./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_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_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 .................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:55:19,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:55:19,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:55:19,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:55:19,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:55:19,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:55:19,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:55:19,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:55:19,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:55:19,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:55:19,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:55:19,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:55:19,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:55:19,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:55:19,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:55:19,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:55:19,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:55:19,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:55:19,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:55:19,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:55:19,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:55:19,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:55:19,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:55:19,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:55:19,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:55:19,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:55:19,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:55:19,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:55:19,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:55:19,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:55:19,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:55:19,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:55:19,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:55:19,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:55:19,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:55:19,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:55:19,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:55:19,561 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:55:19,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:55:19,562 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:55:19,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:55:19,562 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:55:19,562 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:55:19,563 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:55:19,563 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:55:19,563 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:55:19,563 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:55:19,563 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:55:19,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:55:19,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:55:19,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:55:19,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:55:19,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:55:19,565 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:55:19,565 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:55:19,565 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:55:19,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:55:19,565 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:55:19,566 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:55:19,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:55:19,566 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:55:19,566 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:55:19,567 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:55:19,567 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_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2018-11-18 13:55:19,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:55:19,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:55:19,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:55:19,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:55:19,600 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:55:19,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 13:55:19,635 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/data/37f07d103/27bbffa549bf456495ac3f9a5207f610/FLAG5721670b0 [2018-11-18 13:55:20,074 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:55:20,074 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 13:55:20,083 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/data/37f07d103/27bbffa549bf456495ac3f9a5207f610/FLAG5721670b0 [2018-11-18 13:55:20,093 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/data/37f07d103/27bbffa549bf456495ac3f9a5207f610 [2018-11-18 13:55:20,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:55:20,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:55:20,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:55:20,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:55:20,100 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:55:20,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,103 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 01:55:20, skipping insertion in model container [2018-11-18 13:55:20,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:55:20,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:55:20,364 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:55:20,370 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:55:20,467 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:55:20,484 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:55:20,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20 WrapperNode [2018-11-18 13:55:20,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:55:20,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:55:20,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:55:20,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:55:20,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:55:20,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:55:20,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:55:20,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:55:20,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... [2018-11-18 13:55:20,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:55:20,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:55:20,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:55:20,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:55:20,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/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 13:55:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:55:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:55:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:55:21,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:55:21,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:55:21 BoogieIcfgContainer [2018-11-18 13:55:21,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:55:21,135 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:55:21,135 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:55:21,138 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:55:21,138 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:55:21,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:55:20" (1/3) ... [2018-11-18 13:55:21,139 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1327277b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:55:21, skipping insertion in model container [2018-11-18 13:55:21,139 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:55:21,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:55:20" (2/3) ... [2018-11-18 13:55:21,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1327277b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:55:21, skipping insertion in model container [2018-11-18 13:55:21,140 