./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:53:40,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:53:40,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:53:40,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:53:40,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:53:40,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:53:40,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:53:40,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:53:40,247 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:53:40,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:53:40,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:53:40,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:53:40,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:53:40,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:53:40,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:53:40,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:53:40,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:53:40,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:53:40,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:53:40,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:53:40,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:53:40,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:53:40,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:53:40,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:53:40,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:53:40,257 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:53:40,258 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:53:40,258 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:53:40,259 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:53:40,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:53:40,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:53:40,260 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:53:40,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:53:40,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:53:40,261 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:53:40,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:53:40,261 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 10:53:40,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:53:40,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:53:40,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:53:40,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:53:40,273 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:53:40,273 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 10:53:40,273 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 10:53:40,274 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:53:40,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:53:40,275 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 10:53:40,276 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 10:53:40,276 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:53:40,276 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:53:40,276 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 10:53:40,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:53:40,276 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:53:40,276 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 10:53:40,277 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 10:53:40,277 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_57cd37e4-32fa-4360-81a7-4a974e9824b1/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2018-11-10 10:53:40,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:53:40,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:53:40,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:53:40,313 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:53:40,313 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:53:40,313 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2018-11-10 10:53:40,357 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/data/26fadce3c/2a756afa42a14c5493594cc63df416f2/FLAG38ac76cc5 [2018-11-10 10:53:40,788 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:53:40,789 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2018-11-10 10:53:40,800 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/data/26fadce3c/2a756afa42a14c5493594cc63df416f2/FLAG38ac76cc5 [2018-11-10 10:53:40,811 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/data/26fadce3c/2a756afa42a14c5493594cc63df416f2 [2018-11-10 10:53:40,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:53:40,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:53:40,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:53:40,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:53:40,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:53:40,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:40" (1/1) ... [2018-11-10 10:53:40,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:40, skipping insertion in model container [2018-11-10 10:53:40,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:40" (1/1) ... [2018-11-10 10:53:40,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:53:40,856 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:53:41,039 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:53:41,046 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:53:41,098 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:53:41,114 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:53:41,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41 WrapperNode [2018-11-10 10:53:41,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:53:41,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:53:41,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:53:41,115 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:53:41,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:53:41,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:53:41,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:53:41,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:53:41,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... [2018-11-10 10:53:41,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:53:41,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:53:41,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:53:41,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:53:41,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 10:53:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:53:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:53:41,846 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:53:41,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:53:41 BoogieIcfgContainer [2018-11-10 10:53:41,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:53:41,847 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 10:53:41,847 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 10:53:41,850 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 10:53:41,851 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 10:53:41,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:53:40" (1/3) ... [2018-11-10 10:53:41,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4baccdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:53:41, skipping insertion in model container [2018-11-10 10:53:41,852 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 10:53:41,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:41" (2/3) ... [2018-11-10 10:53:41,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4baccdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:53:41, skipping insertion in model container [2018-11-10 10:53:41,853 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 10:53:41,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:53:41" (3/3) ... [2018-11-10 10:53:41,855 