~string32.offset := 58];#memory_int := #memory_int[#t~string32.base,6 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 67];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 82];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 73];#memory_int := #memory_int[#t~string34.base,3 + #t~string34.offset := 84];#memory_int := #memory_int[#t~string34.base,4 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 79];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 75];#memory_int := #memory_int[#t~string36.base,2 + #t~string36.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 41];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 173#L445true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#L438true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 27#L453true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 3#L409true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 97#L383true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 98#L55-3true [2018-11-18 10:34:20,925 INFO L796 eck$LassoCheckResult]: Loop: 98#L55-3true assume true; 129#L55-1true assume !false; 49#L56true assume test_~splverifierCounter~0 < 4; 183#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 21#L65true assume !(0 != test_~tmp~0); 18#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 66#L75true assume !(0 != test_~tmp___0~0); 45#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 152#L85true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 146#L93true assume 0 != test_~tmp___1~0; 138#L93-2true assume { :begin_inline_timeShift } true; 36#L128true assume !(0 != ~pumpRunning~0); 15#L128-2true assume !(0 != ~systemActive~0); 87#L135-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 92#L537-3true __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 25#L475true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 28#L475-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 162#L145true assume { :end_inline_timeShift } true; 98#L55-3true [2018-11-18 10:34:20,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:20,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:34:20,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:20,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:20,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:20,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:34:20,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,102 INFO L82 PathProgramCache]: Analyzing trace with hash -944869900, now seen corresponding path program 1 times [2018-11-18 10:34:21,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:34:21,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,119 INFO L82 PathProgramCache]: Analyzing trace with hash 237771448, now seen corresponding path program 1 times [2018-11-18 10:34:21,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:34:21,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:21,233 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 10:34:21,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:34:21,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:34:21,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:34:21,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:34:21,320 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 6 states. [2018-11-18 10:34:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:34:21,475 INFO L93 Difference]: Finished difference Result 180 states and 232 transitions. [2018-11-18 10:34:21,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:34:21,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 232 transitions. [2018-11-18 10:34:21,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2018-11-18 10:34:21,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 170 states and 222 transitions. [2018-11-18 10:34:21,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2018-11-18 10:34:21,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 170 [2018-11-18 10:34:21,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 170 states and 222 transitions. [2018-11-18 10:34:21,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:34:21,488 INFO L705 BuchiCegarLoop]: Abstraction has 170 states and 222 transitions. [2018-11-18 10:34:21,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states and 222 transitions. [2018-11-18 10:34:21,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-11-18 10:34:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-11-18 10:34:21,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 222 transitions. [2018-11-18 10:34:21,516 INFO L728 BuchiCegarLoop]: Abstraction has 170 states and 222 transitions. [2018-11-18 10:34:21,516 INFO L608 BuchiCegarLoop]: Abstraction has 170 states and 222 transitions. [2018-11-18 10:34:21,516 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:34:21,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 170 states and 222 transitions. [2018-11-18 10:34:21,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2018-11-18 10:34:21,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:34:21,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:34:21,519 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:34:21,519 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 10:34:21,519 INFO L794 eck$LassoCheckResult]: Stem: 535#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(13);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 44];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 77];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 101];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 116];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 104];#memory_int := #memory_int[#t~string32.base,5 + #t~string32.offset := 58];#memory_int := #memory_int[#t~string32.base,6 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 67];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 82];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 73];#memory_int := #memory_int[#t~string34.base,3 + #t~string34.offset := 84];#memory_int := #memory_int[#t~string34.base,4 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 79];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 75];#memory_int := #memory_int[#t~string36.base,2 + #t~string36.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 41];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 408#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 409#L445 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 505#L438 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 429#L453 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 387#L409 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 388#L383 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 514#L55-3 [2018-11-18 10:34:21,520 INFO L796 eck$LassoCheckResult]: Loop: 514#L55-3 assume true; 515#L55-1 assume !false; 463#L56 assume test_~splverifierCounter~0 < 4; 464#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 420#L65 assume !(0 != test_~tmp~0); 410#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 411#L75 assume !(0 != test_~tmp___0~0); 458#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 459#L85 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 470#L320 assume { :end_inline_startSystem } true; 471#L93-2 assume { :begin_inline_timeShift } true; 444#L128 assume !