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:55:21,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:55:21" (3/3) ... [2018-11-18 13:55:21,142 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 13:55:21,174 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:55:21,174 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:55:21,174 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:55:21,174 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:55:21,174 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:55:21,174 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:55:21,175 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:55:21,175 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:55:21,175 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:55:21,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 13:55:21,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 13:55:21,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:55:21,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:55:21,213 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:21,213 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:21,213 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:55:21,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 13:55:21,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 13:55:21,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:55:21,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:55:21,220 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:21,220 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:21,224 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 19#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 62#L94true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 21#L87true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 77#L102true main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 150#L203true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 83#L179true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 109#L908-3true [2018-11-18 13:55:21,224 INFO L796 eck$LassoCheckResult]: Loop: 109#L908-3true assume true; 126#L908-1true assume !false; 56#L909true assume test_~splverifierCounter~0 < 4; 4#L910true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 24#L918true assume !(0 != test_~tmp~9); 20#L918-2true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 84#L928true assume !(0 != test_~tmp___0~2); 65#L928-2true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 144#L938true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 129#L894true assume { :end_inline_startSystem } true; 156#L946-2true assume { :begin_inline_timeShift } true; 23#L687true assume !(0 != ~pumpRunning~0); 7#L687-2true assume !(0 != ~systemActive~0); 86#L694-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 15#L296true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 16#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 12#L51-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 143#L704true assume { :end_inline_timeShift } true; 109#L908-3true [2018-11-18 13:55:21,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:21,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:55:21,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:55:21,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:55:21,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:55:21,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:21,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1523214541, now seen corresponding path program 1 times [2018-11-18 13:55:21,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:55:21,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:55:21,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:55:21,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:55:21,454 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 13:55:21,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:55:21,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:55:21,459 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:55:21,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:55:21,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:55:21,470 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2018-11-18 13:55:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:55:21,532 INFO L93 Difference]: Finished difference Result 299 states and 385 transitions. [2018-11-18 13:55:21,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:55:21,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 299 states and 385 transitions. [2018-11-18 13:55:21,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 196 [2018-11-18 13:55:21,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 299 states to 279 states and 364 transitions. [2018-11-18 13:55:21,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 279 [2018-11-18 13:55:21,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 279 [2018-11-18 13:55:21,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 279 states and 364 transitions. [2018-11-18 13:55:21,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:55:21,548 INFO L705 BuchiCegarLoop]: Abstraction has 279 states and 364 transitions. [2018-11-18 13:55:21,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states and 364 transitions. [2018-11-18 13:55:21,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2018-11-18 13:55:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-11-18 13:55:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 360 transitions. [2018-11-18 13:55:21,578 INFO L728 BuchiCegarLoop]: Abstraction has 276 states and 360 transitions. [2018-11-18 13:55:21,579 INFO L608 BuchiCegarLoop]: Abstraction has 276 states and 360 transitions. [2018-11-18 13:55:21,579 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:55:21,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 276 states and 360 transitions. [2018-11-18 13:55:21,581 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193 [2018-11-18 13:55:21,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:55:21,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:55:21,582 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:21,582 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:55:21,583 INFO L794 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 493#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 494#L94 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 497#L87 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 498#L102 main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 569#L203 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 576#L179 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 577#L908-3 [2018-11-18 13:55:21,583 INFO L796 eck$LassoCheckResult]: Loop: 577#L908-3 assume true; 693#L908-1 assume !false; 692#L909 assume test_~splverifierCounter~0 < 4; 468#L910 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 469#L918 assume !(0 != test_~tmp~9); 495#L918-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 496#L928 assume !(0 != test_~tmp___0~2); 551#L928-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 552#L938 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet73;havoc test_#t~nondet73; 625#L946 assume !(0 != test_~tmp___1~0); 620#L946-2 assume { :begin_inline_timeShift } true; 500#L687 assume !