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2018-11-10 10:53:41,898 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:53:41,898 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 10:53:41,898 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 10:53:41,899 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 10:53:41,899 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:53:41,899 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:53:41,899 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 10:53:41,899 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:53:41,899 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 10:53:41,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-10 10:53:41,935 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-10 10:53:41,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 10:53:41,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 10:53:41,942 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:53:41,943 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:53:41,943 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 10:53:41,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-10 10:53:41,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-10 10:53:41,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 10:53:41,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 10:53:41,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:53:41,948 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:53:41,954 INFO L793 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string40.base, #t~string40.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 0 := 44];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 1 := 77];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 2 := 101];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 3 := 116];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 4 := 104];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 5 := 58];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string42.base, #t~string42.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 0 := 67];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 1 := 82];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 2 := 73];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 3 := 84];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string44.base, #t~string44.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 0 := 79];#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 1 := 75];#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string46.base, #t~string46.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string46.base,#t~string46.offset + 0 := 41];#memory_int := #memory_int[#t~string46.base,#t~string46.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 0 := 79];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 1 := 110];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 0 := 79];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 1 := 102];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 2 := 102];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string63.base, #t~string63.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 0 := 44];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 1 := 80];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 2 := 117];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 3 := 109];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 4 := 112];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 5 := 58];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 0 := 79];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 1 := 110];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 0 := 79];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 1 := 102];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 2 := 102];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 0 := 41];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 1 := 32];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 0 := 10];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 1 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~6, main_~tmp~4;havoc main_~retValue_acc~6;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 40#L736true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#L729true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 41#L744true main_#t~ret47 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 5#L632true assume main_~tmp~4 != 0;assume { :begin_inline_setup } true; 33#L604true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 106#L415true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 103#L657-3true [2018-11-10 10:53:41,954 INFO L795 eck$LassoCheckResult]: Loop: 103#L657-3true assume true; 113#L657-1true assume !false; 62#L658true assume test_~splverifierCounter~0 < 4; 32#L659true test_~tmp~5 := test_#t~nondet48;havoc test_#t~nondet48; 42#L667true assume !(test_~tmp~5 != 0); 38#L667-2true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 80#L677true assume !(test_~tmp___0~1 != 0); 69#L677-2true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 18#L687true assume test_~tmp___2~0 != 0; 93#L693-2true assume { :begin_inline_timeShift } true; 39#L758true assume !(~pumpRunning~0 != 0); 30#L758-2true assume !(~systemActive~0 != 0); 78#L765-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;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; 14#L497true __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 105#L426true assume !(__utac_acc__Specification2_spec__2_~tmp~3 != 0);~methAndRunningLastTime~0 := 0; 91#L426-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 13#L775true assume { :end_inline_timeShift } true; 103#L657-3true [2018-11-10 10:53:41,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:41,959 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-10 10:53:41,960 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:53:41,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:53:41,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:41,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:53:41,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:42,126 INFO L82 PathProgramCache]: Analyzing trace with hash 2106204507, now seen corresponding path program 1 times [2018-11-10 10:53:42,126 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:53:42,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:53:42,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:53:42,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:42,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1370262930, now seen corresponding path program 1 times [2018-11-10 10:53:42,136 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:53:42,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:53:42,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:53:42,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:42,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:53:42,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 10:53:42,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:53:42,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:53:42,386 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 6 states. [2018-11-10 10:53:42,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:53:42,557 INFO L93 Difference]: Finished difference Result 279 states and 360 transitions. [2018-11-10 10:53:42,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:53:42,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 360 transitions. [2018-11-10 10:53:42,566 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2018-11-10 10:53:42,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 330 transitions. [2018-11-10 10:53:42,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2018-11-10 