(0 != ~pumpRunning~0); 405#L128-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 389#L186 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 390#L160-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 472#L152-3 assume { :end_inline_processEnvironment__wrappee__base } true; 469#L160-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 430#L186-1 assume { :end_inline_processEnvironment } true; 431#L135-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 499#L537-3 __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 424#L475 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 425#L475-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 432#L145 assume { :end_inline_timeShift } true; 514#L55-3 [2018-11-18 10:34:21,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:34:21,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:34:21,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,566 INFO L82 PathProgramCache]: Analyzing trace with hash -2052354461, now seen corresponding path program 1 times [2018-11-18 10:34:21,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,567 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:34:21,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:21,589 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 10:34:21,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:34:21,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:34:21,590 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:34:21,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:34:21,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:34:21,590 INFO L87 Difference]: Start difference. First operand 170 states and 222 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 10:34:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:34:21,679 INFO L93 Difference]: Finished difference Result 234 states and 293 transitions. [2018-11-18 10:34:21,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:34:21,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 234 states and 293 transitions. [2018-11-18 10:34:21,682 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2018-11-18 10:34:21,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 234 states to 234 states and 293 transitions. [2018-11-18 10:34:21,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2018-11-18 10:34:21,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2018-11-18 10:34:21,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 293 transitions. [2018-11-18 10:34:21,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:34:21,686 INFO L705 BuchiCegarLoop]: Abstraction has 234 states and 293 transitions. [2018-11-18 10:34:21,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 293 transitions. [2018-11-18 10:34:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-11-18 10:34:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-18 10:34:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 293 transitions. [2018-11-18 10:34:21,695 INFO L728 BuchiCegarLoop]: Abstraction has 234 states and 293 transitions. [2018-11-18 10:34:21,695 INFO L608 BuchiCegarLoop]: Abstraction has 234 states and 293 transitions. [2018-11-18 10:34:21,695 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:34:21,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 293 transitions. [2018-11-18 10:34:21,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2018-11-18 10:34:21,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:34:21,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:34:21,698 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:34:21,698 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 10:34:21,698 INFO L794 eck$LassoCheckResult]: Stem: 944#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(13);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 44];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 77];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 101];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 116];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 104];#memory_int := #memory_int[#t~string32.base,5 + #t~string32.offset := 58];#memory_int := #memory_int[#t~string32.base,6 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 67];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 82];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 73];#memory_int := #memory_int[#t~string34.base,3 + #t~string34.offset := 84];#memory_int := #memory_int[#t~string34.base,4 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 79];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 75];#memory_int := #memory_int[#t~string36.base,2 + #t~string36.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 41];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 816#L445 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 912#L438 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 834#L453 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 791#L409 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 792#L383 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 920#L55-3 [2018-11-18 10:34:21,698 INFO L796 eck$LassoCheckResult]: Loop: 920#L55-3 assume true; 921#L55-1 assume !false; 866#L56 assume test_~splverifierCounter~0 < 4; 867#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 823#L65 assume !(0 != test_~tmp~0); 817#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 818#L75 assume !(0 != test_~tmp___0~0); 862#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 863#L85 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 952#L93 assume 0 != test_~tmp___1~0; 875#L93-2 assume { :begin_inline_timeShift } true; 849#L128 assume !(0 != ~pumpRunning~0); 812#L128-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 793#L186 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 794#L160-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 810#L577-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 811#L582-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 851#L305-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 948#L305-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 939#L311-1 processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; 825#L164-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 827#L152-2 assume { :end_inline_processEnvironment__wrappee__base } true; 882#L160-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 933#L186-1 assume { :end_inline_processEnvironment } true; 1000#L135-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 999#L537-3 __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 997#L475 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 995#L475-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 962#L145 assume { :end_inline_timeShift } true; 920#L55-3 [2018-11-18 10:34:21,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:34:21,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:34:21,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,739 INFO L82 PathProgramCache]: Analyzing trace with hash 169201850, now seen corresponding path program 1 times [2018-11-18 10:34:21,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,740 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:34:21,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:34:21,749 INFO L82 PathProgramCache]: Analyzing trace with hash 43467126, now seen corresponding path program 1 times [2018-11-18 10:34:21,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:34:21,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:34:21,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:34:21,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:34:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:34:21,965 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-11-18 10:34:52,571 WARN L180 SmtUtils]: Spent 30.56 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:35:13,570 WARN L180 SmtUtils]: Spent 21.00 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:35:13,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:35:13 BoogieIcfgContainer [2018-11-18 10:35:13,635 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:35:13,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:35:13,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:35:13,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:35:13,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:34:20" (3/4) ... [2018-11-18 10:35:13,638 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:35:13,679 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73548cf5-f950-41b5-a96b-edc63a4d682e/bin-2019/uautomizer/witness.graphml [2018-11-18 10:35:13,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:35:13,680 INFO L168 Benchmark]: Toolchain (without parser) took 53884.