./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/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 4f6c889e7a16ef76fe9fccec0743002e303bbe32 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:20:26,898 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:20:26,900 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:20:26,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:20:26,908 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:20:26,909 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:20:26,910 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:20:26,911 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:20:26,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:20:26,913 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:20:26,913 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:20:26,913 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:20:26,914 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:20:26,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:20:26,916 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:20:26,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:20:26,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:20:26,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:20:26,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:20:26,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:20:26,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:20:26,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:20:26,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:20:26,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:20:26,927 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:20:26,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:20:26,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:20:26,929 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:20:26,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:20:26,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:20:26,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:20:26,931 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:20:26,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:20:26,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:20:26,933 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:20:26,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:20:26,933 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:20:26,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:20:26,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:20:26,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:20:26,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:20:26,948 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:20:26,948 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:20:26,948 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:20:26,948 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:20:26,948 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:20:26,948 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:20:26,948 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:20:26,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:20:26,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:20:26,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:20:26,950 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:20:26,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:20:26,950 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:20:26,950 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:20:26,952 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:20:26,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:20:26,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:20:26,953 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:20:26,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:20:26,953 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:20:26,953 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:20:26,954 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:20:26,954 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_61395b20-0127-4ae1-9c77-2e58d85531ce/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 -> 4f6c889e7a16ef76fe9fccec0743002e303bbe32 [2018-11-18 14:20:26,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:20:27,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:20:27,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:20:27,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:20:27,012 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:20:27,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-11-18 14:20:27,062 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/data/e3e5f7934/c2e36652b4bd41349fc5f77fa6fd505e/FLAGb276d0f8a [2018-11-18 14:20:27,463 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:20:27,463 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/sv-benchmarks/c/product-lines/minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-11-18 14:20:27,472 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/data/e3e5f7934/c2e36652b4bd41349fc5f77fa6fd505e/FLAGb276d0f8a [2018-11-18 14:20:27,833 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/data/e3e5f7934/c2e36652b4bd41349fc5f77fa6fd505e [2018-11-18 14:20:27,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:20:27,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:20:27,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:20:27,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:20:27,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:20:27,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:27" (1/1) ... [2018-11-18 14:20:27,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de6083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:27, skipping insertion in model container [2018-11-18 14:20:27,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:27" (1/1) ... [2018-11-18 14:20:27,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:20:27,898 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:20:28,113 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:20:28,122 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:20:28,185 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:20:28,229 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:20:28,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28 WrapperNode [2018-11-18 14:20:28,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:20:28,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:20:28,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:20:28,230 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:20:28,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:20:28,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:20:28,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:20:28,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:20:28,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... [2018-11-18 