./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52_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_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/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 eb59a6e6bbeea05d6faf844d6f750609a5360ad9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:41:36,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:41:36,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:41:36,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:41:36,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:41:36,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:41:36,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:41:36,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:41:36,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:41:36,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:41:36,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:41:36,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:41:36,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:41:36,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:41:36,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:41:36,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:41:36,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:41:36,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:41:36,032 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:41:36,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:41:36,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:41:36,035 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:41:36,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:41:36,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:41:36,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:41:36,037 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:41:36,038 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:41:36,038 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:41:36,039 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:41:36,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:41:36,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:41:36,041 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:41:36,041 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:41:36,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:41:36,042 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:41:36,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:41:36,042 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:41:36,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:41:36,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:41:36,055 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:41:36,055 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:41:36,055 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:41:36,056 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:41:36,056 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:41:36,056 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:41:36,056 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:41:36,056 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:41:36,056 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:41:36,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:41:36,057 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:41:36,057 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:41:36,057 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:41:36,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:41:36,057 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:41:36,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:41:36,058 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:41:36,059 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:41:36,059 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:41:36,059 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:41:36,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:41:36,061 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:41:36,061 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:41:36,062 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:41:36,062 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_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/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 -> eb59a6e6bbeea05d6faf844d6f750609a5360ad9 [2018-11-18 11:41:36,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:41:36,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:41:36,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:41:36,097 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:41:36,097 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:41:36,098 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product52_false-unreach-call_false-termination.cil.c [2018-11-18 11:41:36,139 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/data/68d8aba39/fc3b4f8631e04a6d8185db86da0aab64/FLAGb8f9d5e5a [2018-11-18 11:41:36,465 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:41:36,466 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/sv-benchmarks/c/product-lines/minepump_spec1_product52_false-unreach-call_false-termination.cil.c [2018-11-18 11:41:36,472 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/data/68d8aba39/fc3b4f8631e04a6d8185db86da0aab64/FLAGb8f9d5e5a [2018-11-18 11:41:36,484 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/data/68d8aba39/fc3b4f8631e04a6d8185db86da0aab64 [2018-11-18 11:41:36,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:41:36,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:41:36,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:41:36,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:41:36,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:41:36,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36, skipping insertion in model container [2018-11-18 11:41:36,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:41:36,529 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:41:36,725 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:41:36,734 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:41:36,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:41:36,857 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:41:36,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36 WrapperNode [2018-11-18 11:41:36,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:41:36,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:41:36,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:41:36,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:41:36,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:41:36,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:41:36,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:41:36,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:41:36,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... [2018-11-18 11:41:36,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:41:36,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:41:36,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:41:36,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:41:36,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/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 11:41:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:41:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:41:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:41:37,599 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:41:37,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:41:37 BoogieIcfgContainer [2018-11-18 11:41:37,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:41:37,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:41:37,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:41:37,602 