./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/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 cad5f4eca7a20f7ca6dddfa07fda554bac28f7be ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:30:11,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:30:11,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:30:11,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:30:11,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:30:11,625 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:30:11,625 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:30:11,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:30:11,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:30:11,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:30:11,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:30:11,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:30:11,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:30:11,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:30:11,632 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:30:11,632 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:30:11,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:30:11,634 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:30:11,636 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:30:11,637 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:30:11,638 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:30:11,639 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:30:11,641 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:30:11,641 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:30:11,641 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:30:11,642 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:30:11,643 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:30:11,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:30:11,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:30:11,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:30:11,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:30:11,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:30:11,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:30:11,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:30:11,646 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:30:11,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:30:11,647 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:30:11,658 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:30:11,659 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:30:11,659 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:30:11,660 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:30:11,660 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:30:11,660 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:30:11,660 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:30:11,660 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:30:11,660 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:30:11,660 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:30:11,661 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:30:11,661 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:30:11,662 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:30:11,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:30:11,662 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:30:11,662 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:30:11,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:30:11,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:30:11,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:30:11,663 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:30:11,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:30:11,663 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:30:11,663 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:30:11,664 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:30:11,664 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_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/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 -> cad5f4eca7a20f7ca6dddfa07fda554bac28f7be [2018-11-18 11:30:11,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:30:11,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:30:11,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:30:11,697 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:30:11,697 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:30:11,698 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-11-18 11:30:11,739 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/data/f84463f55/5f0ebf5e08b649059310dffcfbe63a68/FLAGba83c4adb [2018-11-18 11:30:12,108 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:30:12,109 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-11-18 11:30:12,118 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/data/f84463f55/5f0ebf5e08b649059310dffcfbe63a68/FLAGba83c4adb [2018-11-18 11:30:12,499 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/data/f84463f55/5f0ebf5e08b649059310dffcfbe63a68 [2018-11-18 11:30:12,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:30:12,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:30:12,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:30:12,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:30:12,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:30:12,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12, skipping insertion in model container [2018-11-18 11:30:12,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:30:12,544 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:30:12,729 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:30:12,738 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:30:12,848 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:30:12,866 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:30:12,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12 WrapperNode [2018-11-18 11:30:12,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:30:12,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:30:12,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:30:12,867 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:30:12,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:30:12,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:30:12,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:30:12,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:30:12,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... [2018-11-18 11:30:12,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:30:12,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:30:12,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:30:12,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:30:12,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:30:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:30:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:30:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:30:13,422 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:30:13,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:30:13 BoogieIcfgContainer [2018-11-18 11:30:13,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:30:13,423 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:30:13,423 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:30:13,426 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:30:13,426 