10:53:42,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2018-11-10 10:53:42,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 330 transitions. [2018-11-10 10:53:42,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 10:53:42,576 INFO L705 BuchiCegarLoop]: Abstraction has 249 states and 330 transitions. [2018-11-10 10:53:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 330 transitions. [2018-11-10 10:53:42,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 156. [2018-11-10 10:53:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-10 10:53:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2018-11-10 10:53:42,608 INFO L728 BuchiCegarLoop]: Abstraction has 156 states and 207 transitions. [2018-11-10 10:53:42,608 INFO L608 BuchiCegarLoop]: Abstraction has 156 states and 207 transitions. [2018-11-10 10:53:42,608 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 10:53:42,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 207 transitions. [2018-11-10 10:53:42,610 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2018-11-10 10:53:42,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 10:53:42,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 10:53:42,611 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:53:42,611 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:53:42,611 INFO L793 eck$LassoCheckResult]: Stem: 496#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string40.base, #t~string40.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 0 := 44];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 1 := 77];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 2 := 101];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 3 := 116];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 4 := 104];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 5 := 58];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string42.base, #t~string42.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 0 := 67];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 1 := 82];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 2 := 73];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 3 := 84];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string44.base, #t~string44.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 0 := 79];#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 1 := 75];#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string46.base, #t~string46.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string46.base,#t~string46.offset + 0 := 41];#memory_int := #memory_int[#t~string46.base,#t~string46.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 0 := 79];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 1 := 110];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 0 := 79];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 1 := 102];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 2 := 102];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string63.base, #t~string63.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 0 := 44];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 1 := 80];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 2 := 117];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 3 := 109];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 4 := 112];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 5 := 58];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 0 := 79];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 1 := 110];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 0 := 79];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 1 := 102];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 2 := 102];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 0 := 41];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 1 := 32];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 0 := 10];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 1 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 422#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~6, main_~tmp~4;havoc main_~retValue_acc~6;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 423#L736 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 472#L729 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 473#L744 main_#t~ret47 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 413#L632 assume main_~tmp~4 != 0;assume { :begin_inline_setup } true; 414#L604 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 461#L415 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 428#L657-3 [2018-11-10 10:53:42,612 INFO L795 eck$LassoCheckResult]: Loop: 428#L657-3 assume true; 506#L657-1 assume !false; 491#L658 assume test_~splverifierCounter~0 < 4; 456#L659 test_~tmp~5 := test_#t~nondet48;havoc test_#t~nondet48; 457#L667 assume !(test_~tmp~5 != 0); 453#L667-2 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 469#L677 assume !(test_~tmp___0~1 != 0); 494#L677-2 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 436#L687 assume test_~tmp___2~0 != 0; 437#L693-2 assume { :begin_inline_timeShift } true; 470#L758 assume !(~pumpRunning~0 != 0); 454#L758-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 455#L790 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 485#L782-1 assume { :end_inline_processEnvironment__wrappee__base } true; 483#L790-1 assume { :end_inline_processEnvironment } true; 495#L765-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;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; 429#L497 __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 430#L426 assume !(__utac_acc__Specification2_spec__2_~tmp~3 != 0);~methAndRunningLastTime~0 := 0; 440#L426-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 427#L775 assume { :end_inline_timeShift } true; 428#L657-3 [2018-11-10 10:53:42,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:42,612 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-10 10:53:42,612 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:53:42,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:53:42,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:53:42,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:42,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1517897382, now seen corresponding path program 1 times [2018-11-10 10:53:42,657 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:53:42,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:53:42,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,658 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 10:53:42,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:42,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1404544241, now seen corresponding path program 1 times [2018-11-10 10:53:42,667 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:53:42,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:53:42,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:53:42,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:53:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:53:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:54:42,425 WARN L179 SmtUtils]: Spent 59.62 s on a formula simplification. DAG size of input: 409 DAG size of output: 407 [2018-11-10 10:55:05,466 WARN L179 SmtUtils]: Spent 23.04 s on a formula simplification that was a NOOP. DAG size: 405 [2018-11-10 10:55:05,518 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:55:05,521 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:55:05,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:55:05 BoogieIcfgContainer [2018-11-10 10:55:05,531 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 10:55:05,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:55:05,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:55:05,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:55:05,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:53:41" (3/4) ... [2018-11-10 10:55:05,535 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 10:55:05,570 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57cd37e4-32fa-4360-81a7-4a974e9824b1/bin-2019/uautomizer/witness.graphml [2018-11-10 10:55:05,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:55:05,571 INFO L168 Benchmark]: Toolchain (without parser) took 84757.