./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-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_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/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 c01215307b2c8189e4e6745962a1a26d113e8096 ............................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-01 15:07:14,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:07:14,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:07:14,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:07:14,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:07:14,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:07:14,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:07:14,500 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:07:14,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:07:14,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:07:14,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:07:14,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:07:14,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:07:14,503 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:07:14,503 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:07:14,504 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:07:14,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:07:14,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:07:14,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:07:14,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:07:14,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:07:14,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:07:14,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:07:14,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:07:14,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:07:14,509 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:07:14,510 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:07:14,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:07:14,511 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:07:14,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:07:14,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:07:14,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:07:14,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:07:14,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:07:14,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:07:14,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:07:14,513 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 15:07:14,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:07:14,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:07:14,521 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:07:14,521 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:07:14,521 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:07:14,522 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 15:07:14,522 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:07:14,522 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 15:07:14,523 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 15:07:14,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:07:14,523 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:07:14,524 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 15:07:14,524 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 15:07:14,524 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_e6f3ff92-6300-44d3-af31-154329a66520/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2018-12-01 15:07:14,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:07:14,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:07:14,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:07:14,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:07:14,551 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:07:14,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-12-01 15:07:14,589 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/data/07c234fe6/4f950713e0ef46368147c3666ecd63dd/FLAG47cd6f77d [2018-12-01 15:07:14,908 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:07:14,908 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-12-01 15:07:14,915 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/data/07c234fe6/4f950713e0ef46368147c3666ecd63dd/FLAG47cd6f77d [2018-12-01 15:07:14,923 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/data/07c234fe6/4f950713e0ef46368147c3666ecd63dd [2018-12-01 15:07:14,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:07:14,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:07:14,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:07:14,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:07:14,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:07:14,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:07:14" (1/1) ... [2018-12-01 15:07:14,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:14, skipping insertion in model container [2018-12-01 15:07:14,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:07:14" (1/1) ... [2018-12-01 15:07:14,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:07:14,967 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:07:15,136 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:07:15,177 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:07:15,213 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:07:15,228 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:07:15,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15 WrapperNode [2018-12-01 15:07:15,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:07:15,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:07:15,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:07:15,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:07:15,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:07:15,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:07:15,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:07:15,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:07:15,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... [2018-12-01 15:07:15,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:07:15,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:07:15,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:07:15,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:07:15,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/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 [2018-12-01 15:07:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:07:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 15:07:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:07:15,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:07:15,641 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:07:15,641 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-12-01 15:07:15,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:07:15 BoogieIcfgContainer [2018-12-01 15:07:15,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:07:15,642 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 15:07:15,642 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 15:07:15,644 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 15:07:15,645 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:07:15,645 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:07:14" (1/3) ... [2018-12-01 15:07:15,646 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5001dcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:07:15, skipping insertion in model container [2018-12-01 15:07:15,646 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:07:15,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:07:15" (2/3) ... [2018-12-01 15:07:15,646 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5001dcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:07:15, skipping insertion in model container [2018-12-01 15:07:15,646 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:07:15,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:07:15" (3/3) ... [2018-12-01 15:07:15,647 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-12-01 15:07:15,677 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:07:15,678 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 15:07:15,678 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 15:07:15,678 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 15:07:15,678 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:07:15,678 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:07:15,678 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 15:07:15,678 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:07:15,678 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 15:07:15,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-12-01 15:07:15,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-12-01 15:07:15,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:07:15,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:07:15,713 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:07:15,713 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:07:15,714 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 15:07:15,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-12-01 15:07:15,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-12-01 15:07:15,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:07:15,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:07:15,718 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:07:15,718 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:07:15,722 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9; 6#L365true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 28#L373true main_#t~ret63 := valid_product_#res;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 7#L866true assume 0 != main_~tmp~9; 93#L842true ~methAndRunningLastTime~0 := 0; 18#L750true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 20#L761-1true [2018-12-01 15:07:15,723 INFO L796 eck$LassoCheckResult]: Loop: 20#L761-1true assume !false; 48#L56true assume test_~splverifierCounter~0 < 4; 109#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 15#L65true assume !(0 != test_~tmp~0); 14#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 63#L75true assume !(0 != test_~tmp___0~0); 62#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 96#L85true assume 0 != test_~tmp___2~0; 69#L91-1true assume !(0 != ~pumpRunning~0); 94#L137true assume !