./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:21:15,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:21:15,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:21:15,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:21:15,108 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:21:15,109 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:21:15,109 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:21:15,111 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:21:15,112 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:21:15,112 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:21:15,113 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:21:15,113 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:21:15,114 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:21:15,114 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:21:15,115 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:21:15,116 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:21:15,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:21:15,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:21:15,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:21:15,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:21:15,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:21:15,122 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:21:15,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:21:15,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:21:15,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:21:15,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:21:15,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:21:15,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:21:15,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:21:15,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:21:15,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:21:15,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:21:15,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:21:15,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:21:15,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:21:15,129 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:21:15,129 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 12:21:15,140 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:21:15,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:21:15,141 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:21:15,141 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:21:15,141 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:21:15,141 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 12:21:15,141 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 12:21:15,142 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 12:21:15,142 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 12:21:15,142 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 12:21:15,142 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 12:21:15,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:21:15,142 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 12:21:15,143 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 12:21:15,144 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:21:15,144 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:21:15,144 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 12:21:15,144 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 12:21:15,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:21:15,144 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:21:15,145 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 12:21:15,145 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:21:15,145 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:21:15,145 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 12:21:15,146 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 12:21:15,146 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_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2018-11-10 12:21:15,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:21:15,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:21:15,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:21:15,182 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:21:15,182 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:21:15,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-11-10 12:21:15,230 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/data/f542de49d/af221138e7954eaea11a2edd4f6a281a/FLAG349574c63 [2018-11-10 12:21:15,566 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:21:15,567 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-11-10 12:21:15,574 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/data/f542de49d/af221138e7954eaea11a2edd4f6a281a/FLAG349574c63 [2018-11-10 12:21:15,582 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/data/f542de49d/af221138e7954eaea11a2edd4f6a281a [2018-11-10 12:21:15,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:21:15,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:21:15,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:21:15,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:21:15,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:21:15,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:15,593 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 12:21:15, skipping insertion in model container [2018-11-10 12:21:15,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:15,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:21:15,636 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:21:15,839 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:21:15,847 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:21:15,900 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:21:15,923 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:21:15,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15 WrapperNode [2018-11-10 12:21:15,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:21:15,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:21:15,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:21:15,924 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:21:15,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:15,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:21:16,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:21:16,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:21:16,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:21:16,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... [2018-11-10 12:21:16,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:21:16,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:21:16,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:21:16,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:21:16,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/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 12:21:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:21:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:21:16,744 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:21:16,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:21:16 BoogieIcfgContainer [2018-11-10 12:21:16,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:21:16,745 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 12:21:16,745 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 12:21:16,747 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 12:21:16,748 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:21:16,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:21:15" (1/3) ... [2018-11-10 12:21:16,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bba0d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:21:16, skipping insertion in model container [2018-11-10 12:21:16,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:21:16,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:21:15" (2/3) ... [2018-11-10 