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.6 MB in the beginning and 881.1 MB in the end (delta: 75.5 MB). Peak memory consumption was 188.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:05,572 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 10:55:05,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.21 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 934.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:05,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:05,572 INFO L168 Benchmark]: Boogie Preprocessor took 29.84 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. [2018-11-10 10:55:05,573 INFO L168 Benchmark]: RCFGBuilder took 622.67 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: 96.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:05,573 INFO L168 Benchmark]: BuchiAutomizer took 83684.05 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -32.0 MB). Free memory was 1.0 GB in the beginning and 885.2 MB in the end (delta: 154.8 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:05,574 INFO L168 Benchmark]: Witness Printer took 39.10 ms. Allocated memory is still 1.1 GB. Free memory was 885.2 MB in the beginning and 881.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:05,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 300.21 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 934.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.84 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 622.67 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: 96.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 83684.05 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -32.0 MB). Free memory was 1.0 GB in the beginning and 885.2 MB in the end (delta: 154.8 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.10 ms. Allocated memory is still 1.1 GB. Free memory was 885.2 MB in the beginning and 881.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 156 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 83.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 83.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 156 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 136 SDtfs, 512 SDslu, 727 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 657]: Nontermination argument in form of an infinite program execution. [2018-11-10 10:55:05,581 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:55:05,582 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:55:05,584 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:55:05,585 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2078c5f2=0, NULL=0, ",Pump:"=0, ")"=0, ")"=34, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b537ef0=0, "\n"=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76ec96ad=0, "OK"=0, retValue_acc=0, "Off"=0, ",Pump:"=37, "Env(Water:%i"=29, "CRIT"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44ccf7b1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53a2b52c=156, NULL=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@137498aa=0, "On"=0, ") "=0, tmp=0, "Off"=0, tmp___1=0, "__utac__get_this_argtype"=16, "__utac__get_this_arg"=19, "__utac__get_this_arg"=23, "libacc.c"=17, cleanupTimeShifts=4, "libacc.c"=12, "CRIT"=31, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, ") "=40, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=0, retValue_acc=0, "OK"=33, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=11, head=0, pumpRunning=0, "Pump(System:"=27, \result=0, "i > 0 && i <= this->argsCount"=22, tmp=1, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59c11225=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27a6fde4=0, "Off"=39, "Off"=36, NULL=0, "libacc.c"=20, retValue_acc=1, "\n"=0, tmp___2=156, "i > 0 && i <= this->argsCount"=15, tmp___0=0, splverifierCounter=0, "On"=0, methAndRunningLastTime=0, \result=0, "On"=35, head=0, "libacc.c"=0, "libacc.c"=24, tmp=0, "i > 0 && i <= this->argsCount"=18, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, "libacc.c"=0, "libacc.c"=0, ",Meth:"=26, NULL=42, tmp=0, "On"=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 657]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] CALL "i > 0 && i <= this->argsCount" [L337] RET "i > 0 && i <= this->argsCount" [L337] CALL "libacc.c" [L337] RET "libacc.c" [L338] CALL "__utac__get_this_arg" [L338] RET "__utac__get_this_arg" [L344] CALL "i > 0 && i <= this->argsCount" [L344] RET "i > 0 && i <= this->argsCount" [L344] CALL "libacc.c" [L344] RET "libacc.c" [L345] CALL "__utac__get_this_arg" [L345] RET "__utac__get_this_arg" [L383] CALL "i > 0 && i <= this->argsCount" [L383] RET "i > 0 && i <= this->argsCount" [L383] CALL "libacc.c" [L383] RET "libacc.c" [L384] CALL "__utac__get_this_argtype" [L384] RET "__utac__get_this_argtype" [L390] CALL "i > 0 && i <= this->argsCount" [L390] RET "i > 0 && i <= this->argsCount" [L390] CALL "libacc.c" [L390] RET "libacc.c" [L391] CALL "__utac__get_this_argtype" [L391] RET "__utac__get_this_argtype" [L506] CALL "Env(Water:%i" [L506] RET "Env(Water:%i" [L507] CALL ",Meth:" [L507] RET ",Meth:" [L511] CALL "CRIT" [L511] RET "CRIT" [L515] CALL "OK" [L515] RET "OK" [L519] CALL ")" [L519] RET ")" [L870] CALL "Pump(System:" [L870] RET "Pump(System:" [L874] CALL "On" [L874] RET "On" [L878] CALL "Off" [L878] RET "Off" [L882] CALL ",Pump:" [L882] RET ",Pump:" [L886] CALL "On" [L886] RET "On" [L890] CALL "Off" [L890] RET "Off" [L894] CALL ") " [L894] RET ") " [L896] CALL "\n" [L896] RET "\n" [L409] int methAndRunningLastTime ; [L454] int waterLevel = 1; [L455] int methaneLevelCritical = 0; [L543] int cleanupTimeShifts = 4; [L751] int pumpRunning = 0; [L752] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int retValue_acc ; [L624] int tmp ; [L628] FCALL select_helpers() [L629] FCALL select_features() [L630] CALL, EXPR valid_product() [L740] int retValue_acc ; [L743] retValue_acc = 1 [L744] RET return (retValue_acc); [L630] EXPR valid_product() [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L634] FCALL setup() [L635] CALL runTest() [L613] CALL __utac_acc__Specification2_spec__1() [L414] RET methAndRunningLastTime = 0 [L613] __utac_acc__Specification2_spec__1() [L614] CALL test() [L648] int splverifierCounter ; [L649] int tmp ; [L650] int tmp___0 ; [L651] int tmp___1 ; [L652] int tmp___2 ; [L655] splverifierCounter = 0 Loop: [L657] COND TRUE 1 [L659] COND TRUE splverifierCounter < 4 [L665] tmp = __VERIFIER_nondet_int() [L667] COND FALSE !(\read(tmp)) [L675] tmp___0 = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp___0)) [L685] tmp___2 = __VERIFIER_nondet_int() [L687] COND TRUE \read(tmp___2) [L702] CALL timeShift() [L758] COND FALSE !(\read(pumpRunning)) [L765] COND TRUE \read(systemActive) [L767] CALL processEnvironment() [L787] int tmp ; [L790] COND FALSE !(\read(pumpRunning)) [L805] RET, FCALL processEnvironment__wrappee__base() [L767] processEnvironment() [L773] CALL __utac_acc__Specification2_spec__2() [L419] int tmp ; [L420] int tmp___0 ; [L424] CALL, EXPR isMethaneLevelCritical() [L493] int retValue_acc ; [L496] retValue_acc = methaneLevelCritical [L497] RET return (retValue_acc); [L424] EXPR isMethaneLevelCritical() [L424] tmp = isMethaneLevelCritical() [L426] COND FALSE !(\read(tmp)) [L442] RET methAndRunningLastTime = 0 [L773] RET __utac_acc__Specification2_spec__2() [L702] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...