./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/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 63231100df91d767f63e82b83b0d6c2eaec3a983 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-09 01:40:01,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:40:01,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:40:01,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:40:01,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:40:01,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:40:01,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:40:01,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:40:01,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:40:01,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:40:01,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:40:01,314 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:40:01,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:40:01,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:40:01,316 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:40:01,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:40:01,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:40:01,317 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:40:01,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:40:01,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:40:01,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:40:01,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:40:01,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:40:01,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:40:01,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:40:01,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:40:01,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:40:01,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:40:01,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:40:01,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:40:01,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:40:01,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:40:01,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:40:01,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:40:01,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:40:01,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:40:01,325 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 01:40:01,332 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:40:01,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:40:01,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:40:01,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:40:01,333 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:40:01,333 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 01:40:01,333 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 01:40:01,333 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 01:40:01,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 01:40:01,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 01:40:01,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:40:01,335 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 01:40:01,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:40:01,336 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:40:01,336 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 01:40:01,336 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 01:40:01,336 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_a6a54388-d54c-4bfc-8973-7d40ed808a1b/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 -> 63231100df91d767f63e82b83b0d6c2eaec3a983 [2018-12-09 01:40:01,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:40:01,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:40:01,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:40:01,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:40:01,363 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:40:01,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c [2018-12-09 01:40:01,395 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/data/69aa54757/38dbc5a67f7d4d8e8967769910fe7948/FLAG162d63360 [2018-12-09 01:40:01,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:40:01,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c [2018-12-09 01:40:01,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/data/69aa54757/38dbc5a67f7d4d8e8967769910fe7948/FLAG162d63360 [2018-12-09 01:40:01,826 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/data/69aa54757/38dbc5a67f7d4d8e8967769910fe7948 [2018-12-09 01:40:01,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:40:01,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:40:01,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:40:01,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:40:01,834 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:40:01,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:40:01" (1/1) ... [2018-12-09 01:40:01,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:01, skipping insertion in model container [2018-12-09 01:40:01,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:40:01" (1/1) ... [2018-12-09 01:40:01,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:40:01,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:40:02,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:40:02,065 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:40:02,109 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:40:02,124 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:40:02,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02 WrapperNode [2018-12-09 01:40:02,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:40:02,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:40:02,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:40:02,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:40:02,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:40:02,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:40:02,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:40:02,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:40:02,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... [2018-12-09 01:40:02,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:40:02,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:40:02,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:40:02,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:40:02,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/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 [2018-12-09 01:40:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:40:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 01:40:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:40:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:40:02,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:40:02,548 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2018-12-09 01:40:02,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:40:02 BoogieIcfgContainer [2018-12-09 01:40:02,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:40:02,549 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 01:40:02,549 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 01:40:02,551 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 01:40:02,552 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:40:02,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 01:40:01" (1/3) ... [2018-12-09 01:40:02,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4701450a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:40:02, skipping insertion in model container [2018-12-09 01:40:02,553 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:40:02,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:40:02" (2/3) ... [2018-12-09 01:40:02,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4701450a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:40:02, skipping insertion in model container [2018-12-09 01:40:02,553 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:40:02,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:40:02" (3/3) ... [2018-12-09 01:40:02,554 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product50_false-unreach-call_false-termination.cil.c [2018-12-09 01:40:02,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:40:02,585 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 01:40:02,585 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 01:40:02,585 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 01:40:02,585 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:40:02,585 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:40:02,585 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 01:40:02,586 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:40:02,586 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 01:40:02,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-12-09 