./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_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_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/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 8ca334e090ac37635ea5e20a191b6f0bec293495 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:39:39,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:39:39,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:39:39,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:39:39,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:39:39,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:39:39,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:39:39,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:39:39,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:39:39,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:39:39,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:39:39,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:39:39,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:39:39,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:39:39,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:39:39,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:39:39,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:39:39,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:39:39,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:39:39,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:39:39,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:39:39,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:39:39,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:39:39,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:39:39,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:39:39,556 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:39:39,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:39:39,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:39:39,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:39:39,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:39:39,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:39:39,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:39:39,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:39:39,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:39:39,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:39:39,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:39:39,560 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:39:39,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:39:39,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:39:39,569 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:39:39,569 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:39:39,569 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:39:39,569 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:39:39,569 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:39:39,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:39:39,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:39:39,571 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:39:39,572 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:39:39,572 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:39:39,572 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:39:39,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:39:39,572 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:39:39,572 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:39:39,572 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:39:39,573 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:39:39,573 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:39:39,573 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:39:39,573 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_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/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 -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2018-11-18 16:39:39,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:39:39,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:39:39,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:39:39,607 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:39:39,607 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:39:39,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-18 16:39:39,643 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/data/d2bfdf61a/429f1d28373c469aa671269952d2c9d1/FLAG7204d8f80 [2018-11-18 16:39:40,077 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:39:40,078 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-18 16:39:40,085 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/data/d2bfdf61a/429f1d28373c469aa671269952d2c9d1/FLAG7204d8f80 [2018-11-18 16:39:40,094 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/data/d2bfdf61a/429f1d28373c469aa671269952d2c9d1 [2018-11-18 16:39:40,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:39:40,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:39:40,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:39:40,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:39:40,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:39:40,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40, skipping insertion in model container [2018-11-18 16:39:40,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:39:40,141 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:39:40,333 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:39:40,342 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:39:40,442 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:39:40,458 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:39:40,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40 WrapperNode [2018-11-18 16:39:40,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:39:40,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:39:40,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:39:40,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:39:40,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:39:40,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:39:40,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:39:40,496 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:39:40,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... [2018-11-18 16:39:40,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:39:40,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:39:40,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:39:40,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:39:40,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/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 16:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:39:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:39:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:39:41,159 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:39:41,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:41 BoogieIcfgContainer [2018-11-18 16:39:41,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:39:41,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:39:41,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:39:41,163 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:39:41,163 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:39:41,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:39:40" (1/3) ... [2018-11-18 16:39:41,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c473804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:39:41, skipping insertion in model container [2018-11-18 16:39:41,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:39:41,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:40" (2/3) ... [2018-11-18 16:39:41,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c473804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:39:41, skipping insertion in model container [2018-11-18 