./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 11:50:39,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:50:39,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:50:39,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:50:39,567 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:50:39,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:50:39,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:50:39,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:50:39,571 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:50:39,571 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:50:39,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:50:39,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:50:39,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:50:39,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:50:39,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:50:39,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:50:39,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:50:39,576 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:50:39,578 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:50:39,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:50:39,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:50:39,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:50:39,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:50:39,582 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:50:39,582 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:50:39,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:50:39,583 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:50:39,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:50:39,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:50:39,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:50:39,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:50:39,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:50:39,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:50:39,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:50:39,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:50:39,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:50:39,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:50:39,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:50:39,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:50:39,600 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:50:39,600 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:50:39,600 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:50:39,600 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:50:39,601 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:50:39,601 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:50:39,601 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:50:39,601 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:50:39,601 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:50:39,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:50:39,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:50:39,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:50:39,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:50:39,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:50:39,603 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:50:39,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:50:39,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:50:39,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:50:39,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:50:39,604 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:50:39,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:50:39,604 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:50:39,604 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:50:39,605 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:50:39,605 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_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2018-11-28 11:50:39,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:50:39,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:50:39,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:50:39,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:50:39,641 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:50:39,641 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-28 11:50:39,685 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/data/6e6319876/288ece4a31b445229e466a0e482598f7/FLAG7ab559904 [2018-11-28 11:50:40,098 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:50:40,099 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-28 11:50:40,106 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/data/6e6319876/288ece4a31b445229e466a0e482598f7/FLAG7ab559904 [2018-11-28 11:50:40,116 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/data/6e6319876/288ece4a31b445229e466a0e482598f7 [2018-11-28 11:50:40,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:50:40,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:50:40,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:50:40,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:50:40,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:50:40,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40, skipping insertion in model container [2018-11-28 11:50:40,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:50:40,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:50:40,339 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:50:40,401 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:50:40,456 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:50:40,476 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:50:40,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40 WrapperNode [2018-11-28 11:50:40,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:50:40,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:50:40,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:50:40,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:50:40,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:50:40,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:50:40,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:50:40,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:50:40,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:50:40,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:50:40,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:50:40,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:50:40,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:50:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:50:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:50:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:50:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:50:41,025 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:50:41,025 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-11-28 11:50:41,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:41 BoogieIcfgContainer [2018-11-28 11:50:41,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:50:41,026 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:50:41,026 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:50:41,030 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:50:41,031 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:50:41,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:50:40" (1/3) ... [2018-11-28 11:50:41,032 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32b910a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:41, skipping insertion in model container [2018-11-28 11:50:41,032 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:50:41,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (2/3) ... [2018-11-28 11:50:41,032 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32b910a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:41, skipping insertion in model container [2018-11-28 11:50:41,032 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:50:41,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:41" (3/3) ... [2018-11-28 11:50:41,034 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-28 11:50:41,079 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:50:41,079 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:50:41,079 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:50:41,080 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:50:41,080 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:50:41,080 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:50:41,080 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:50:41,080 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:50:41,080 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:50:41,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2018-11-28 11:50:41,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 11:50:41,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:50:41,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:50:41,123 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:50:41,123 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:50:41,124 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:50:41,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2018-11-28 11:50:41,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 11:50:41,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:50:41,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:50:41,128 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:50:41,128 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:50:41,133 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 11#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 6#L168true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 25#L176true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 42#L132true assume 0 != main_~tmp~0; 26#L103true ~methAndRunningLastTime~0 := 0; 73#L529true havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 76#L540-1true [2018-11-28 11:50:41,134 INFO L796 eck$LassoCheckResult]: Loop: 76#L540-1true assume !false; 70#L192true assume test_~splverifierCounter~0 < 4; 16#L193true test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; 10#L201true assume !(0 != test_~tmp~1); 7#L201-1true test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; 65#L211true assume !(0 != test_~tmp___0~0); 62#L211-1true test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; 45#L221true assume 0 != test_~tmp___2~0; 35#L227-2true assume !(0 != ~pumpRunning~0); 44#L261true assume !