./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ca334e090ac37635ea5e20a191b6f0bec293495 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:22:44,459 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:22:44,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:22:44,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:22:44,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:22:44,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:22:44,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:22:44,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:22:44,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:22:44,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:22:44,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:22:44,470 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:22:44,471 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:22:44,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:22:44,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:22:44,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:22:44,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:22:44,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:22:44,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:22:44,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:22:44,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:22:44,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:22:44,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:22:44,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:22:44,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:22:44,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:22:44,479 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:22:44,479 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:22:44,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:22:44,480 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:22:44,480 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:22:44,481 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:22:44,481 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:22:44,481 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:22:44,481 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:22:44,482 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:22:44,482 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 10:22:44,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:22:44,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:22:44,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:22:44,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:22:44,491 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:22:44,491 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 10:22:44,491 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 10:22:44,491 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 10:22:44,491 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 10:22:44,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:22:44,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 10:22:44,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:22:44,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 10:22:44,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:22:44,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:22:44,494 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 10:22:44,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:22:44,494 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:22:44,495 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 10:22:44,495 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 10:22:44,495 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_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2018-12-09 10:22:44,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:22:44,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:22:44,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:22:44,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:22:44,528 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:22:44,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-12-09 10:22:44,564 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/data/d15cb02ae/63d43a0715af4a8c933478d488b7c2d7/FLAGd981fa28a [2018-12-09 10:22:45,037 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:22:45,037 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-12-09 10:22:45,044 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/data/d15cb02ae/63d43a0715af4a8c933478d488b7c2d7/FLAGd981fa28a [2018-12-09 10:22:45,052 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/data/d15cb02ae/63d43a0715af4a8c933478d488b7c2d7 [2018-12-09 10:22:45,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:22:45,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:22:45,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:22:45,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:22:45,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:22:45,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45, skipping insertion in model container [2018-12-09 10:22:45,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:22:45,083 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:22:45,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:22:45,268 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:22:45,310 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:22:45,324 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:22:45,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45 WrapperNode [2018-12-09 10:22:45,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:22:45,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:22:45,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:22:45,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:22:45,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:22:45,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:22:45,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:22:45,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:22:45,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... [2018-12-09 10:22:45,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:22:45,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:22:45,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:22:45,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:22:45,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/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 10:22:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:22:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:22:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:22:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:22:45,718 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:22:45,718 INFO L280 CfgBuilder]: Removed 156 assue(true) statements. [2018-12-09 10:22:45,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:22:45 BoogieIcfgContainer [2018-12-09 10:22:45,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:22:45,718 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 10:22:45,719 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 10:22:45,721 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 10:22:45,721 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:22:45,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 10:22:45" (1/3) ... [2018-12-09 10:22:45,722 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50e65936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 10:22:45, skipping insertion in model container [2018-12-09 10:22:45,722 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:22:45,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:22:45" (2/3) ... [2018-12-09 10:22:45,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50e65936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 10:22:45, skipping insertion in model container [2018-12-09 10:22:45,723 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:22:45,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:22:45" (3/3) ... [2018-12-09 10:22:45,724 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-12-09 10:22:45,754 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:22:45,755 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 10:22:45,755 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 10:22:45,755 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 10:22:45,755 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:22:45,755 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:22:45,755 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 10:22:45,755 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:22:45,755 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 10:22:45,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-12-09 10:22:45,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-12-09 10:22:45,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:22:45,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:22:45,786 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 10:22:45,786 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:22:45,786 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 10:22:45,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-12-09 10:22:45,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-12-09 10:22:45,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:22:45,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:22:45,790 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 10:22:45,790 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:22:45,793 INFO L794 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 5#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 68#L696true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 97#L704true main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 15#L791true assume 0 != main_~tmp~7; 52#L768true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L814-1true [2018-12-09 10:22:45,794 INFO L796 eck$LassoCheckResult]: Loop: 94#L814-1true assume !false; 51#L242true assume test_~splverifierCounter~0 < 4; 17#L243true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 26#L251true assume !(0 != test_~tmp~3); 24#L251-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 67#L261true assume !(0 != test_~tmp___0~1); 91#L261-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 8#L271true assume 0 != test_~tmp___2~0; 98#L277-2true assume !(0 != ~pumpRunning~0); 104#L57true assume !