12:21:16,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bba0d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:21:16, skipping insertion in model container [2018-11-10 12:21:16,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:21:16,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:21:16" (3/3) ... [2018-11-10 12:21:16,751 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-11-10 12:21:16,795 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:21:16,795 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 12:21:16,795 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 12:21:16,795 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 12:21:16,796 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:21:16,796 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:21:16,796 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 12:21:16,796 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:21:16,796 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 12:21:16,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states. [2018-11-10 12:21:16,832 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-10 12:21:16,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:21:16,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:21:16,837 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:16,837 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:16,837 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 12:21:16,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states. [2018-11-10 12:21:16,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-10 12:21:16,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:21:16,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:21:16,845 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:16,845 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:16,850 INFO L793 eck$LassoCheckResult]: Stem: 126#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 := 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~string9.base, #t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 110];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 44];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 80];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 117];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 109];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 4 := 112];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 5 := 58];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 110];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 41];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 32];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 10];#memory_int := #memory_int[#t~string23.base,#t~string23.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~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 := 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~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 44];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 77];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 101];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 116];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 4 := 104];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 5 := 58];#memory_int := #memory_int[#t~string32.base,#t~string32.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~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 67];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 82];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 2 := 73];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 3 := 84];#memory_int := #memory_int[#t~string34.base,#t~string34.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~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 79];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 75];#memory_int := #memory_int[#t~string36.base,#t~string36.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~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 0 := 41];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 1 := 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~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 := 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~string58.base, #t~string58.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~string59.base, #t~string59.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~string60.base, #t~string60.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~string61.base, #t~string61.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~string62.base, #t~string62.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~string66.base, #t~string66.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~string67.base, #t~string67.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~string68.base, #t~string68.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~string69.base, #t~string69.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~string70.base, #t~string70.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 173#L445true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#L438true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 27#L453true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 3#L409true assume main_~tmp~5 != 0;assume { :begin_inline_setup } true; 97#L383true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 98#L55-3true [2018-11-10 12:21:16,851 INFO L795 eck$LassoCheckResult]: Loop: 98#L55-3true assume true; 129#L55-1true assume !false; 49#L56true assume test_~splverifierCounter~0 < 4; 183#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 21#L65true assume !(test_~tmp~0 != 0); 18#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 66#L75true assume !(test_~tmp___0~0 != 0); 45#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 152#L85true assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 146#L93true assume test_~tmp___1~0 != 0; 138#L93-2true assume { :begin_inline_timeShift } true; 36#L128true assume !(~pumpRunning~0 != 0); 15#L128-2true assume !(~systemActive~0 != 0); 87#L135-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 92#L537-3true __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 25#L475true assume !(__utac_acc__Specification1_spec__1_~tmp~6 != 0); 28#L475-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 162#L145true assume { :end_inline_timeShift } true; 98#L55-3true [2018-11-10 12:21:16,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:16,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-10 12:21:16,858 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:16,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:16,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:16,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:21:16,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,012 INFO L82 PathProgramCache]: Analyzing trace with hash -944869900, now seen corresponding path program 1 times [2018-11-10 12:21:17,012 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:21:17,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,023 INFO L82 PathProgramCache]: Analyzing trace with hash 237771448, now seen corresponding path program 1 times [2018-11-10 12:21:17,023 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:21:17,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:21:17,151 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 12:21:17,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:21:17,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:21:17,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:21:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:21:17,253 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 6 states. [2018-11-10 12:21:17,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:21:17,411 INFO L93 Difference]: Finished difference Result 180 states and 232 transitions. [2018-11-10 