14:20:28,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:20:28,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:20:28,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:20:28,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:20:28,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/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 14:20:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:20:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:20:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:20:29,539 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:20:29,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:29 BoogieIcfgContainer [2018-11-18 14:20:29,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:20:29,541 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:20:29,541 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:20:29,544 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:20:29,544 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:20:29,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:20:27" (1/3) ... [2018-11-18 14:20:29,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fb3cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:20:29, skipping insertion in model container [2018-11-18 14:20:29,546 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:20:29,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:28" (2/3) ... [2018-11-18 14:20:29,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fb3cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:20:29, skipping insertion in model container [2018-11-18 14:20:29,546 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:20:29,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:29" (3/3) ... [2018-11-18 14:20:29,548 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product53_true-unreach-call_false-termination.cil.c [2018-11-18 14:20:29,592 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:20:29,593 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:20:29,593 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:20:29,593 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:20:29,593 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:20:29,593 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:20:29,594 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:20:29,594 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:20:29,594 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:20:29,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states. [2018-11-18 14:20:29,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184 [2018-11-18 14:20:29,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:20:29,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:20:29,648 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:20:29,648 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] [2018-11-18 14:20:29,648 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:20:29,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states. [2018-11-18 14:20:29,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184 [2018-11-18 14:20:29,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:20:29,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:20:29,657 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:20:29,657 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] [2018-11-18 14:20:29,660 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret65, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 253#L669true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 185#L662true 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; 143#L677true main_#t~ret65 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret65;havoc main_#t~ret65; 92#L884true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 197#L860true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 54#L758true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 178#L695-3true [2018-11-18 14:20:29,661 INFO L796 eck$LassoCheckResult]: Loop: 178#L695-3true assume true; 186#L695-1true assume !false; 267#L696true assume test_~splverifierCounter~0 < 4; 79#L697true test_~tmp~8 := test_#t~nondet58;havoc test_#t~nondet58; 111#L705true assume !(0 != test_~tmp~8); 115#L705-2true test_~tmp___0~2 := test_#t~nondet59;havoc test_#t~nondet59; 155#L715true assume !(0 != test_~tmp___0~2); 145#L715-2true test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 57#L725true assume 0 != test_~tmp___2~0; 4#L731-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 88#L565true __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 261#L768true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 31#L428true assume !(0 != ~pumpRunning~0); 37#L428-2true assume !(0 != ~systemActive~0); 122#L435-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 278#L982true __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 260#L779true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 263#L779-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 159#L445true assume { :end_inline_timeShift } true; 178#L695-3true [2018-11-18 14:20:29,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:29,667 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 14:20:29,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:29,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:29,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:29,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:29,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:29,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1725820259, now seen corresponding path program 1 times [2018-11-18 14:20:29,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:29,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:29,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:29,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:29,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:29,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:29,864 INFO L82 PathProgramCache]: Analyzing trace with hash -296071916, now seen corresponding path program 1 times [2018-11-18 14:20:29,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:29,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:29,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:29,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:29,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:30,089 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 14:20:30,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:20:30,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:20:30,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:20:30,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:20:30,291 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 6 states. [2018-11-18 14:20:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:20:30,472 INFO L93 Difference]: Finished difference