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:30:13,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:30:12" (1/3) ... [2018-11-18 11:30:13,427 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c7b335d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:30:13, skipping insertion in model container [2018-11-18 11:30:13,427 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:30:13,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:30:12" (2/3) ... [2018-11-18 11:30:13,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c7b335d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:30:13, skipping insertion in model container [2018-11-18 11:30:13,428 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:30:13,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:30:13" (3/3) ... [2018-11-18 11:30:13,430 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-11-18 11:30:13,462 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:30:13,463 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:30:13,463 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:30:13,463 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:30:13,463 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:30:13,463 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:30:13,463 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:30:13,463 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:30:13,463 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:30:13,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 11:30:13,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 11:30:13,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:30:13,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:30:13,500 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:13,500 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:13,500 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:30:13,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 11:30:13,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 11:30:13,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:30:13,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:30:13,505 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:13,506 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:13,509 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 10#L811true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 63#L804true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 15#L819true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 45#L400true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 97#L374true 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; 74#L55-3true [2018-11-18 11:30:13,509 INFO L796 eck$LassoCheckResult]: Loop: 74#L55-3true assume true; 90#L55-1true assume !false; 43#L56true assume test_~splverifierCounter~0 < 4; 112#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 16#L65true assume !(0 != test_~tmp~0); 12#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 56#L75true assume !(0 != test_~tmp___0~0); 37#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 102#L85true assume 0 != test_~tmp___2~0; 80#L91-2true assume { :begin_inline_timeShift } true; 35#L155true assume !(0 != ~pumpRunning~0); 47#L155-2true assume !(0 != ~systemActive~0); 103#L162-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4, __utac_acc__Specification4_spec__1_#t~ret5, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 5#L899true __utac_acc__Specification4_spec__1_#t~ret4 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret4;havoc __utac_acc__Specification4_spec__1_#t~ret4; 108#L123true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 107#L123-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 30#L172true assume { :end_inline_timeShift } true; 74#L55-3true [2018-11-18 11:30:13,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:13,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:30:13,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:13,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:13,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:13,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:13,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:13,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:13,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1175262707, now seen corresponding path program 1 times [2018-11-18 11:30:13,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:13,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:13,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:13,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:13,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:13,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:13,683 INFO L82 PathProgramCache]: Analyzing trace with hash 243581103, now seen corresponding path program 1 times [2018-11-18 11:30:13,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:13,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:13,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:13,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:13,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:30:13,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:30:13,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:30:13,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:30:13,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:30:13,887 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 6 states. [2018-11-18 11:30:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:14,040 INFO L93 Difference]: Finished difference Result 275 states and 353 transitions. [2018-11-18 11:30:14,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:30:14,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 353 transitions. [2018-11-18 11:30:14,049 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2018-11-18 11:30:14,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 245 states and 323 transitions. [2018-11-18 11:30:14,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 245 [2018-11-18 11:30:14,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 245 [2018-11-18 11:30:14,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 245 states and 323 transitions. [2018-11-18 11:30:14,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:30:14,060 INFO L705 BuchiCegarLoop]: Abstraction has 245 states and 323 transitions. [2018-11-18 11:30:14,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states and 323 transitions. [2018-11-18 11:30:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 152. [2018-11-18 11:30:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 11:30:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 200 transitions. [2018-11-18 11:30:14,088 INFO L728 BuchiCegarLoop]: Abstraction has 152 states and 200 transitions. [2018-11-18 11:30:14,088 INFO L608 BuchiCegarLoop]: Abstraction has 152 states and 200 transitions. [2018-11-18 11:30:14,088 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:30:14,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 200 transitions. [2018-11-18 11:30:14,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2018-11-18 11:30:14,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:30:14,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:30:14,091 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:14,091 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:14,091 INFO L794 eck$LassoCheckResult]: Stem: 499#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 417#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~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 415#L811 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 416#L804 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 424#L819 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 425#L400 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 467#L374 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; 448#L55-3 [2018-11-18 11:30:14,092 INFO L796 eck$LassoCheckResult]: Loop: 448#L55-3 assume true; 490#L55-1 assume !false; 465#L56 assume test_~splverifierCounter~0 < 4; 466#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 426#L65 assume !