(0 != ~systemActive~0); 31#L64true havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 10#L907true __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 93#L814true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 94#L814-1true [2018-12-09 10:22:45,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:22:45,798 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 10:22:45,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:22:45,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:22:45,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:45,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:22:45,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:45,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:22:45,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2018-12-09 10:22:45,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:22:45,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:22:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:45,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:22:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:45,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:22:45,952 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2018-12-09 10:22:45,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:22:45,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:22:45,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:45,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:22:45,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:22:46,037 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 10:22:46,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:22:46,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:22:46,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:22:46,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:22:46,090 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 6 states. [2018-12-09 10:22:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:22:46,151 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2018-12-09 10:22:46,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:22:46,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2018-12-09 10:22:46,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-12-09 10:22:46,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2018-12-09 10:22:46,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-12-09 10:22:46,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-12-09 10:22:46,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2018-12-09 10:22:46,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 10:22:46,162 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-12-09 10:22:46,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2018-12-09 10:22:46,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 10:22:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 10:22:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2018-12-09 10:22:46,188 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-12-09 10:22:46,188 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-12-09 10:22:46,188 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 10:22:46,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2018-12-09 10:22:46,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-12-09 10:22:46,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:22:46,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:22:46,189 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 10:22:46,189 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:22:46,189 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 243#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 244#L696 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 285#L704 main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 288#L791 assume 0 != main_~tmp~7; 263#L768 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 264#L814-1 [2018-12-09 10:22:46,190 INFO L796 eck$LassoCheckResult]: Loop: 264#L814-1 assume !false; 257#L242 assume test_~splverifierCounter~0 < 4; 258#L243 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 295#L251 assume !(0 != test_~tmp~3); 309#L251-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 282#L261 assume !(0 != test_~tmp___0~1); 283#L261-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 251#L271 assume 0 != test_~tmp___2~0; 248#L277-2 assume !(0 != ~pumpRunning~0); 279#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 296#L115 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 297#L89-1 assume !(0 != ~pumpRunning~0); 287#L64 havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 260#L907 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 261#L814 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 264#L814-1 [2018-12-09 10:22:46,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:22:46,190 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 10:22:46,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:22:46,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:22:46,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:46,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:22:46,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:46,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:22:46,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2018-12-09 10:22:46,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:22:46,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:22:46,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:46,248 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 10:22:46,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:46,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:22:46,254 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2018-12-09 10:22:46,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:22:46,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:22:46,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:46,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:22:46,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:22:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:22:50,502 WARN L180 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 10:22:52,495 WARN L180 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 10:22:52,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 10:22:52 BoogieIcfgContainer [2018-12-09 10:22:52,532 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 10:22:52,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:22:52,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:22:52,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:22:52,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:22:45" (3/4) ... [2018-12-09 10:22:52,534 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 10:22:52,565 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dca37f3c-88d1-45b7-b9d2-54a7886bbfab/bin-2019/uautomizer/witness.graphml [2018-12-09 10:22:52,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:22:52,565 INFO L168 Benchmark]: Toolchain (without parser) took 7511.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.7 MB in the beginning and 934.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:22:52,566 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:22:52,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:22:52,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:22:52,566 INFO L168 Benchmark]: Boogie Preprocessor took 21.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:22:52,567 INFO L168 Benchmark]: RCFGBuilder took 335.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:22:52,567 INFO L168 Benchmark]: BuchiAutomizer took 6813.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.0 GB in the beginning and 936.3 MB in the end (delta: 77.9 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:22:52,567 INFO L168 Benchmark]: Witness Printer took 33.08 ms. Allocated memory is still 1.2 GB. Free memory was 936.3 MB in the beginning and 934.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:22:52,568 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 335.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6813.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.0 GB in the beginning and 936.3 MB in the end (delta: 77.9 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.08 ms. Allocated memory is still 1.2 GB. Free memory was 936.3 MB in the beginning and 934.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 418 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 241]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=34, NULL=22, NULL=0, retValue_acc=1, NULL=38, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=24, tmp=0, NULL=14, NULL=29, methaneLevelCritical=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28b673ae=0, tmp=0, NULL=0, NULL=0, NULL=33, tmp___1=0, NULL=0, NULL=0, NULL=0, cleanupTimeShifts=4, NULL=17, NULL=8, NULL=27, tmp___0=0, NULL=12, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=16, NULL=0, NULL=18, NULL=20, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=37, \result=1, NULL=31, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ada7e9d=0, \result=0, NULL=23, NULL=28, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e2cb822=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@535a2723=56, retValue_acc=1, NULL=0, tmp=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=39, NULL=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6422688a=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61210f7c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7436b0e6=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@281b37d9=0, NULL=19, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66a6f37e=0, NULL=15, NULL=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L474] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int cleanupTimeShifts = 4; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; [L782] int retValue_acc ; [L783] int tmp ; [L700] int retValue_acc ; [L703] retValue_acc = 1 [L704] return (retValue_acc); [L789] tmp = valid_product() [L791] COND TRUE \read(tmp) [L232] int splverifierCounter ; [L233] int tmp ; [L234] int tmp___0 ; [L235] int tmp___1 ; [L236] int tmp___2 ; [L239] splverifierCounter = 0 Loop: [L241] COND TRUE 1 [L243] COND TRUE splverifierCounter < 4 [L249] tmp = __VERIFIER_nondet_int() [L251] COND FALSE !(\read(tmp)) [L259] tmp___0 = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp___0)) [L269] tmp___2 = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L112] int tmp ; [L115] COND FALSE !(\read(pumpRunning)) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L807] int tmp ; [L808] int tmp___0 ; [L903] int retValue_acc ; [L906] retValue_acc = waterLevel [L907] return (retValue_acc); [L812] tmp = getWaterLevel() [L814] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...