12:21:17,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:21:17,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 232 transitions. [2018-11-10 12:21:17,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2018-11-10 12:21:17,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 170 states and 222 transitions. [2018-11-10 12:21:17,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2018-11-10 12:21:17,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 170 [2018-11-10 12:21:17,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 170 states and 222 transitions. [2018-11-10 12:21:17,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 12:21:17,425 INFO L705 BuchiCegarLoop]: Abstraction has 170 states and 222 transitions. [2018-11-10 12:21:17,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states and 222 transitions. [2018-11-10 12:21:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-11-10 12:21:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-11-10 12:21:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 222 transitions. [2018-11-10 12:21:17,456 INFO L728 BuchiCegarLoop]: Abstraction has 170 states and 222 transitions. [2018-11-10 12:21:17,456 INFO L608 BuchiCegarLoop]: Abstraction has 170 states and 222 transitions. [2018-11-10 12:21:17,456 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 12:21:17,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 170 states and 222 transitions. [2018-11-10 12:21:17,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2018-11-10 12:21:17,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:21:17,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:21:17,459 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:17,459 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:17,459 INFO L793 eck$LassoCheckResult]: Stem: 535#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 := 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~string9.base, #t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 110];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 44];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 80];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 117];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 109];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 4 := 112];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 5 := 58];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 110];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 41];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 32];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 10];#memory_int := #memory_int[#t~string23.base,#t~string23.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~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 := 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~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 44];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 77];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 101];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 116];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 4 := 104];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 5 := 58];#memory_int := #memory_int[#t~string32.base,#t~string32.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~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 67];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 82];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 2 := 73];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 3 := 84];#memory_int := #memory_int[#t~string34.base,#t~string34.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~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 79];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 75];#memory_int := #memory_int[#t~string36.base,#t~string36.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~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 0 := 41];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 1 := 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~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 := 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~string58.base, #t~string58.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~string59.base, #t~string59.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~string60.base, #t~string60.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~string61.base, #t~string61.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~string62.base, #t~string62.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~string66.base, #t~string66.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~string67.base, #t~string67.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~string68.base, #t~string68.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~string69.base, #t~string69.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~string70.base, #t~string70.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 408#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 409#L445 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 505#L438 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 429#L453 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 387#L409 assume main_~tmp~5 != 0;assume { :begin_inline_setup } true; 388#L383 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 514#L55-3 [2018-11-10 12:21:17,460 INFO L795 eck$LassoCheckResult]: Loop: 514#L55-3 assume true; 515#L55-1 assume !false; 463#L56 assume test_~splverifierCounter~0 < 4; 464#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 420#L65 assume !(test_~tmp~0 != 0); 410#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 411#L75 assume !(test_~tmp___0~0 != 0); 458#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 459#L85 assume test_~tmp___2~0 != 0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 470#L320 assume { :end_inline_startSystem } true; 471#L93-2 assume { :begin_inline_timeShift } true; 444#L128 assume !(~pumpRunning~0 != 0); 405#L128-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 389#L186 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 390#L160-2 assume !(~pumpRunning~0 == 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 472#L152-3 assume { :end_inline_processEnvironment__wrappee__base } true; 469#L160-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 430#L186-1 assume { :end_inline_processEnvironment } true; 431#L135-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 499#L537-3 __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 424#L475 assume !(__utac_acc__Specification1_spec__1_~tmp~6 != 0); 425#L475-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 432#L145 assume { :end_inline_timeShift } true; 514#L55-3 [2018-11-10 12:21:17,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-10 12:21:17,460 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:21:17,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,505 INFO L82 PathProgramCache]: Analyzing trace with hash -2052354461, now seen corresponding path program 1 times [2018-11-10 12:21:17,505 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,506 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 12:21:17,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:21:17,536 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 12:21:17,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:21:17,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:21:17,537 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 12:21:17,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:21:17,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:21:17,537 INFO L87 Difference]: Start difference. First operand 170 states and 222 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-10 12:21:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:21:17,621 INFO L93 Difference]: Finished difference Result 234 states and 293 transitions. [2018-11-10 12:21:17,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:21:17,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 