Result 279 states and 370 transitions. [2018-11-18 14:20:30,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:20:30,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 370 transitions. [2018-11-18 14:20:30,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2018-11-18 14:20:30,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 269 states and 360 transitions. [2018-11-18 14:20:30,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269 [2018-11-18 14:20:30,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2018-11-18 14:20:30,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 360 transitions. [2018-11-18 14:20:30,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:20:30,499 INFO L705 BuchiCegarLoop]: Abstraction has 269 states and 360 transitions. [2018-11-18 14:20:30,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 360 transitions. [2018-11-18 14:20:30,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-11-18 14:20:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-18 14:20:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 360 transitions. [2018-11-18 14:20:30,532 INFO L728 BuchiCegarLoop]: Abstraction has 269 states and 360 transitions. [2018-11-18 14:20:30,532 INFO L608 BuchiCegarLoop]: Abstraction has 269 states and 360 transitions. [2018-11-18 14:20:30,532 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:20:30,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 360 transitions. [2018-11-18 14:20:30,535 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2018-11-18 14:20:30,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:20:30,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:20:30,536 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:20:30,536 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] [2018-11-18 14:20:30,536 INFO L794 eck$LassoCheckResult]: Stem: 794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 587#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret65, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 588#L669 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 819#L662 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; 795#L677 main_#t~ret65 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret65;havoc main_#t~ret65; 731#L884 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 732#L860 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 672#L758 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 673#L695-3 [2018-11-18 14:20:30,536 INFO L796 eck$LassoCheckResult]: Loop: 673#L695-3 assume true; 812#L695-1 assume !false; 820#L696 assume test_~splverifierCounter~0 < 4; 713#L697 test_~tmp~8 := test_#t~nondet58;havoc test_#t~nondet58; 714#L705 assume !(0 != test_~tmp~8); 758#L705-2 test_~tmp___0~2 := test_#t~nondet59;havoc test_#t~nondet59; 763#L715 assume !(0 != test_~tmp___0~2); 796#L715-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 677#L725 assume 0 != test_~tmp___2~0; 583#L731-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 584#L565 __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 728#L768 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 636#L428 assume !(0 != ~pumpRunning~0); 638#L428-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 650#L512 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret38, isMethaneAlarm_~retValue_acc~3;havoc isMethaneAlarm_~retValue_acc~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 789#L950 isMethaneAlarm_#t~ret38 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3 := isMethaneAlarm_#t~ret38;havoc isMethaneAlarm_#t~ret38;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~3; 786#L556 processEnvironment_#t~ret37 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5 := processEnvironment_#t~ret37;havoc processEnvironment_#t~ret37; 621#L516 assume 0 != processEnvironment_~tmp~5;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 622#L546 assume { :end_inline_deactivatePump } true; 793#L512-1 assume { :end_inline_processEnvironment } true; 775#L435-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 776#L982 __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 847#L779 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 830#L779-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 802#L445 assume { :end_inline_timeShift } true; 673#L695-3 [2018-11-18 14:20:30,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:30,537 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 14:20:30,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:30,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:30,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:30,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:30,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:30,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1867777402, now seen corresponding path program 1 times [2018-11-18 14:20:30,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:30,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:30,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:30,586 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:20:30,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:30,623 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 14:20:30,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:20:30,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:20:30,624 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:20:30,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:20:30,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:20:30,625 INFO L87 Difference]: Start difference. First operand 269 states and 360 transitions. cyclomatic complexity: 93 Second operand 3 states. [2018-11-18 14:20:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:20:30,961 INFO L93 Difference]: Finished difference Result 290 states and 367 transitions. [2018-11-18 14:20:30,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:20:30,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 290 states and 367 transitions. [2018-11-18 14:20:30,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 200 [2018-11-18 14:20:30,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 290 states to 290 states and 367 transitions. [2018-11-18 14:20:30,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 290 [2018-11-18 14:20:30,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 290 [2018-11-18 14:20:30,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 290 states and 367 transitions. [2018-11-18 14:20:30,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:20:30,976 INFO L705 BuchiCegarLoop]: Abstraction has 290 states and 367 transitions. [2018-11-18 14:20:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states and 367 transitions. [2018-11-18 14:20:30,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2018-11-18 14:20:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-18 14:20:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 