16:39:41,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:39:41,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:41" (3/3) ... [2018-11-18 16:39:41,169 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-18 16:39:41,210 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:39:41,210 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:39:41,210 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:39:41,210 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:39:41,210 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:39:41,210 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:39:41,211 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:39:41,211 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:39:41,211 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:39:41,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states. [2018-11-18 16:39:41,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 16:39:41,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:39:41,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:39:41,249 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:41,249 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:41,249 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:39:41,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states. [2018-11-18 16:39:41,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 16:39:41,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:39:41,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:39:41,256 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:41,256 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:41,259 INFO L794 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 116#L696true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 52#L689true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 148#L704true main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 42#L791true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 94#L768true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 15#L241-3true [2018-11-18 16:39:41,260 INFO L796 eck$LassoCheckResult]: Loop: 15#L241-3true assume true; 3#L241-1true assume !false; 92#L242true assume test_~splverifierCounter~0 < 4; 44#L243true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 58#L251true assume !(0 != test_~tmp~3); 72#L251-2true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 114#L261true assume !(0 != test_~tmp___0~1); 139#L261-2true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 17#L271true assume 0 != test_~tmp___2~0; 149#L277-2true assume { :begin_inline_timeShift } true; 154#L57true assume !(0 != ~pumpRunning~0); 153#L57-2true assume !(0 != ~systemActive~0); 65#L64-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 28#L907true __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 144#L814true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 145#L814-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 129#L74true assume { :end_inline_timeShift } true; 15#L241-3true [2018-11-18 16:39:41,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:39:41,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:41,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:41,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:41,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:41,453 INFO L82 PathProgramCache]: Analyzing trace with hash -952966733, now seen corresponding path program 1 times [2018-11-18 16:39:41,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:41,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:41,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:41,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:41,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1884648337, now seen corresponding path program 1 times [2018-11-18 16:39:41,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:41,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:41,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:41,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:39:41,582 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 16:39:41,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:39:41,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:39:41,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:39:41,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:39:41,703 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 6 states. [2018-11-18 16:39:41,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:39:41,831 INFO L93 Difference]: Finished difference Result 149 states and 189 transitions. [2018-11-18 16:39:41,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:39:41,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 189 transitions. [2018-11-18 16:39:41,837 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2018-11-18 16:39:41,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 139 states and 179 transitions. [2018-11-18 16:39:41,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2018-11-18 16:39:41,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2018-11-18 16:39:41,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 179 transitions. [2018-11-18 16:39:41,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:39:41,844 INFO L705 BuchiCegarLoop]: Abstraction has 139 states and 179 transitions. [2018-11-18 16:39:41,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 179 transitions. [2018-11-18 16:39:41,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-18 16:39:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-18 16:39:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 179 transitions. [2018-11-18 16:39:41,874 INFO L728 BuchiCegarLoop]: Abstraction has 139 states and 179 transitions. [2018-11-18 16:39:41,874 INFO L608 BuchiCegarLoop]: Abstraction has 139 states and 179 transitions. [2018-11-18 16:39:41,874 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:39:41,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 179 transitions. [2018-11-18 16:39:41,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2018-11-18 16:39:41,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:39:41,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:39:41,876 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:41,876 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] [2018-11-18 16:39:41,876 INFO L794 eck$LassoCheckResult]: Stem: 442#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 330#L696 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 386#L689 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 387#L704 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 374#L791 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 375#L768 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 337#L241-3 [2018-11-18 16:39:41,876 INFO L796 eck$LassoCheckResult]: Loop: 337#L241-3 assume true; 319#L241-1 assume !false; 320#L242 assume test_~splverifierCounter~0 < 4; 377#L243 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 378#L251 assume !(0 != test_~tmp~3); 392#L251-2 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 410#L261 assume !(0 != test_~tmp___0~1); 405#L261-2 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 343#L271 assume 0 != test_~tmp___2~0; 336#L277-2 assume { :begin_inline_timeShift } true; 457#L57 assume !