234 states and 293 transitions. [2018-11-10 12:21:17,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2018-11-10 12:21:17,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 234 states to 234 states and 293 transitions. [2018-11-10 12:21:17,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2018-11-10 12:21:17,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2018-11-10 12:21:17,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 293 transitions. [2018-11-10 12:21:17,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 12:21:17,630 INFO L705 BuchiCegarLoop]: Abstraction has 234 states and 293 transitions. [2018-11-10 12:21:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 293 transitions. [2018-11-10 12:21:17,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-11-10 12:21:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-10 12:21:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 293 transitions. [2018-11-10 12:21:17,640 INFO L728 BuchiCegarLoop]: Abstraction has 234 states and 293 transitions. [2018-11-10 12:21:17,640 INFO L608 BuchiCegarLoop]: Abstraction has 234 states and 293 transitions. [2018-11-10 12:21:17,640 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 12:21:17,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 293 transitions. [2018-11-10 12:21:17,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2018-11-10 12:21:17,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:21:17,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:21:17,644 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:17,644 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:21:17,644 INFO L793 eck$LassoCheckResult]: Stem: 944#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 := 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~string9.base, #t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 110];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 44];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 80];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 117];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 109];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 4 := 112];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 5 := 58];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 110];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 41];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 32];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 10];#memory_int := #memory_int[#t~string23.base,#t~string23.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~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 := 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~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 44];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 77];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 101];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 116];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 4 := 104];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 5 := 58];#memory_int := #memory_int[#t~string32.base,#t~string32.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~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 67];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 82];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 2 := 73];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 3 := 84];#memory_int := #memory_int[#t~string34.base,#t~string34.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~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 79];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 75];#memory_int := #memory_int[#t~string36.base,#t~string36.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~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 0 := 41];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 1 := 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~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 := 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~string58.base, #t~string58.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~string59.base, #t~string59.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~string60.base, #t~string60.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~string61.base, #t~string61.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~string62.base, #t~string62.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~string66.base, #t~string66.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~string67.base, #t~string67.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~string68.base, #t~string68.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~string69.base, #t~string69.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~string70.base, #t~string70.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 816#L445 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 912#L438 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 834#L453 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 791#L409 assume main_~tmp~5 != 0;assume { :begin_inline_setup } true; 792#L383 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 920#L55-3 [2018-11-10 12:21:17,645 INFO L795 eck$LassoCheckResult]: Loop: 920#L55-3 assume true; 921#L55-1 assume !false; 866#L56 assume test_~splverifierCounter~0 < 4; 867#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 823#L65 assume !(test_~tmp~0 != 0); 817#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 818#L75 assume !(test_~tmp___0~0 != 0); 862#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 863#L85 assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 952#L93 assume test_~tmp___1~0 != 0; 875#L93-2 assume { :begin_inline_timeShift } true; 849#L128 assume !(~pumpRunning~0 != 0); 812#L128-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 793#L186 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 794#L160-2 assume ~pumpRunning~0 == 0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 810#L577-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 811#L582-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 851#L305-3 assume isHighWaterLevel_~tmp~4 != 0;isHighWaterLevel_~tmp___0~1 := 0; 948#L305-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 939#L311-1 processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; 825#L164-3 assume !(processEnvironment__wrappee__methaneQuery_~tmp~1 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 827#L152-2 assume { :end_inline_processEnvironment__wrappee__base } true; 882#L160-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 933#L186-1 assume { :end_inline_processEnvironment } true; 1000#L135-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 999#L537-3 __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; 997#L475 assume !