367 transitions. [2018-11-18 14:20:30,987 INFO L728 BuchiCegarLoop]: Abstraction has 290 states and 367 transitions. [2018-11-18 14:20:30,988 INFO L608 BuchiCegarLoop]: Abstraction has 290 states and 367 transitions. [2018-11-18 14:20:30,988 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:20:30,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 290 states and 367 transitions. [2018-11-18 14:20:30,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 200 [2018-11-18 14:20:30,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:20:30,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:20:30,990 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:20:30,990 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, 1, 1, 1] [2018-11-18 14:20:30,990 INFO L794 eck$LassoCheckResult]: Stem: 1312#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret65, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1151#L669 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1341#L662 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; 1313#L677 main_#t~ret65 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret65;havoc main_#t~ret65; 1267#L884 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1268#L860 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1216#L758 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1217#L695-3 [2018-11-18 14:20:30,990 INFO L796 eck$LassoCheckResult]: Loop: 1217#L695-3 assume true; 1334#L695-1 assume !false; 1342#L696 assume test_~splverifierCounter~0 < 4; 1255#L697 test_~tmp~8 := test_#t~nondet58;havoc test_#t~nondet58; 1256#L705 assume !(0 != test_~tmp~8); 1287#L705-2 test_~tmp___0~2 := test_#t~nondet59;havoc test_#t~nondet59; 1291#L715 assume !(0 != test_~tmp___0~2); 1314#L715-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 1222#L725 assume 0 != test_~tmp___2~0; 1146#L731-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1147#L565 __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 1266#L768 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1189#L428 assume !(0 != ~pumpRunning~0); 1190#L428-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1200#L512 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 1308#L486-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1276#L460-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret55, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1277#L990-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1196#L995-3 isHighWaterLevel_#t~ret55 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret55;havoc isHighWaterLevel_#t~ret55; 1197#L614-9 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~0 := 0; 1275#L614-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 1225#L620-3 processEnvironment__wrappee__highWaterSensor_#t~ret35 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret35;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35; 1226#L464-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 1354#L452-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1279#L460-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1280#L486-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1311#L512-1 assume { :end_inline_processEnvironment } true; 1298#L435-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1299#L982 __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 1372#L779 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 1351#L779-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1324#L445 assume { :end_inline_timeShift } true; 1217#L695-3 [2018-11-18 14:20:30,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:30,990 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 14:20:30,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:30,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:30,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:30,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:30,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:31,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:31,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1576806460, now seen corresponding path program 1 times [2018-11-18 14:20:31,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:31,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:31,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:31,050 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:20:31,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:31,229 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 14:20:31,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:20:31,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:20:31,230 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:20:31,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:20:31,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:20:31,231 INFO L87 Difference]: Start difference. First operand 290 states and 367 transitions. cyclomatic complexity: 79 Second operand 5 states. [2018-11-18 14:20:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:20:31,987 INFO L93 Difference]: Finished difference Result 850 states and 1054 transitions. [2018-11-18 14:20:31,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:20:31,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 850 states and 1054 transitions. [2018-11-18 14:20:31,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 539 [2018-11-18 14:20:31,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 850 states to 850 states and 1054 transitions. [2018-11-18 14:20:31,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 850 [2018-11-18 14:20:31,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 850 [2018-11-18 14:20:31,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 850 states and 1054 transitions. [2018-11-18 14:20:31,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:20:31,999 INFO L705 BuchiCegarLoop]: Abstraction has 850 states and 1054 transitions. [2018-11-18 14:20:32,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states and 1054 transitions. [2018-11-18 14:20:32,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 570. [2018-11-18 14:20:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2018-11-18 14:20:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 707 transitions. [2018-11-18 14:20:32,018 INFO L728 BuchiCegarLoop]: Abstraction has 570 states and 707 transitions. [2018-11-18 14:20:32,018 INFO L608 BuchiCegarLoop]: Abstraction has 570 states and 707 transitions. [2018-11-18 14:20:32,018 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 14:20:32,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 570 states and 707 transitions. [2018-11-18 14:20:32,021 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 398 [2018-11-18 14:20:32,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:20:32,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:20:32,022 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:20:32,022 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, 1, 1, 1, 1, 1] [2018-11-18 14:20:32,022 INFO L794 eck$LassoCheckResult]: Stem: 2469#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2306#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret65, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 2307#L669 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2507#L662 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; 2470#L677 main_#t~ret65 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret65;havoc main_#t~ret65; 2424#L884 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 2425#L860 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2374#L758 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2375#L695-3 [2018-11-18 14:20:32,022 INFO L796 eck$LassoCheckResult]: Loop: 2375#L695-3 assume true; 2494#L695-1 assume !false; 2508#L696 assume test_~splverifierCounter~0 < 4; 2408#L697 test_~tmp~8 := test_#t~nondet58;havoc test_#t~nondet58; 2409#L705 assume !