(0 != test_~tmp~0); 418#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 419#L75 assume !(0 != test_~tmp___0~0); 456#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 457#L85 assume 0 != test_~tmp___2~0; 486#L91-2 assume { :begin_inline_timeShift } true; 453#L155 assume !(0 != ~pumpRunning~0); 428#L155-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 469#L187 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 489#L179-1 assume { :end_inline_processEnvironment__wrappee__base } true; 462#L187-1 assume { :end_inline_processEnvironment } true; 494#L162-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4, __utac_acc__Specification4_spec__1_#t~ret5, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 406#L899 __utac_acc__Specification4_spec__1_#t~ret4 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret4;havoc __utac_acc__Specification4_spec__1_#t~ret4; 407#L123 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 491#L123-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 447#L172 assume { :end_inline_timeShift } true; 448#L55-3 [2018-11-18 11:30:14,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:14,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:30:14,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:14,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:14,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:14,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:14,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1059393376, now seen corresponding path program 1 times [2018-11-18 11:30:14,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:14,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:14,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,135 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:30:14,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:30:14,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:30:14,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:30:14,159 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:30:14,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:30:14,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:30:14,160 INFO L87 Difference]: Start difference. First operand 152 states and 200 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-18 11:30:14,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:14,226 INFO L93 Difference]: Finished difference Result 201 states and 253 transitions. [2018-11-18 11:30:14,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:30:14,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 253 transitions. [2018-11-18 11:30:14,229 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2018-11-18 11:30:14,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 201 states and 253 transitions. [2018-11-18 11:30:14,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 201 [2018-11-18 11:30:14,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 201 [2018-11-18 11:30:14,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 253 transitions. [2018-11-18 11:30:14,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:30:14,233 INFO L705 BuchiCegarLoop]: Abstraction has 201 states and 253 transitions. [2018-11-18 11:30:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 253 transitions. [2018-11-18 11:30:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-11-18 11:30:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-18 11:30:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 253 transitions. [2018-11-18 11:30:14,241 INFO L728 BuchiCegarLoop]: Abstraction has 201 states and 253 transitions. [2018-11-18 11:30:14,241 INFO L608 BuchiCegarLoop]: Abstraction has 201 states and 253 transitions. [2018-11-18 11:30:14,241 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:30:14,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 201 states and 253 transitions. [2018-11-18 11:30:14,243 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2018-11-18 11:30:14,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:30:14,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:30:14,244 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:14,244 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] [2018-11-18 11:30:14,244 INFO L794 eck$LassoCheckResult]: Stem: 869#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 776#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~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 774#L811 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 775#L804 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 783#L819 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 784#L400 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 830#L374 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; 875#L55-3 [2018-11-18 11:30:14,244 INFO L796 eck$LassoCheckResult]: Loop: 875#L55-3 assume true; 871#L55-1 assume !false; 872#L56 assume test_~splverifierCounter~0 < 4; 939#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 785#L65 assume !(0 != test_~tmp~0); 777#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 778#L75 assume !(0 != test_~tmp___0~0); 817#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 818#L85 assume 0 != test_~tmp___2~0; 852#L91-2 assume { :begin_inline_timeShift } true; 813#L155 assume !(0 != ~pumpRunning~0); 814#L155-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 832#L187 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 796#L907 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 797#L912 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 831#L289 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~2 := 0; 866#L289-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 841#L295 processEnvironment_#t~ret6 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret6;havoc processEnvironment_#t~ret6; 820#L191 assume !