(0 != ~pumpRunning~0); 345#L57-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 450#L115 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 384#L89-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 370#L81-3 assume { :end_inline_processEnvironment__wrappee__base } true; 340#L89-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 383#L115-1 assume { :end_inline_processEnvironment } true; 400#L64-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 357#L907 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 358#L814 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 404#L814-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 453#L74 assume { :end_inline_timeShift } true; 337#L241-3 [2018-11-18 16:39:41,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:41,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:39:41,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:41,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:41,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:41,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:41,937 INFO L82 PathProgramCache]: Analyzing trace with hash -371508048, now seen corresponding path program 1 times [2018-11-18 16:39:41,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:41,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:41,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,938 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:39:41,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:41,947 INFO L82 PathProgramCache]: Analyzing trace with hash 745334644, now seen corresponding path program 1 times [2018-11-18 16:39:41,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:41,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:41,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:41,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:40:29,837 WARN L180 SmtUtils]: Spent 47.70 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:40:56,747 WARN L180 SmtUtils]: Spent 26.91 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:40:56,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:40:56 BoogieIcfgContainer [2018-11-18 16:40:56,809 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:40:56,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:40:56,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:40:56,809 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:40:56,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:41" (3/4) ... [2018-11-18 16:40:56,812 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:40:56,851 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a62ee96-1a33-44aa-bf62-51be3d27b3d3/bin-2019/uautomizer/witness.graphml [2018-11-18 16:40:56,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:40:56,852 INFO L168 Benchmark]: Toolchain (without parser) took 76754.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.6 MB in the beginning and 974.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:56,852 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:40:56,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:56,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:56,853 INFO L168 Benchmark]: Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:40:56,855 INFO L168 Benchmark]: RCFGBuilder took 638.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:56,856 INFO L168 Benchmark]: BuchiAutomizer took 75649.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.7 MB). Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 74.2 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:56,856 INFO L168 Benchmark]: Witness Printer took 42.01 ms. Allocated memory is still 1.2 GB. Free memory was 979.5 MB in the beginning and 974.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:56,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 638.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 75649.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.7 MB). Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 74.2 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. * Witness Printer took 42.01 ms. Allocated memory is still 1.2 GB. Free memory was 979.5 MB in the beginning and 974.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 75.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 75.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 184 SDtfs, 557 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 241]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=0, "__utac__get_this_arg"=0, ",Pump:"=19, "libacc.c"=24, "libacc.c"=0, retValue_acc=1, "libacc.c"=31, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ")"=39, tmp=0, "Env(Water:%i"=36, "__utac__get_this_argtype"=35, methaneLevelCritical=0, "Off"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1102792b=0, tmp=0, "CRIT"=0, ",Meth:"=0, "CRIT"=11, tmp___1=0, "Pump(System:"=0, "Off"=0, "On"=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=15, "i > 0 && i <= this->argsCount"=12, "Off"=17, tmp___0=0, "__utac__get_this_argtype"=26, NULL=0, systemActive=1, waterLevel=1, \result=1, "Off"=0, "On"=0, "On"=18, ",Pump:"=0, "__utac__get_this_arg"=29, "__utac__get_this_arg"=33, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "Pump(System:"=22, \result=1, "\n"=14, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73dde01a=0, \result=0, "libacc.c"=27, ",Meth:"=37, "OK"=0, ") "=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c2cfa92=0, "i > 0 && i <= this->argsCount"=0, "\n"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255fa0fd=42, retValue_acc=1, ")"=0, tmp=1, tmp___2=42, tmp___0=0, splverifierCounter=0, "On"=8, "OK"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d438837=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d557fa2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28a7421a=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40f0f323=0, ") "=16, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@703ef1b=0, "i > 0 && i <= this->argsCount"=23, "i > 0 && i <= this->argsCount"=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 241]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L177] FCALL "Pump(System:" [L181] FCALL "On" [L185] FCALL "Off" [L189] FCALL ",Pump:" [L193] FCALL "On" [L197] FCALL "Off" [L201] FCALL ") " [L203] FCALL "\n" [L602] FCALL "i > 0 && i <= this->argsCount" [L602] FCALL "libacc.c" [L603] FCALL "__utac__get_this_arg" [L609] FCALL "i > 0 && i <= this->argsCount" [L609] FCALL "libacc.c" [L610] FCALL "__utac__get_this_arg" [L648] FCALL "i > 0 && i <= this->argsCount" [L648] FCALL "libacc.c" [L649] FCALL "__utac__get_this_argtype" [L655] FCALL "i > 0 && i <= this->argsCount" [L655] FCALL "libacc.c" [L656] FCALL "__utac__get_this_argtype" [L884] FCALL "Env(Water:%i" [L885] FCALL ",Meth:" [L889] FCALL "CRIT" [L893] FCALL "OK" [L897] FCALL ")" [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L709] int cleanupTimeShifts = 4; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; [L474] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L782] int retValue_acc ; [L783] int tmp ; [L787] FCALL select_helpers() [L788] FCALL select_features() [L789] CALL, EXPR valid_product() [L700] int retValue_acc ; [L703] retValue_acc = 1 [L704] RET return (retValue_acc); [L789] EXPR valid_product() [L789] tmp = valid_product() [L791] COND TRUE \read(tmp) [L793] FCALL setup() [L794] CALL runTest() [L776] CALL test() [L232] int splverifierCounter ; [L233] int tmp ; [L234] int tmp___0 ; [L235] int tmp___1 ; [L236] int tmp___2 ; [L239] splverifierCounter = 0 Loop: [L241] COND TRUE 1 [L243] COND TRUE splverifierCounter < 4 [L249] tmp = __VERIFIER_nondet_int() [L251] COND FALSE !(\read(tmp)) [L259] tmp___0 = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp___0)) [L269] tmp___2 = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp___2) [L284] CALL timeShift() [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L66] CALL processEnvironment() [L112] int tmp ; [L115] COND FALSE !(\read(pumpRunning)) [L130] CALL processEnvironment__wrappee__lowWaterSensor() [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L104] RET, FCALL processEnvironment__wrappee__base() [L130] RET processEnvironment__wrappee__lowWaterSensor() [L66] processEnvironment() [L72] CALL __utac_acc__Specification4_spec__1() [L807] int tmp ; [L808] int tmp___0 ; [L812] CALL, EXPR getWaterLevel() [L903] int retValue_acc ; [L906] retValue_acc = waterLevel [L907] RET return (retValue_acc); [L812] EXPR getWaterLevel() [L812] tmp = getWaterLevel() [L814] COND FALSE, RET !(tmp == 0) [L72] RET __utac_acc__Specification4_spec__1() [L284] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...