(0 != test_~tmp~8); 2442#L705-2 test_~tmp___0~2 := test_#t~nondet59;havoc test_#t~nondet59; 2446#L715 assume !(0 != test_~tmp___0~2); 2472#L715-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 2377#L725 assume 0 != test_~tmp___2~0; 2302#L731-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 2303#L565 __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 2421#L768 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2346#L428 assume !(0 != ~pumpRunning~0); 2347#L428-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 2357#L512 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 2465#L486-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 2431#L460-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret55, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 2432#L990-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 2488#L995-3 isHighWaterLevel_#t~ret55 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret55;havoc isHighWaterLevel_#t~ret55; 2701#L614-9 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~0 := 0; 2699#L614-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 2697#L620-3 processEnvironment__wrappee__highWaterSensor_#t~ret35 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret35;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35; 2694#L464-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 2527#L452-6 assume { :end_inline_processEnvironment__wrappee__base } true; 2433#L460-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2434#L486-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2468#L512-1 assume { :end_inline_processEnvironment } true; 2453#L435-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 2454#L982 __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 2547#L779 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 2548#L565-1 __utac_acc__Specification5_spec__3_#t~ret64 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret64;havoc __utac_acc__Specification5_spec__3_#t~ret64; 2677#L783 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 2549#L779-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2481#L445 assume { :end_inline_timeShift } true; 2375#L695-3 [2018-11-18 14:20:32,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:32,023 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 14:20:32,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:32,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:32,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:32,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:32,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:32,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:32,074 INFO L82 PathProgramCache]: Analyzing trace with hash 793354783, now seen corresponding path program 1 times [2018-11-18 14:20:32,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:32,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:32,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:32,075 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:20:32,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:32,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:32,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1440462136, now seen corresponding path program 1 times [2018-11-18 14:20:32,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:20:32,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:20:32,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:32,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:20:32,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:20:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:20:32,245 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-18 14:21:26,650 WARN L180 SmtUtils]: Spent 54.34 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 14:21:54,144 WARN L180 SmtUtils]: Spent 27.49 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 14:21:54,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:21:54 BoogieIcfgContainer [2018-11-18 14:21:54,240 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:21:54,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:21:54,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:21:54,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:21:54,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:29" (3/4) ... [2018-11-18 14:21:54,244 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:21:54,304 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61395b20-0127-4ae1-9c77-2e58d85531ce/bin-2019/uautomizer/witness.graphml [2018-11-18 14:21:54,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:21:54,305 INFO L168 Benchmark]: Toolchain (without parser) took 86464.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 955.4 MB in the beginning and 977.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,305 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:21:54,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.31 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 983.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.27 ms. Allocated memory is still 1.0 GB. Free memory was 983.5 MB in the beginning and 1.0 GB in the end (delta: -18.3 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,308 INFO L168 Benchmark]: Boogie Preprocessor took 44.68 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,309 INFO L168 Benchmark]: RCFGBuilder took 1146.77 ms. Allocated memory is still 1.0 GB. Free memory was 999.2 MB in the beginning and 908.8 MB in the end (delta: 90.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,309 INFO L168 Benchmark]: BuchiAutomizer took 84699.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 908.8 MB in the beginning and 985.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 320.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,309 INFO L168 Benchmark]: Witness Printer took 63.85 ms. Allocated memory is still 1.2 GB. Free memory was 985.4 MB in the beginning and 977.