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:41:37,603 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:41:37,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:41:36" (1/3) ... [2018-11-18 11:41:37,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4099b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:41:37, skipping insertion in model container [2018-11-18 11:41:37,604 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:41:37,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:36" (2/3) ... [2018-11-18 11:41:37,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4099b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:41:37, skipping insertion in model container [2018-11-18 11:41:37,604 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:41:37,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:41:37" (3/3) ... [2018-11-18 11:41:37,606 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product52_false-unreach-call_false-termination.cil.c [2018-11-18 11:41:37,642 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:41:37,642 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:41:37,642 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:41:37,642 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:41:37,642 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:41:37,642 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:41:37,643 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:41:37,643 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:41:37,643 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:41:37,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 11:41:37,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2018-11-18 11:41:37,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:41:37,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:41:37,684 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:37,684 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:37,685 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:41:37,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 11:41:37,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2018-11-18 11:41:37,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:41:37,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:41:37,691 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:37,691 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:37,695 INFO L794 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];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(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 155#L971true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#L964true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 164#L979true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 89#L543true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 147#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 120#L399-3true [2018-11-18 11:41:37,696 INFO L796 eck$LassoCheckResult]: Loop: 120#L399-3true assume true; 117#L399-1true assume !false; 77#L400true assume test_~splverifierCounter~0 < 4; 169#L401true test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 3#L409true assume !(0 != test_~tmp~4); 6#L409-2true test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 84#L419true assume !(0 != test_~tmp___0~2); 86#L419-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 137#L429true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 85#L375true assume { :end_inline_startSystem } true; 140#L437-2true assume { :begin_inline_timeShift } true; 63#L166true assume !(0 != ~pumpRunning~0); 81#L166-2true assume !(0 != ~systemActive~0); 144#L173-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 96#L91true __utac_acc__Specification1_spec__1_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; 88#L565true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 66#L565-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 54#L183true assume { :end_inline_timeShift } true; 120#L399-3true [2018-11-18 11:41:37,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:37,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:41:37,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:37,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:37,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:37,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:41:37,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:37,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:37,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1020295789, now seen corresponding path program 1 times [2018-11-18 11:41:37,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:37,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:37,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:37,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:41:37,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:37,914 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 11:41:37,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:41:37,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:41:37,918 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:41:37,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:41:37,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:41:37,928 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2018-11-18 11:41:37,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:41:37,993 INFO L93 Difference]: Finished difference Result 323 states and 427 transitions. [2018-11-18 11:41:37,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:41:37,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 323 states and 427 transitions. [2018-11-18 11:41:38,001 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 212 [2018-11-18 11:41:38,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 323 states to 303 states and 406 transitions. [2018-11-18 11:41:38,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2018-11-18 11:41:38,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2018-11-18 11:41:38,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 406 transitions. [2018-11-18 11:41:38,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:41:38,013 INFO L705 BuchiCegarLoop]: Abstraction has 303 states and 406 transitions. [2018-11-18 11:41:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 406 transitions. [2018-11-18 11:41:38,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2018-11-18 11:41:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-11-18 11:41:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 402 transitions. [2018-11-18 11:41:38,048 INFO L728 BuchiCegarLoop]: Abstraction has 300 states and 402 transitions. [2018-11-18 11:41:38,048 INFO L608 BuchiCegarLoop]: Abstraction has 300 states and 402 transitions. [2018-11-18 11:41:38,048 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:41:38,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states and 402 transitions. [2018-11-18 11:41:38,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 11:41:38,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:41:38,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:41:38,052 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:38,052 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:38,052 INFO L794 eck$LassoCheckResult]: Stem: 669#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];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(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 523#L971 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 626#L964 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 627#L979 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 635#L543 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 636#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 685#L399-3 [2018-11-18 11:41:38,052 INFO L796 eck$LassoCheckResult]: Loop: 685#L399-3 assume true; 710#L399-1 assume !false; 709#L400 assume test_~splverifierCounter~0 < 4; 708#L401 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 706#L409 assume !