01:40:02,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 01:40:02,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:40:02,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:40:02,616 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,616 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,616 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 01:40:02,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-12-09 01:40:02,619 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 01:40:02,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:40:02,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:40:02,620 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,620 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,623 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25); 14#L-1true havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 69#L303true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 92#L311true main_#t~ret12 := valid_product_#res;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 96#L267true assume 0 != main_~tmp~1; 46#L240true havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L51-1true [2018-12-09 01:40:02,623 INFO L796 eck$LassoCheckResult]: Loop: 11#L51-1true assume !false; 57#L328true assume test_~splverifierCounter~0 < 4; 16#L329true test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 29#L337true assume !(0 != test_~tmp~2); 30#L337-1true test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 83#L347true assume !(0 != test_~tmp___0~1); 87#L347-1true test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 115#L357true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 12#L365-2true assume !(0 != ~pumpRunning~0); 80#L402true assume !(0 != ~systemActive~0); 4#L409true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 63#L119true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 13#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 11#L51-1true [2018-12-09 01:40:02,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:02,627 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 01:40:02,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:02,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:02,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:02,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1678820861, now seen corresponding path program 1 times [2018-12-09 01:40:02,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:02,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:02,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:02,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:40:02,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:40:02,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:40:02,781 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 01:40:02,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:40:02,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:40:02,791 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 3 states. [2018-12-09 01:40:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:40:02,818 INFO L93 Difference]: Finished difference Result 114 states and 164 transitions. [2018-12-09 01:40:02,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:40:02,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 164 transitions. [2018-12-09 01:40:02,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-09 01:40:02,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 107 states and 156 transitions. [2018-12-09 01:40:02,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2018-12-09 01:40:02,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2018-12-09 01:40:02,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 156 transitions. [2018-12-09 01:40:02,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 01:40:02,826 INFO L705 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2018-12-09 01:40:02,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 156 transitions. [2018-12-09 01:40:02,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-09 01:40:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-09 01:40:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2018-12-09 01:40:02,846 INFO L728 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2018-12-09 01:40:02,846 INFO L608 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2018-12-09 01:40:02,846 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 01:40:02,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 156 transitions. [2018-12-09 01:40:02,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-09 01:40:02,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:40:02,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:40:02,847 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,848 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,848 INFO L794 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25); 260#L-1 havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 261#L303 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 320#L311 main_#t~ret12 := valid_product_#res;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 333#L267 assume 0 != main_~tmp~1; 305#L240 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 254#L51-1 [2018-12-09 01:40:02,848 INFO L796 eck$LassoCheckResult]: Loop: 254#L51-1 assume !false; 255#L328 assume test_~splverifierCounter~0 < 4; 264#L329 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 265#L337 assume !(0 != test_~tmp~2); 288#L337-1 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 289#L347 assume !(0 != test_~tmp___0~1); 284#L347-1 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 331#L357 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 250#L365-2 assume !(0 != ~pumpRunning~0); 256#L402 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 323#L460 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 324#L434-1 assume !(0 == ~pumpRunning~0); 240#L409 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 241#L119 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 258#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 254#L51-1 [2018-12-09 01:40:02,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:02,848 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 01:40:02,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:02,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:02,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:02,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:02,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:02,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1079829887, now seen corresponding path program 1 times [2018-12-09 01:40:02,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:02,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:02,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,885 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 01:40:02,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:40:02,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:40:02,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:40:02,894 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 01:40:02,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:40:02,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:40:02,895 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-12-09 01:40:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:40:02,969 INFO L93 Difference]: Finished difference Result 148 states and 204 transitions. [2018-12-09 01:40:02,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:40:02,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 204 transitions. [2018-12-09 01:40:02,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-12-09 01:40:02,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 204 transitions. [2018-12-09 01:40:02,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2018-12-09 01:40:02,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2018-12-09 01:40:02,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 204 transitions. [2018-12-09 01:40:02,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 01:40:02,973 INFO L705 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2018-12-09 01:40:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 204 transitions. [2018-12-09 01:40:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-09 01:40:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-09 01:40:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 204 transitions. [2018-12-09 01:40:02,977 INFO L728 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2018-12-09 01:40:02,977 INFO L608 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2018-12-09 01:40:02,977 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 01:40:02,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 204 transitions. [2018-12-09 01:40:02,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-12-09 01:40:02,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:40:02,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:40:02,979 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 01:40:02,979 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] [2018-12-09 01:40:02,979 INFO L794 eck$LassoCheckResult]: Stem: 597#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25); 521#L-1 havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 522#L303 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 583#L311 main_#t~ret12 := valid_product_#res;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 596#L267 assume 0 != main_~tmp~1; 567#L240 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 516#L51-1 [2018-12-09 01:40:02,979 INFO L796 eck$LassoCheckResult]: Loop: 516#L51-1 assume !false; 517#L328 assume test_~splverifierCounter~0 < 4; 525#L329 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 526#L337 assume !