(0 != ~pumpRunning~0); 474#L687-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 475#L745 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 732#L719-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 716#L711-3 assume { :end_inline_processEnvironment__wrappee__base } true; 715#L719-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 712#L745-1 assume { :end_inline_processEnvironment } true; 711#L694-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 710#L296 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 702#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 700#L51-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 698#L704 assume { :end_inline_timeShift } true; 577#L908-3 [2018-11-18 13:55:21,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:21,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:55:21,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:55:21,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:55:21,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:55:21,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:21,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2121341487, now seen corresponding path program 1 times [2018-11-18 13:55:21,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:55:21,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:55:21,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,656 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:55:21,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:55:21,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1911240725, now seen corresponding path program 1 times [2018-11-18 13:55:21,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:55:21,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:55:21,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:55:21,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:55:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:55:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:56:05,053 WARN L180 SmtUtils]: Spent 43.24 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:56:29,475 WARN L180 SmtUtils]: Spent 24.42 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:56:29,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:56:29 BoogieIcfgContainer [2018-11-18 13:56:29,542 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:56:29,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:56:29,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:56:29,543 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:56:29,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:55:21" (3/4) ... [2018-11-18 13:56:29,545 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:56:29,592 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4d439d9-6247-4c2e-9cd7-df40fadf7db6/bin-2019/uautomizer/witness.graphml [2018-11-18 13:56:29,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:56:29,592 INFO L168 Benchmark]: Toolchain (without parser) took 69496.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.3 MB). Free memory was 955.4 MB in the beginning and 1.3 GB in the end (delta: -305.3 MB). Peak memory consumption was 348.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:29,593 INFO L168 Benchmark]: CDTParser took 0.13 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 13:56:29,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -196.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:29,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:29,593 INFO L168 Benchmark]: Boogie Preprocessor took 26.16 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:29,594 INFO L168 Benchmark]: RCFGBuilder took 577.66 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 13:56:29,594 INFO L168 Benchmark]: BuchiAutomizer took 68406.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 828.8 MB in the end (delta: 245.0 MB). Peak memory consumption was 302.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:29,594 INFO L168 Benchmark]: Witness Printer took 49.53 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 43.0 MB). Free memory was 828.8 MB in the beginning and 1.3 GB in the end (delta: -431.8 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2018-11-18 13:56:29,596 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -196.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.16 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 577.66 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 68406.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 828.8 MB in the end (delta: 245.0 MB). Peak memory consumption was 302.7 MB. Max. memory is 11.5 GB. * Witness Printer took 49.53 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 43.0 MB). Free memory was 828.8 MB in the beginning and 1.3 GB in the end (delta: -431.8 MB). Peak memory consumption was 8.2 kB. 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 3 locations. The remainder module has 276 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 68.1s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 276 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 205 SDtfs, 189 SDslu, 182 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 908]: 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, "Off"=0, "On"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "__utac__get_this_argtype"=33, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ",Meth:"=20, ",Pump:"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "OK"=18, "Off"=26, "On"=29, methaneLevelCritical=0, "__utac__get_this_arg"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49c08b01=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13f57ef4=0, "i > 0 && i <= this->argsCount"=37, "\n"=0, "libacc.c"=15, ") "=0, "\n"=8, tmp___1=0, tmp=0, tmp___0=0, "libacc.c"=12, cleanupTimeShifts=4, "__utac__get_this_arg"=14, "libacc.c"=36, "libacc.c"=23, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f9645c=0, \result=1, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680c86f6=0, "Off"=28, "i > 0 && i <= this->argsCount"=34, "Pump(System:"=0, ",Pump:"=27, "Off"=0, "On"=0, \result=1, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22ff3fb8=0, "libacc.c"=0, ") "=39, tmp=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@492faa76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3eb02d50=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d158e4f=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56d5e4da=0, "Env(Water:%i"=22, retValue_acc=1, tmp___2=0, tmp___0=0, retValue_acc=1, splverifierCounter=0, "CRIT"=0, ",Meth:"=0, "Env(Water:%i"=0, "CRIT"=19, head=0, tmp=0, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=35, ")"=0, "OK"=0, "On"=24, ")"=17, "Pump(System:"=31, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 908]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L273] FCALL "Env(Water:%i" [L274] FCALL ",Meth:" [L278] FCALL "CRIT" [L282] FCALL "OK" [L286] FCALL ")" [L607] FCALL "i > 0 && i <= this->argsCount" [L607] FCALL "libacc.c" [L608] FCALL "__utac__get_this_arg" [L614] FCALL "i > 0 && i <= this->argsCount" [L614] FCALL "libacc.c" [L615] FCALL "__utac__get_this_arg" [L653] FCALL "i > 0 && i <= this->argsCount" [L653] FCALL "libacc.c" [L654] FCALL "__utac__get_this_argtype" [L660] FCALL "i > 0 && i <= this->argsCount" [L660] FCALL "libacc.c" [L661] FCALL "__utac__get_this_argtype" [L824] FCALL "Pump(System:" [L828] FCALL "On" [L832] FCALL "Off" [L836] FCALL ",Pump:" [L840] FCALL "On" [L844] FCALL "Off" [L848] FCALL ") " [L850] FCALL "\n" [L116] int cleanupTimeShifts = 4; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L194] int retValue_acc ; [L195] int tmp ; [L199] FCALL select_helpers() [L200] FCALL select_features() [L201] CALL, EXPR valid_product() [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] RET return (retValue_acc); [L201] EXPR valid_product() [L201] tmp = valid_product() [L203] COND TRUE \read(tmp) [L205] FCALL setup() [L206] CALL runTest() [L188] CALL test() [L899] int splverifierCounter ; [L900] int tmp ; [L901] int tmp___0 ; [L902] int tmp___1 ; [L903] int tmp___2 ; [L906] splverifierCounter = 0 Loop: [L908] COND TRUE 1 [L910] COND TRUE splverifierCounter < 4 [L916] tmp = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp)) [L926] tmp___0 = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp___0)) [L936] tmp___2 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___2)) [L944] tmp___1 = __VERIFIER_nondet_int() [L946] COND FALSE !(\read(tmp___1)) [L955] CALL timeShift() [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L696] CALL processEnvironment() [L742] int tmp ; [L745] COND FALSE !(\read(pumpRunning)) [L760] CALL processEnvironment__wrappee__methaneQuery() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] RET, FCALL processEnvironment__wrappee__base() [L760] RET processEnvironment__wrappee__methaneQuery() [L696] processEnvironment() [L702] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] RET return (retValue_acc); [L49] EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE, RET !(tmp == 0) [L702] RET __utac_acc__Specification4_spec__1() [L955] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...