(0 != processEnvironment_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 822#L179 assume { :end_inline_processEnvironment__wrappee__base } true; 857#L187-1 assume { :end_inline_processEnvironment } true; 863#L162-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4, __utac_acc__Specification4_spec__1_#t~ret5, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 944#L899 __utac_acc__Specification4_spec__1_#t~ret4 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret4;havoc __utac_acc__Specification4_spec__1_#t~ret4; 943#L123 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 942#L123-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 941#L172 assume { :end_inline_timeShift } true; 875#L55-3 [2018-11-18 11:30:14,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:30:14,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:14,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:14,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:14,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:14,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1792862440, now seen corresponding path program 1 times [2018-11-18 11:30:14,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:14,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:14,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,286 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:30:14,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:14,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1666421164, now seen corresponding path program 1 times [2018-11-18 11:30:14,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:30:14,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:30:14,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:14,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:30:14,453 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 11:31:01,876 WARN L180 SmtUtils]: Spent 47.39 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:31:22,179 WARN L180 SmtUtils]: Spent 20.30 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:31:22,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:31:22 BoogieIcfgContainer [2018-11-18 11:31:22,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:31:22,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:31:22,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:31:22,245 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:31:22,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:30:13" (3/4) ... [2018-11-18 11:31:22,249 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:31:22,291 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ec3e8dc-1ac1-4936-b35a-6ec6333c7ca1/bin-2019/uautomizer/witness.graphml [2018-11-18 11:31:22,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:31:22,291 INFO L168 Benchmark]: Toolchain (without parser) took 69789.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.3 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -272.3 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:22,292 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 11:31:22,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:22,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:22,293 INFO L168 Benchmark]: Boogie Preprocessor took 26.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:31:22,293 INFO L168 Benchmark]: RCFGBuilder took 483.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:22,293 INFO L168 Benchmark]: BuchiAutomizer took 68821.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -138.2 MB). Peak memory consumption was 310.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:22,294 INFO L168 Benchmark]: Witness Printer took 45.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:22,295 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 483.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 68821.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -138.2 MB). Peak memory consumption was 310.1 MB. Max. memory is 11.5 GB. * Witness Printer took 45.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 201 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 68.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 201 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 280 SDtfs, 610 SDslu, 773 SDs, 0 SdLazy, 64 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {",Pump:"=34, NULL=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=17, "Env(Water:%i"=0, "__utac__get_this_arg"=0, retValue_acc=1, "__utac__get_this_arg"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43dbbe75=0, retValue_acc=0, ")"=40, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d762920=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@561ca81b=165, "Env(Water:%i"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a0f1fa6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57c8a18d=0, "On"=36, "i > 0 && i <= this->argsCount"=16, methaneLevelCritical=0, tmp___0=0, ",Meth:"=0, "OK"=0, retValue_acc=0, "CRIT"=0, tmp___1=0, "\n"=28, tmp___0=0, cleanupTimeShifts=4, tmp=0, "libacc.c"=26, "i > 0 && i <= this->argsCount"=19, "On"=33, "\n"=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d5901a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78a66733=0, NULL=0, systemActive=1, waterLevel=1, "OK"=39, \result=1, "__utac__get_this_argtype"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2efddcc9=0, "__utac__get_this_arg"=0, \result=0, "i > 0 && i <= this->argsCount"=23, "i > 0 && i <= this->argsCount"=27, "libacc.c"=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ab5d4cf=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, "__utac__get_this_arg"=20, "libacc.c"=15, \result=0, ") "=29, tmp=1, "Off"=0, ",Pump:"=0, "On"=0, \result=1, "libacc.c"=22, "CRIT"=11, tmp=1, retValue_acc=1, ")"=0, tmp=1, tmp___2=165, retValue_acc=1, splverifierCounter=0, "Pump(System:"=0, "Pump(System:"=37, tmp=0, head=0, "Off"=31, "Off"=0, "On"=0, "Off"=35, "libacc.c"=18, "libacc.c"=0, ",Meth:"=8} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] FCALL "Pump(System:" [L253] FCALL "On" [L257] FCALL "Off" [L261] FCALL ",Pump:" [L265] FCALL "On" [L269] FCALL "Off" [L273] FCALL ") " [L275] FCALL "\n" [L711] FCALL "i > 0 && i <= this->argsCount" [L711] FCALL "libacc.c" [L712] FCALL "__utac__get_this_arg" [L718] FCALL "i > 0 && i <= this->argsCount" [L718] FCALL "libacc.c" [L719] FCALL "__utac__get_this_arg" [L757] FCALL "i > 0 && i <= this->argsCount" [L757] FCALL "libacc.c" [L758] FCALL "__utac__get_this_argtype" [L764] FCALL "i > 0 && i <= this->argsCount" [L764] FCALL "libacc.c" [L765] FCALL "__utac__get_this_argtype" [L876] FCALL "Env(Water:%i" [L877] FCALL ",Meth:" [L881] FCALL "CRIT" [L885] FCALL "OK" [L889] FCALL ")" [L148] int pumpRunning = 0; [L149] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L824] int waterLevel = 1; [L825] int methaneLevelCritical = 0; [L583] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L391] int retValue_acc ; [L392] int tmp ; [L396] FCALL select_helpers() [L397] FCALL select_features() [L398] CALL, EXPR valid_product() [L815] int retValue_acc ; [L818] retValue_acc = 1 [L819] RET return (retValue_acc); [L398] EXPR valid_product() [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L402] FCALL setup() [L403] CALL runTest() [L382] 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 TRUE \read(tmp___2) [L100] CALL timeShift() [L155] COND FALSE !(\read(pumpRunning)) [L162] COND TRUE \read(systemActive) [L164] CALL processEnvironment() [L184] int tmp ; [L187] COND TRUE ! pumpRunning [L189] CALL, EXPR isHighWaterLevel() [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L287] CALL, EXPR isHighWaterSensorDry() [L904] int retValue_acc ; [L907] COND TRUE waterLevel < 2 [L908] retValue_acc = 1 [L909] RET return (retValue_acc); [L287] EXPR isHighWaterSensorDry() [L287] tmp = isHighWaterSensorDry() [L289] COND TRUE \read(tmp) [L290] tmp___0 = 0 [L294] retValue_acc = tmp___0 [L295] RET return (retValue_acc); [L189] EXPR isHighWaterLevel() [L189] tmp = isHighWaterLevel() [L191] COND FALSE !(\read(tmp)) [L197] RET, FCALL processEnvironment__wrappee__base() [L164] processEnvironment() [L170] CALL __utac_acc__Specification4_spec__1() [L116] int tmp ; [L117] int tmp___0 ; [L121] CALL, EXPR getWaterLevel() [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] RET return (retValue_acc); [L121] EXPR getWaterLevel() [L121] tmp = getWaterLevel() [L123] COND FALSE, RET !(tmp == 0) [L170] RET __utac_acc__Specification4_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...