(0 != test_~tmp~2); 550#L337-1 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 551#L347 assume !(0 != test_~tmp___0~1); 546#L347-1 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 594#L357 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 511#L365-2 assume !(0 != ~pumpRunning~0); 518#L402 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 586#L460 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 587#L434-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 606#L159-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 533#L164-1 isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; 534#L562-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 568#L562-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 556#L568-1 processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; 557#L438-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 501#L409 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 502#L119 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 519#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 516#L51-1 [2018-12-09 01:40:02,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:02,980 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-09 01:40:02,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:02,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:02,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:02,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:03,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:03,010 INFO L82 PathProgramCache]: Analyzing trace with hash -246413043, now seen corresponding path program 1 times [2018-12-09 01:40:03,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:03,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:03,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:03,011 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 01:40:03,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:03,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:03,020 INFO L82 PathProgramCache]: Analyzing trace with hash 209658151, now seen corresponding path program 1 times [2018-12-09 01:40:03,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:03,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:03,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:03,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:03,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:40:08,196 WARN L180 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 01:40:10,715 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 01:40:10,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 01:40:10 BoogieIcfgContainer [2018-12-09 01:40:10,755 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 01:40:10,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:40:10,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:40:10,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:40:10,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:40:02" (3/4) ... [2018-12-09 01:40:10,758 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 01:40:10,794 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a6a54388-d54c-4bfc-8973-7d40ed808a1b/bin-2019/uautomizer/witness.graphml [2018-12-09 01:40:10,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:40:10,795 INFO L168 Benchmark]: Toolchain (without parser) took 8965.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 950.6 MB in the beginning and 991.8 MB in the end (delta: -41.1 MB). Peak memory consumption was 265.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,796 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:40:10,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.37 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,796 INFO L168 Benchmark]: Boogie Preprocessor took 22.65 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,797 INFO L168 Benchmark]: RCFGBuilder took 364.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,797 INFO L168 Benchmark]: BuchiAutomizer took 8206.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 45.4 MB). Peak memory consumption was 350.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,797 INFO L168 Benchmark]: Witness Printer took 39.58 ms. Allocated memory is still 1.3 GB. Free memory was 999.2 MB in the beginning and 991.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:40:10,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.37 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.65 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 364.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8206.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 45.4 MB). Peak memory consumption was 350.4 MB. Max. memory is 11.5 GB. * Witness Printer took 39.58 ms. Allocated memory is still 1.3 GB. Free memory was 999.2 MB in the beginning and 991.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 148 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 148 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 264 SDslu, 66 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 327]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, retValue_acc=0, NULL=38, NULL=26, NULL=0, NULL=0, NULL=23, methaneLevelCritical=0, tmp___0=0, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e10d7f8=0, NULL=0, retValue_acc=0, NULL=36, NULL=0, tmp___1=0, tmp___0=0, NULL=18, NULL=14, tmp=0, cleanupTimeShifts=4, NULL=15, NULL=0, systemActive=1, waterLevel=1, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@294f4f85=0, NULL=0, NULL=0, NULL=12, \result=0, NULL=37, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=8, \result=0, NULL=0, NULL=34, tmp=1, retValue_acc=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d1a2516=0, NULL=0, tmp=0, \result=1, retValue_acc=1, NULL=39, NULL=35, NULL=22, NULL=0, NULL=27, tmp___2=56, tmp=1, NULL=17, tmp___0=0, NULL=19, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751a10b1=0, \result=0, NULL=24, NULL=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b5b1ac1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@184b0e7b=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69d3b7fe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e6d991=0, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@173696dd=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3df8145=0, tmp=0, NULL=0, NULL=0, NULL=20, NULL=0, NULL=16, NULL=11, NULL=0, NULL=0, NULL=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L76] int waterLevel = 1; [L77] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L395] int pumpRunning = 0; [L396] int systemActive = 1; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L258] int retValue_acc ; [L259] int tmp ; [L307] int retValue_acc ; [L310] retValue_acc = 1 [L311] return (retValue_acc); [L265] tmp = valid_product() [L267] COND TRUE \read(tmp) [L318] int splverifierCounter ; [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L322] int tmp___2 ; [L325] splverifierCounter = 0 Loop: [L327] COND TRUE 1 [L329] COND TRUE splverifierCounter < 4 [L335] tmp = __VERIFIER_nondet_int() [L337] COND FALSE !(\read(tmp)) [L345] tmp___0 = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp___0)) [L355] tmp___2 = __VERIFIER_nondet_int() [L357] COND TRUE \read(tmp___2) [L595] systemActive = 1 [L402] COND FALSE !(\read(pumpRunning)) [L409] COND TRUE \read(systemActive) [L457] int tmp ; [L460] COND FALSE !(\read(pumpRunning)) [L431] int tmp ; [L434] COND TRUE ! pumpRunning [L554] int retValue_acc ; [L555] int tmp ; [L556] int tmp___0 ; [L156] int retValue_acc ; [L159] COND TRUE waterLevel < 2 [L160] retValue_acc = 1 [L161] return (retValue_acc); [L560] tmp = isHighWaterSensorDry() [L562] COND TRUE \read(tmp) [L563] tmp___0 = 0 [L567] retValue_acc = tmp___0 [L568] return (retValue_acc); [L436] tmp = isHighWaterLevel() [L438] COND FALSE !(\read(tmp)) [L44] int tmp ; [L45] int tmp___0 ; [L115] int retValue_acc ; [L118] retValue_acc = methaneLevelCritical [L119] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...