(0 != test_~tmp~4); 704#L409-2 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 702#L419 assume !(0 != test_~tmp___0~2); 700#L419-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 699#L429 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 628#L375 assume { :end_inline_startSystem } true; 629#L437-2 assume { :begin_inline_timeShift } true; 592#L166 assume !(0 != ~pumpRunning~0); 593#L166-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 624#L224 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 674#L198-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 640#L190-3 assume { :end_inline_processEnvironment__wrappee__base } true; 641#L198-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 597#L224-1 assume { :end_inline_processEnvironment } true; 598#L173-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 714#L91 __utac_acc__Specification1_spec__1_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; 713#L565 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 712#L565-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 711#L183 assume { :end_inline_timeShift } true; 685#L399-3 [2018-11-18 11:41:38,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:38,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:41:38,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:38,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:38,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:41:38,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:38,108 INFO L82 PathProgramCache]: Analyzing trace with hash 144689410, now seen corresponding path program 1 times [2018-11-18 11:41:38,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:38,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:38,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,109 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:41:38,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:38,128 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 11:41:38,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:41:38,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:41:38,129 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:41:38,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:41:38,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:41:38,130 INFO L87 Difference]: Start difference. First operand 300 states and 402 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-11-18 11:41:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:41:38,207 INFO L93 Difference]: Finished difference Result 416 states and 535 transitions. [2018-11-18 11:41:38,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:41:38,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 416 states and 535 transitions. [2018-11-18 11:41:38,211 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 299 [2018-11-18 11:41:38,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 416 states to 416 states and 535 transitions. [2018-11-18 11:41:38,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 416 [2018-11-18 11:41:38,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 416 [2018-11-18 11:41:38,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 416 states and 535 transitions. [2018-11-18 11:41:38,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:41:38,217 INFO L705 BuchiCegarLoop]: Abstraction has 416 states and 535 transitions. [2018-11-18 11:41:38,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states and 535 transitions. [2018-11-18 11:41:38,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2018-11-18 11:41:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-11-18 11:41:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 535 transitions. [2018-11-18 11:41:38,232 INFO L728 BuchiCegarLoop]: Abstraction has 416 states and 535 transitions. [2018-11-18 11:41:38,232 INFO L608 BuchiCegarLoop]: Abstraction has 416 states and 535 transitions. [2018-11-18 11:41:38,232 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:41:38,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 416 states and 535 transitions. [2018-11-18 11:41:38,234 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 299 [2018-11-18 11:41:38,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:41:38,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:41:38,235 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:38,235 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:41:38,236 INFO L794 eck$LassoCheckResult]: Stem: 1376#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];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(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 1247#L971 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1338#L964 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1339#L979 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 1346#L543 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1347#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1387#L399-3 [2018-11-18 11:41:38,236 INFO L796 eck$LassoCheckResult]: Loop: 1387#L399-3 assume true; 1585#L399-1 assume !false; 1583#L400 assume test_~splverifierCounter~0 < 4; 1584#L401 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 1630#L409 assume !(0 != test_~tmp~4); 1628#L409-2 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 1626#L419 assume !(0 != test_~tmp___0~2); 1624#L419-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 1623#L429 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; 1622#L437 assume !(0 != test_~tmp___1~0); 1342#L437-2 assume { :begin_inline_timeShift } true; 1621#L166 assume !(0 != ~pumpRunning~0); 1336#L166-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1323#L224 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1324#L198-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1263#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1264#L136-1 isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; 1277#L326-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1280#L326-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 1236#L332-1 processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; 1237#L202-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1279#L190-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1595#L198-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1593#L224-1 assume { :end_inline_processEnvironment } true; 1592#L173-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1591#L91 __utac_acc__Specification1_spec__1_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; 1588#L565 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 1587#L565-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1586#L183 assume { :end_inline_timeShift } true; 1387#L399-3 [2018-11-18 11:41:38,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:38,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:41:38,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:38,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:38,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:41:38,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:38,281 INFO L82 PathProgramCache]: Analyzing trace with hash 141095980, now seen corresponding path program 1 times [2018-11-18 11:41:38,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:38,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:38,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,283 