(0 != ~systemActive~0); 34#L144true havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 108#L924-1true __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 17#L761true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 20#L761-1true [2018-12-01 15:07:15,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:07:15,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-01 15:07:15,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:07:15,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:07:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:15,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:07:15,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:15,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:07:15,867 INFO L82 PathProgramCache]: Analyzing trace with hash 12573267, now seen corresponding path program 1 times [2018-12-01 15:07:15,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:07:15,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:07:15,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:15,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:07:15,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:15,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:07:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash 845869773, now seen corresponding path program 1 times [2018-12-01 15:07:15,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:07:15,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:07:15,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:15,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:07:15,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:07:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:07:15,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:07:15,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:07:16,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:07:16,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:07:16,028 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-12-01 15:07:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:07:16,133 INFO L93 Difference]: Finished difference Result 262 states and 373 transitions. [2018-12-01 15:07:16,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 15:07:16,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 373 transitions. [2018-12-01 15:07:16,139 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2018-12-01 15:07:16,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 241 states and 352 transitions. [2018-12-01 15:07:16,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2018-12-01 15:07:16,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2018-12-01 15:07:16,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 352 transitions. [2018-12-01 15:07:16,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 15:07:16,148 INFO L705 BuchiCegarLoop]: Abstraction has 241 states and 352 transitions. [2018-12-01 15:07:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 352 transitions. [2018-12-01 15:07:16,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 145. [2018-12-01 15:07:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-01 15:07:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 211 transitions. [2018-12-01 15:07:16,180 INFO L728 BuchiCegarLoop]: Abstraction has 145 states and 211 transitions. [2018-12-01 15:07:16,180 INFO L608 BuchiCegarLoop]: Abstraction has 145 states and 211 transitions. [2018-12-01 15:07:16,181 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 15:07:16,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 211 transitions. [2018-12-01 15:07:16,182 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2018-12-01 15:07:16,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:07:16,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:07:16,183 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:07:16,183 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:07:16,183 INFO L794 eck$LassoCheckResult]: Stem: 482#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 404#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9; 394#L365 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 395#L373 main_#t~ret63 := valid_product_#res;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 396#L866 assume 0 != main_~tmp~9; 397#L842 ~methAndRunningLastTime~0 := 0; 414#L750 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 413#L761-1 [2018-12-01 15:07:16,184 INFO L796 eck$LassoCheckResult]: Loop: 413#L761-1 assume !false; 417#L56 assume test_~splverifierCounter~0 < 4; 455#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 408#L65 assume !(0 != test_~tmp~0); 391#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 407#L75 assume !(0 != test_~tmp___0~0); 467#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 468#L85 assume 0 != test_~tmp___2~0; 474#L91-1 assume !(0 != ~pumpRunning~0); 461#L137 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 486#L195 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 427#L169-1 assume !(0 != ~pumpRunning~0); 428#L144 havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 435#L924-1 __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 411#L761 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 413#L761-1 [2018-12-01 15:07:16,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:07:16,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-01 15:07:16,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:07:16,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:07:16,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:16,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:07:16,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:16,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:07:16,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1343596421, now seen corresponding path program 1 times [2018-12-01 15:07:16,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:07:16,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:07:16,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:16,230 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:07:16,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:16,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:07:16,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1017345665, now seen corresponding path program 1 times [2018-12-01 15:07:16,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:07:16,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:07:16,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:16,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:07:16,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:07:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:07:21,478 WARN L180 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-01 15:07:24,005 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-01 15:07:24,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:07:24 BoogieIcfgContainer [2018-12-01 15:07:24,036 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 15:07:24,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:07:24,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:07:24,037 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:07:24,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:07:15" (3/4) ... [2018-12-01 15:07:24,039 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 15:07:24,067 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6f3ff92-6300-44d3-af31-154329a66520/bin-2019/uautomizer/witness.graphml [2018-12-01 15:07:24,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:07:24,068 INFO L168 Benchmark]: Toolchain (without parser) took 9142.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 949.5 MB in the beginning and 969.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 284.2 MB. Max. memory is 11.5 GB. [2018-12-01 15:07:24,068 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. [2018-12-01 15:07:24,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:07:24,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.44 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. [2018-12-01 15:07:24,069 INFO L168 Benchmark]: Boogie Preprocessor took 20.13 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. [2018-12-01 15:07:24,069 INFO L168 Benchmark]: RCFGBuilder took 359.26 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:07:24,069 INFO L168 Benchmark]: BuchiAutomizer took 8394.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 1.1 GB in the beginning and 969.9 MB in the end (delta: 82.7 MB). Peak memory consumption was 357.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:07:24,069 INFO L168 Benchmark]: Witness Printer took 30.39 ms. Allocated memory is still 1.3 GB. Free memory is still 969.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:07:24,070 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 301.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.44 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 20.13 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 359.26 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8394.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 1.1 GB in the beginning and 969.9 MB in the end (delta: 82.7 MB). Peak memory consumption was 357.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.39 ms. Allocated memory is still 1.3 GB. Free memory is still 969.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. 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, 96 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 145 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 150 SDtfs, 577 SDslu, 701 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: 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=12, NULL=0, NULL=0, NULL=35, NULL=0, NULL=31, NULL=23, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28d83ab0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28b0290c=56, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e60505=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@652b46d2=0, NULL=37, NULL=19, methaneLevelCritical=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58021d73=0, NULL=0, tmp___1=0, NULL=15, cleanupTimeShifts=4, tmp=0, NULL=8, NULL=17, NULL=39, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6803819c=0, NULL=34, retValue_acc=0, NULL=0, NULL=20, NULL=28, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=33, NULL=27, \result=0, NULL=29, NULL=0, NULL=0, NULL=0, NULL=22, retValue_acc=1, NULL=36, NULL=0, NULL=0, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=26, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d9ea2a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f1a6e9a=0, tmp=0, head=0, tmp=0, NULL=14, tmp=1, NULL=0, NULL=0, NULL=40, NULL=18, NULL=0, NULL=38, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@431d431c=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L129] int pumpRunning = 0; [L130] int systemActive = 1; [L547] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L744] int methAndRunningLastTime ; [L783] int cleanupTimeShifts = 4; [L881] int waterLevel = 1; [L882] int methaneLevelCritical = 0; [L857] int retValue_acc ; [L858] int tmp ; [L369] int retValue_acc ; [L372] retValue_acc = 1 [L373] return (retValue_acc); [L864] tmp = valid_product() [L866] COND TRUE \read(tmp) [L749] methAndRunningLastTime = 0 [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L137] COND FALSE !(\read(pumpRunning)) [L144] COND TRUE \read(systemActive) [L192] int tmp ; [L195] COND FALSE !(\read(pumpRunning)) [L166] int tmp ; [L169] COND FALSE !(\read(pumpRunning)) [L754] int tmp ; [L755] int tmp___0 ; [L920] int retValue_acc ; [L923] retValue_acc = methaneLevelCritical [L924] return (retValue_acc); [L759] tmp = isMethaneLevelCritical() [L761] COND FALSE !(\read(tmp)) [L777] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...