(0 != ~systemActive~0); 49#L268true havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 12#L468true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 71#L540true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 76#L540-1true [2018-11-28 11:50:41,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:50:41,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 11:50:41,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:50:41,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:50:41,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:50:41,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:50:41,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2599242, now seen corresponding path program 1 times [2018-11-28 11:50:41,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:50:41,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:50:41,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:50:41,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:50:41,320 INFO L82 PathProgramCache]: Analyzing trace with hash 835895748, now seen corresponding path program 1 times [2018-11-28 11:50:41,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:50:41,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:50:41,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:50:41,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:50:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:50:41,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:50:41,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:50:41,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:50:41,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:50:41,564 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 6 states. [2018-11-28 11:50:41,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:50:41,625 INFO L93 Difference]: Finished difference Result 76 states and 104 transitions. [2018-11-28 11:50:41,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:50:41,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 104 transitions. [2018-11-28 11:50:41,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 11:50:41,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2018-11-28 11:50:41,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2018-11-28 11:50:41,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2018-11-28 11:50:41,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2018-11-28 11:50:41,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:50:41,637 INFO L705 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2018-11-28 11:50:41,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2018-11-28 11:50:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-28 11:50:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-28 11:50:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2018-11-28 11:50:41,664 INFO L728 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2018-11-28 11:50:41,664 INFO L608 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2018-11-28 11:50:41,664 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:50:41,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2018-11-28 11:50:41,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 11:50:41,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:50:41,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:50:41,666 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:50:41,666 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:50:41,666 INFO L794 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 188#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 176#L168 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 177#L176 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 207#L132 assume 0 != main_~tmp~0; 210#L103 ~methAndRunningLastTime~0 := 0; 211#L529 havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 181#L540-1 [2018-11-28 11:50:41,667 INFO L796 eck$LassoCheckResult]: Loop: 181#L540-1 assume !false; 238#L192 assume test_~splverifierCounter~0 < 4; 197#L193 test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; 184#L201 assume !(0 != test_~tmp~1); 178#L201-1 test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; 179#L211 assume !(0 != test_~tmp___0~0); 228#L211-1 test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; 226#L221 assume 0 != test_~tmp___2~0; 220#L227-2 assume !(0 != ~pumpRunning~0); 203#L261 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 204#L293 assume !(0 != ~pumpRunning~0); 206#L268 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 186#L468 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 187#L540 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 181#L540-1 [2018-11-28 11:50:41,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:50:41,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 11:50:41,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:50:41,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:50:41,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:50:41,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:50:41,710 INFO L82 PathProgramCache]: Analyzing trace with hash 53583393, now seen corresponding path program 1 times [2018-11-28 11:50:41,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:50:41,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:50:41,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,711 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:50:41,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:50:41,720 INFO L82 PathProgramCache]: Analyzing trace with hash 115971303, now seen corresponding path program 1 times [2018-11-28 11:50:41,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:50:41,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:50:41,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:50:41,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:50:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:50:46,297 WARN L180 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 11:50:48,374 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 11:50:48,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:50:48 BoogieIcfgContainer [2018-11-28 11:50:48,413 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:50:48,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:50:48,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:50:48,414 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:50:48,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:41" (3/4) ... [2018-11-28 11:50:48,418 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:50:48,458 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a07ad69-3e30-453c-bce1-e21d1a0e9f66/bin-2019/uautomizer/witness.graphml [2018-11-28 11:50:48,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:50:48,459 INFO L168 Benchmark]: Toolchain (without parser) took 8339.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.6 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -65.8 MB). Peak memory consumption was 206.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:48,459 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-28 11:50:48,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:48,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.61 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:48,460 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 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. [2018-11-28 11:50:48,460 INFO L168 Benchmark]: RCFGBuilder took 469.47 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:48,461 INFO L168 Benchmark]: BuchiAutomizer took 7387.50 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 365.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:48,461 INFO L168 Benchmark]: Witness Printer took 44.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:48,463 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 356.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.61 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.95 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 469.47 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7387.50 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 365.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.1s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 304 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: 191]: 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=20, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30e28f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd29346=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24359d67=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ae01d50=0, NULL=0, NULL=29, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, NULL=39, NULL=0, NULL=34, NULL=0, tmp___1=0, NULL=11, NULL=15, cleanupTimeShifts=4, tmp=0, NULL=37, NULL=18, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=27, NULL=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e7e8447=0, retValue_acc=0, NULL=0, NULL=19, NULL=0, tmp___0=0, NULL=33, NULL=0, NULL=0, NULL=0, \result=1, NULL=16, head=0, pumpRunning=0, tmp=1, NULL=35, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21dd5fb3=0, NULL=28, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4de09b67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29528049=0, NULL=38, NULL=31, NULL=14, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=26, NULL=24, tmp=0, head=0, NULL=12, NULL=0, NULL=8, NULL=0, NULL=17, NULL=0, NULL=0, tmp=0, NULL=40} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L253] int pumpRunning = 0; [L254] int systemActive = 1; [L425] int waterLevel = 1; [L426] int methaneLevelCritical = 0; [L523] int methAndRunningLastTime ; [L731] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L528] methAndRunningLastTime = 0 [L182] int splverifierCounter ; [L183] int tmp ; [L184] int tmp___0 ; [L185] int tmp___1 ; [L186] int tmp___2 ; [L189] splverifierCounter = 0 Loop: [L191] COND TRUE 1 [L193] COND TRUE splverifierCounter < 4 [L199] tmp = __VERIFIER_nondet_int() [L201] COND FALSE !(\read(tmp)) [L209] tmp___0 = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp___0)) [L219] tmp___2 = __VERIFIER_nondet_int() [L221] COND TRUE \read(tmp___2) [L261] COND FALSE !(\read(pumpRunning)) [L268] COND TRUE \read(systemActive) [L290] int tmp ; [L293] COND FALSE !(\read(pumpRunning)) [L533] int tmp ; [L534] int tmp___0 ; [L464] int retValue_acc ; [L467] retValue_acc = methaneLevelCritical [L468] return (retValue_acc); [L538] tmp = isMethaneLevelCritical() [L540] COND FALSE !(\read(tmp)) [L556] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...