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:41:38,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:38,297 INFO L82 PathProgramCache]: Analyzing trace with hash 15361256, now seen corresponding path program 1 times [2018-11-18 11:41:38,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:41:38,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:41:38,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:41:38,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:41:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:41:38,454 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-11-18 11:42:11,038 WARN L180 SmtUtils]: Spent 32.54 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:42:23,256 WARN L180 SmtUtils]: Spent 12.22 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:42:23,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:42:23 BoogieIcfgContainer [2018-11-18 11:42:23,329 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:42:23,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:42:23,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:42:23,329 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:42:23,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:41:37" (3/4) ... [2018-11-18 11:42:23,333 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:42:23,398 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0129de2d-d2ab-48ac-bf42-d9ee4cc33679/bin-2019/uautomizer/witness.graphml [2018-11-18 11:42:23,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:42:23,398 INFO L168 Benchmark]: Toolchain (without parser) took 46911.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.1 MB in the beginning and 959.6 MB in the end (delta: -8.5 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,399 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:42:23,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,400 INFO L168 Benchmark]: Boogie Preprocessor took 33.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,400 INFO L168 Benchmark]: RCFGBuilder took 655.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,400 INFO L168 Benchmark]: BuchiAutomizer took 45728.94 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 994.5 MB in the beginning and 964.5 MB in the end (delta: 30.0 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,401 INFO L168 Benchmark]: Witness Printer took 68.76 ms. Allocated memory is still 1.2 GB. Free memory was 964.5 MB in the beginning and 959.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:42:23,403 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 655.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45728.94 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 994.5 MB in the beginning and 964.5 MB in the end (delta: 30.0 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. * Witness Printer took 68.76 ms. Allocated memory is still 1.2 GB. Free memory was 964.5 MB in the beginning and 959.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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 3 locations. The remainder module has 416 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 45.3s. Construction of modules took 0.0s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 416 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 422 SDtfs, 351 SDslu, 304 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 399]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "Env(Water:%i"=11, "OK"=12, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c60981a=0, retValue_acc=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=31, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58b7f1ce=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35881f80=0, tmp=0, ",Pump:"=37, "\n"=33, cleanupTimeShifts=4, tmp___0=0, "Pump(System:"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a33d7c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@715f4bbc=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=38, "Pump(System:"=0, "__utac__get_this_arg"=28, \result=0, "libacc.c"=26, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=18, head=0, pumpRunning=0, "libacc.c"=29, \result=0, tmp=0, "libacc.c"=22, retValue_acc=1, "__utac__get_this_argtype"=0, "On"=0, tmp=1, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23ab56d9=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed53cbf=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=24, "On"=36, tmp=1, "CRIT"=15, tmp___2=0, tmp___0=0, ") "=34, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=14, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a377934=0, "i > 0 && i <= this->argsCount"=27, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@167ef8f6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3681d0ea=0, head=0, ") "=0, "\n"=0, "Off"=35, "Off"=0, ",Pump:"=0, "On"=17, ",Meth:"=16, "On"=0, "i > 0 && i <= this->argsCount"=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 399]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L100] FCALL "Env(Water:%i" [L101] FCALL ",Meth:" [L105] FCALL "CRIT" [L109] FCALL "OK" [L113] FCALL ")" [L286] FCALL "Pump(System:" [L290] FCALL "On" [L294] FCALL "Off" [L298] FCALL ",Pump:" [L302] FCALL "On" [L306] FCALL "Off" [L310] FCALL ") " [L312] FCALL "\n" [L880] FCALL "i > 0 && i <= this->argsCount" [L880] FCALL "libacc.c" [L881] FCALL "__utac__get_this_arg" [L887] FCALL "i > 0 && i <= this->argsCount" [L887] FCALL "libacc.c" [L888] FCALL "__utac__get_this_arg" [L926] FCALL "i > 0 && i <= this->argsCount" [L926] FCALL "libacc.c" [L927] FCALL "__utac__get_this_argtype" [L933] FCALL "i > 0 && i <= this->argsCount" [L933] FCALL "libacc.c" [L934] FCALL "__utac__get_this_argtype" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L458] int cleanupTimeShifts = 4; [L752] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L975] int retValue_acc ; [L978] retValue_acc = 1 [L979] RET return (retValue_acc); [L541] EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L525] CALL test() [L390] int splverifierCounter ; [L391] int tmp ; [L392] int tmp___0 ; [L393] int tmp___1 ; [L394] int tmp___2 ; [L397] splverifierCounter = 0 Loop: [L399] COND TRUE 1 [L401] COND TRUE splverifierCounter < 4 [L407] tmp = __VERIFIER_nondet_int() [L409] COND FALSE !(\read(tmp)) [L417] tmp___0 = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp___0)) [L427] tmp___2 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___2)) [L435] tmp___1 = __VERIFIER_nondet_int() [L437] COND FALSE !(\read(tmp___1)) [L446] CALL timeShift() [L166] COND FALSE !(\read(pumpRunning)) [L173] COND TRUE \read(systemActive) [L175] CALL processEnvironment() [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L239] CALL processEnvironment__wrappee__highWaterSensor() [L195] int tmp ; [L198] COND TRUE ! pumpRunning [L200] CALL, EXPR isHighWaterLevel() [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L324] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L324] EXPR isHighWaterSensorDry() [L324] tmp = isHighWaterSensorDry() [L326] COND TRUE \read(tmp) [L327] tmp___0 = 0 [L331] retValue_acc = tmp___0 [L332] RET return (retValue_acc); [L200] EXPR isHighWaterLevel() [L200] tmp = isHighWaterLevel() [L202] COND FALSE !(\read(tmp)) [L208] RET, FCALL processEnvironment__wrappee__base() [L239] RET processEnvironment__wrappee__highWaterSensor() [L175] processEnvironment() [L181] CALL __utac_acc__Specification1_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR isMethaneLevelCritical() [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] RET return (retValue_acc); [L563] EXPR isMethaneLevelCritical() [L563] tmp = isMethaneLevelCritical() [L565] COND FALSE, RET !(\read(tmp)) [L181] RET __utac_acc__Specification1_spec__1() [L446] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...