(__utac_acc__Specification1_spec__1_~tmp~6 != 0); 995#L475-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 962#L145 assume { :end_inline_timeShift } true; 920#L55-3 [2018-11-10 12:21:17,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-10 12:21:17,645 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:21:17,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash 169201850, now seen corresponding path program 1 times [2018-11-10 12:21:17,691 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,692 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 12:21:17,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:21:17,702 INFO L82 PathProgramCache]: Analyzing trace with hash 43467126, now seen corresponding path program 1 times [2018-11-10 12:21:17,702 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:21:17,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:21:17,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:21:17,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:21:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:21:17,868 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-11-10 12:22:27,469 WARN L179 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-11-10 12:23:06,553 WARN L179 SmtUtils]: Spent 39.08 s on a formula simplification that was a NOOP. DAG size: 403 [2018-11-10 12:23:06,615 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:23:06,616 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:23:06,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:23:06 BoogieIcfgContainer [2018-11-10 12:23:06,631 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 12:23:06,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:23:06,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:23:06,631 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:23:06,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:21:16" (3/4) ... [2018-11-10 12:23:06,636 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 12:23:06,684 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18331a8e-a856-442b-aed8-fc4275b3fe2f/bin-2019/uautomizer/witness.graphml [2018-11-10 12:23:06,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:23:06,685 INFO L168 Benchmark]: Toolchain (without parser) took 111099.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,686 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:23:06,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 936.0 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,687 INFO L168 Benchmark]: Boogie Preprocessor took 33.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,687 INFO L168 Benchmark]: RCFGBuilder took 676.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,687 INFO L168 Benchmark]: BuchiAutomizer took 109885.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.7 MB). Peak memory consumption was 287.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,688 INFO L168 Benchmark]: Witness Printer took 53.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:23:06,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 936.0 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 676.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 109885.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.7 MB). Peak memory consumption was 287.8 MB. Max. memory is 11.5 GB. * Witness Printer took 53.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 234 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 109.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 109.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 234 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 434 SDtfs, 847 SDslu, 99 SDs, 0 SdLazy, 38 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: Nontermination argument in form of an infinite program execution. [2018-11-10 12:23:06,695 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:23:06,696 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:23:06,699 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:23:06,700 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 {",Pump:"=14, NULL=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@698119bd=0, retValue_acc=0, "__utac__get_this_argtype"=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c078c69=156, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@735a2259=0, "i > 0 && i <= this->argsCount"=0, ")"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fd9487d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3454a4e4=0, "On"=15, methaneLevelCritical=0, NULL=25, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4485da1=0, "__utac__get_this_argtype"=27, "libacc.c"=0, tmp___1=156, "\n"=18, tmp___0=0, "OK"=36, cleanupTimeShifts=4, tmp=0, "CRIT"=24, "On"=23, "\n"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=38, ",Meth:"=0, "Env(Water:%i"=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@528d6c96=0, "libacc.c"=35, retValue_acc=0, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fd33cc6=0, "i > 0 && i <= this->argsCount"=33, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=8, \result=0, ") "=20, tmp=0, "Off"=0, "OK"=0, "i > 0 && i <= this->argsCount"=28, "libacc.c"=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26c84261=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@190c73f4=0, "CRIT"=0, tmp=1, "On"=0, retValue_acc=1, \result=1, "libacc.c"=26, "libacc.c"=31, NULL=0, "__utac__get_this_argtype"=0, tmp=1, tmp___2=0, "Env(Water:%i"=19, splverifierCounter=0, "__utac__get_this_arg"=0, "Pump(System:"=0, \result=0, "Pump(System:"=16, "libacc.c"=39, "__utac__get_this_arg"=34, tmp=0, head=0, tmp=0, "Off"=22, ",Meth:"=37, "Off"=0, NULL=42, "On"=0, "__utac__get_this_arg"=29, "Off"=12} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L265] CALL "Pump(System:" [L265] RET "Pump(System:" [L269] CALL "On" [L269] RET "On" [L273] CALL "Off" [L273] RET "Off" [L277] CALL ",Pump:" [L277] RET ",Pump:" [L281] CALL "On" [L281] RET "On" [L285] CALL "Off" [L285] RET "Off" [L289] CALL ") " [L289] RET ") " [L291] CALL "\n" [L291] RET "\n" [L546] CALL "Env(Water:%i" [L546] RET "Env(Water:%i" [L547] CALL ",Meth:" [L547] RET ",Meth:" [L551] CALL "CRIT" [L551] RET "CRIT" [L555] CALL "OK" [L555] RET "OK" [L559] CALL ")" [L559] RET ")" [L885] CALL "i > 0 && i <= this->argsCount" [L885] RET "i > 0 && i <= this->argsCount" [L885] CALL "libacc.c" [L885] RET "libacc.c" [L886] CALL "__utac__get_this_arg" [L886] RET "__utac__get_this_arg" [L892] CALL "i > 0 && i <= this->argsCount" [L892] RET "i > 0 && i <= this->argsCount" [L892] CALL "libacc.c" [L892] RET "libacc.c" [L893] CALL "__utac__get_this_arg" [L893] RET "__utac__get_this_arg" [L931] CALL "i > 0 && i <= this->argsCount" [L931] RET "i > 0 && i <= this->argsCount" [L931] CALL "libacc.c" [L931] RET "libacc.c" [L932] CALL "__utac__get_this_argtype" [L932] RET "__utac__get_this_argtype" [L938] CALL "i > 0 && i <= this->argsCount" [L938] RET "i > 0 && i <= this->argsCount" [L938] CALL "libacc.c" [L938] RET "libacc.c" [L939] CALL "__utac__get_this_argtype" [L939] RET "__utac__get_this_argtype" [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L324] int cleanupTimeShifts = 4; [L494] int waterLevel = 1; [L495] int methaneLevelCritical = 0; [L757] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L400] int retValue_acc ; [L401] int tmp ; [L405] FCALL select_helpers() [L406] FCALL select_features() [L407] CALL, EXPR valid_product() [L449] int retValue_acc ; [L452] retValue_acc = 1 [L453] RET return (retValue_acc); [L407] EXPR valid_product() [L407] tmp = valid_product() [L409] COND TRUE \read(tmp) [L411] FCALL setup() [L412] CALL runTest() [L391] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L91] tmp___1 = __VERIFIER_nondet_int() [L93] COND TRUE \read(tmp___1) [L100] CALL timeShift() [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L183] int tmp ; [L186] COND FALSE !(\read(pumpRunning)) [L201] CALL processEnvironment__wrappee__methaneQuery() [L157] int tmp ; [L160] COND TRUE ! pumpRunning [L162] CALL, EXPR isHighWaterLevel() [L297] int retValue_acc ; [L298] int tmp ; [L299] int tmp___0 ; [L303] CALL, EXPR isHighWaterSensorDry() [L574] int retValue_acc ; [L577] COND TRUE waterLevel < 2 [L578] retValue_acc = 1 [L579] RET return (retValue_acc); [L303] EXPR isHighWaterSensorDry() [L303] tmp = isHighWaterSensorDry() [L305] COND TRUE \read(tmp) [L306] tmp___0 = 0 [L310] retValue_acc = tmp___0 [L311] RET return (retValue_acc); [L162] EXPR isHighWaterLevel() [L162] tmp = isHighWaterLevel() [L164] COND FALSE !(\read(tmp)) [L170] RET, FCALL processEnvironment__wrappee__base() [L201] RET processEnvironment__wrappee__methaneQuery() [L137] processEnvironment() [L143] CALL __utac_acc__Specification1_spec__1() [L468] int tmp ; [L469] int tmp___0 ; [L473] CALL, EXPR isMethaneLevelCritical() [L533] int retValue_acc ; [L536] retValue_acc = methaneLevelCritical [L537] RET return (retValue_acc); [L473] EXPR isMethaneLevelCritical() [L473] tmp = isMethaneLevelCritical() [L475] COND FALSE, RET !(\read(tmp)) [L143] RET __utac_acc__Specification1_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...