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 955.5 MB in the beginning and 928.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 181.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:13,681 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:35:13,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:13,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.75 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 10:35:13,681 INFO L168 Benchmark]: Boogie Preprocessor took 32.10 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 10:35:13,682 INFO L168 Benchmark]: RCFGBuilder took 588.16 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:13,682 INFO L168 Benchmark]: BuchiAutomizer took 52805.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 32.5 MB). Free memory was 1.0 GB in the beginning and 933.5 MB in the end (delta: 101.8 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:13,682 INFO L168 Benchmark]: Witness Printer took 44.44 ms. Allocated memory is still 1.2 GB. Free memory was 933.5 MB in the beginning and 928.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:13,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.75 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. * Boogie Preprocessor took 32.10 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 588.16 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52805.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 32.5 MB). Free memory was 1.0 GB in the beginning and 933.5 MB in the end (delta: 101.8 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.44 ms. Allocated memory is still 1.2 GB. Free memory was 933.5 MB in the beginning and 928.8 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 234 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 52.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 52.3s. 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 234 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 434 SDtfs, 847 SDslu, 99 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {",Pump:"=15, NULL=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b0760e8=0, retValue_acc=0, "__utac__get_this_argtype"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f0ccc15=169, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11eb82f1=0, "i > 0 && i <= this->argsCount"=0, ")"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50013ee=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aeb3e5d=0, "On"=17, methaneLevelCritical=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@549b4cc4=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=169, "\n"=26, tmp___0=0, "OK"=20, cleanupTimeShifts=4, tmp=0, "CRIT"=22, "On"=12, "\n"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=33, ",Meth:"=0, "Env(Water:%i"=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d9e20ea=0, "libacc.c"=38, retValue_acc=0, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2842b30b=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=11, \result=0, ") "=27, tmp=0, "Off"=0, "OK"=0, "i > 0 && i <= this->argsCount"=35, "libacc.c"=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2196211e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2438f789=0, "CRIT"=0, tmp=1, "On"=0, retValue_acc=1, \result=1, "libacc.c"=39, "libacc.c"=28, "__utac__get_this_argtype"=0, tmp=1, tmp___2=0, "Env(Water:%i"=24, splverifierCounter=0, "__utac__get_this_arg"=0, "Pump(System:"=0, \result=0, "Pump(System:"=18, "libacc.c"=29, "__utac__get_this_arg"=31, tmp=0, head=0, tmp=0, "Off"=14, ",Meth:"=23, "Off"=0, "On"=0, "__utac__get_this_arg"=34, "Off"=16} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L265] FCALL "Pump(System:" [L269] FCALL "On" [L273] FCALL "Off" [L277] FCALL ",Pump:" [L281] FCALL "On" [L285] FCALL "Off" [L289] FCALL ") " [L291] FCALL "\n" [L546] FCALL "Env(Water:%i" [L547] FCALL ",Meth:" [L551] FCALL "CRIT" [L555] FCALL "OK" [L559] FCALL ")" [L885] FCALL "i > 0 && i <= this->argsCount" [L885] FCALL "libacc.c" [L886] FCALL "__utac__get_this_arg" [L892] FCALL "i > 0 && i <= this->argsCount" [L892] FCALL "libacc.c" [L893] FCALL "__utac__get_this_arg" [L931] FCALL "i > 0 && i <= this->argsCount" [L931] FCALL "libacc.c" [L932] FCALL "__utac__get_this_argtype" [L938] FCALL "i > 0 && i <= this->argsCount" [L938] FCALL "libacc.c" [L939] FCALL "__utac__get_this_argtype" [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L324] int cleanupTimeShifts = 4; [L494] int waterLevel = 1; [L495] int methaneLevelCritical = 0; [L757] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L400] int retValue_acc ; [L401] int tmp ; [L405] FCALL select_helpers() [L406] FCALL select_features() [L407] CALL, EXPR valid_product() [L449] int retValue_acc ; [L452] retValue_acc = 1 [L453] RET return (retValue_acc); [L407] EXPR valid_product() [L407] tmp = valid_product() [L409] COND TRUE \read(tmp) [L411] FCALL setup() [L412] CALL runTest() [L391] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L91] tmp___1 = __VERIFIER_nondet_int() [L93] COND TRUE \read(tmp___1) [L100] CALL timeShift() [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L183] int tmp ; [L186] COND FALSE !(\read(pumpRunning)) [L201] CALL processEnvironment__wrappee__methaneQuery() [L157] int tmp ; [L160] COND TRUE ! pumpRunning [L162] CALL, EXPR isHighWaterLevel() [L297] int retValue_acc ; [L298] int tmp ; [L299] int tmp___0 ; [L303] CALL, EXPR isHighWaterSensorDry() [L574] int retValue_acc ; [L577] COND TRUE waterLevel < 2 [L578] retValue_acc = 1 [L579] RET return (retValue_acc); [L303] EXPR isHighWaterSensorDry() [L303] tmp = isHighWaterSensorDry() [L305] COND TRUE \read(tmp) [L306] tmp___0 = 0 [L310] retValue_acc = tmp___0 [L311] RET return (retValue_acc); [L162] EXPR isHighWaterLevel() [L162] tmp = isHighWaterLevel() [L164] COND FALSE !(\read(tmp)) [L170] RET, FCALL processEnvironment__wrappee__base() [L201] RET processEnvironment__wrappee__methaneQuery() [L137] processEnvironment() [L143] CALL __utac_acc__Specification1_spec__1() [L468] int tmp ; [L469] int tmp___0 ; [L473] CALL, EXPR isMethaneLevelCritical() [L533] int retValue_acc ; [L536] retValue_acc = methaneLevelCritical [L537] RET return (retValue_acc); [L473] EXPR isMethaneLevelCritical() [L473] tmp = isMethaneLevelCritical() [L475] COND FALSE, RET !(\read(tmp)) [L143] RET __utac_acc__Specification1_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...