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:54,312 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.31 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 983.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.27 ms. Allocated memory is still 1.0 GB. Free memory was 983.5 MB in the beginning and 1.0 GB in the end (delta: -18.3 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.68 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1146.77 ms. Allocated memory is still 1.0 GB. Free memory was 999.2 MB in the beginning and 908.8 MB in the end (delta: 90.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 84699.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 908.8 MB in the beginning and 985.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 320.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.85 ms. Allocated memory is still 1.2 GB. Free memory was 985.4 MB in the beginning and 977.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 570 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 84.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 83.1s. Construction of modules took 0.8s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 280 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 570 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1119 SDtfs, 2249 SDslu, 1099 SDs, 0 SdLazy, 169 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 695]: 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 {retValue_acc=1, NULL=0, ",Pump:"=0, ",Pump:"=16, "CRIT"=33, "On"=0, methaneLevelCritical=0, retValue_acc=0, "Env(Water:%i"=0, tmp=0, tmp___1=0, "__utac__get_this_argtype"=23, "__utac__get_this_arg"=27, "__utac__get_this_arg"=8, cleanupTimeShifts=4, "On"=17, tmp=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, waterLevel=1, "i > 0 && i <= this->argsCount"=0, "Off"=15, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49563de7=0, head=0, pumpRunning=0, \result=1, "CRIT"=0, ")"=31, "OK"=0, ")"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=22, tmp=1, "OK"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74b90557=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d8dbce3=0, head=0, "libacc.c"=0, tmp=0, "i > 0 && i <= this->argsCount"=26, "__utac__get_this_argtype"=19, "libacc.c"=0, "Pump(System:"=0, "Off"=0, retValue_acc=0, tmp=1, tmp___0=0, ",Meth:"=0, tmp=0, "libacc.c"=24, tmp=0, switchedOnBeforeTS=0, "libacc.c"=20, "Off"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5979a74d=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a0f67e=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, ",Meth:"=34, \result=1, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c93ca8e=0, \result=0, "\n"=0, ") "=0, "Off"=0, "i > 0 && i <= this->argsCount"=14, \result=0, ") "=37, tmp___0=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "On"=39, "Env(Water:%i"=35, "libacc.c"=28, retValue_acc=1, retValue_acc=1, tmp___2=154, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@88d570c=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42012653=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a0568cb=0, "libacc.c"=12, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@541a3e90=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f7a00f=154, "libacc.c"=0, "Pump(System:"=18, "\n"=36, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8d2bf93=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 695]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L574] FCALL "Pump(System:" [L578] FCALL "On" [L582] FCALL "Off" [L586] FCALL ",Pump:" [L590] FCALL "On" [L594] FCALL "Off" [L598] FCALL ") " [L600] FCALL "\n" [L959] FCALL "Env(Water:%i" [L960] FCALL ",Meth:" [L964] FCALL "CRIT" [L968] FCALL "OK" [L972] FCALL ")" [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L752] int switchedOnBeforeTS ; [L801] int cleanupTimeShifts = 4; [L907] int waterLevel = 1; [L908] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L875] int retValue_acc ; [L876] int tmp ; [L880] FCALL select_helpers() [L881] FCALL select_features() [L882] CALL, EXPR valid_product() [L673] int retValue_acc ; [L676] retValue_acc = 1 [L677] RET return (retValue_acc); [L882] EXPR valid_product() [L882] tmp = valid_product() [L884] COND TRUE \read(tmp) [L886] FCALL setup() [L887] CALL runTest() [L868] CALL __utac_acc__Specification5_spec__1() [L757] RET switchedOnBeforeTS = 0 [L868] __utac_acc__Specification5_spec__1() [L869] CALL test() [L686] int splverifierCounter ; [L687] int tmp ; [L688] int tmp___0 ; [L689] int tmp___1 ; [L690] int tmp___2 ; [L693] splverifierCounter = 0 Loop: [L695] COND TRUE 1 [L697] COND TRUE splverifierCounter < 4 [L703] tmp = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp)) [L713] tmp___0 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___0)) [L723] tmp___2 = __VERIFIER_nondet_int() [L725] COND TRUE \read(tmp___2) [L738] CALL timeShift() [L426] CALL __utac_acc__Specification5_spec__2() [L766] CALL, EXPR isPumpRunning() [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] RET return (retValue_acc); [L766] EXPR isPumpRunning() [L766] RET switchedOnBeforeTS = isPumpRunning() [L426] __utac_acc__Specification5_spec__2() [L428] COND FALSE !(\read(pumpRunning)) [L435] COND TRUE \read(systemActive) [L437] CALL processEnvironment() [L509] int tmp ; [L512] COND FALSE !(\read(pumpRunning)) [L527] CALL processEnvironment__wrappee__lowWaterSensor() [L483] int tmp ; [L486] COND FALSE !(\read(pumpRunning)) [L501] CALL processEnvironment__wrappee__highWaterSensor() [L457] int tmp ; [L460] COND TRUE ! pumpRunning [L462] CALL, EXPR isHighWaterLevel() [L606] int retValue_acc ; [L607] int tmp ; [L608] int tmp___0 ; [L612] CALL, EXPR isHighWaterSensorDry() [L987] int retValue_acc ; [L990] COND TRUE waterLevel < 2 [L991] retValue_acc = 1 [L992] RET return (retValue_acc); [L612] EXPR isHighWaterSensorDry() [L612] tmp = isHighWaterSensorDry() [L614] COND TRUE \read(tmp) [L615] tmp___0 = 0 [L619] retValue_acc = tmp___0 [L620] RET return (retValue_acc); [L462] EXPR isHighWaterLevel() [L462] tmp = isHighWaterLevel() [L464] COND FALSE !(\read(tmp)) [L470] RET, FCALL processEnvironment__wrappee__base() [L501] RET processEnvironment__wrappee__highWaterSensor() [L527] RET processEnvironment__wrappee__lowWaterSensor() [L437] processEnvironment() [L443] CALL __utac_acc__Specification5_spec__3() [L772] int tmp ; [L773] int tmp___0 ; [L777] CALL, EXPR getWaterLevel() [L978] int retValue_acc ; [L981] retValue_acc = waterLevel [L982] RET return (retValue_acc); [L777] EXPR getWaterLevel() [L777] tmp = getWaterLevel() [L779] COND TRUE tmp != 2 [L781] CALL, EXPR isPumpRunning() [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] RET return (retValue_acc); [L781] EXPR isPumpRunning() [L781] tmp___0 = isPumpRunning() [L783] COND FALSE, RET !(\read(tmp___0)) [L443] RET __utac_acc__Specification5_spec__3() [L738] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...