./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_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_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/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 eee003d188141d192a4a75bb282a26c7c76ed342 .................................................................................................................................................................................................................................................................................................................................................................................... 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 12:52:27,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:52:27,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:52:27,570 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:52:27,570 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:52:27,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:52:27,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:52:27,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:52:27,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:52:27,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:52:27,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:52:27,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:52:27,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:52:27,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:52:27,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:52:27,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:52:27,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:52:27,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:52:27,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:52:27,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:52:27,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:52:27,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:52:27,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:52:27,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:52:27,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:52:27,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:52:27,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:52:27,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:52:27,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:52:27,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:52:27,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:52:27,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:52:27,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:52:27,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:52:27,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:52:27,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:52:27,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:52:27,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:52:27,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:52:27,599 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:52:27,599 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:52:27,599 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:52:27,599 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:52:27,599 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:52:27,599 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:52:27,599 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:52:27,599 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:52:27,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:52:27,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:52:27,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:52:27,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:52:27,602 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:52:27,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:52:27,602 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:52:27,602 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:52:27,603 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:52:27,603 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_ecfd4c53-aedc-4268-baff-f30c28c100fa/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 -> eee003d188141d192a4a75bb282a26c7c76ed342 [2018-11-28 12:52:27,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:52:27,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:52:27,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:52:27,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:52:27,635 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:52:27,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-28 12:52:27,678 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/data/37af61d59/92c9f742cfe54318a5154b10443962c9/FLAGe5faba36d [2018-11-28 12:52:28,043 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:52:28,044 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-28 12:52:28,051 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/data/37af61d59/92c9f742cfe54318a5154b10443962c9/FLAGe5faba36d [2018-11-28 12:52:28,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/data/37af61d59/92c9f742cfe54318a5154b10443962c9 [2018-11-28 12:52:28,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:52:28,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:52:28,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:52:28,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:52:28,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:52:28,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28, skipping insertion in model container [2018-11-28 12:52:28,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:52:28,104 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:52:28,298 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:52:28,343 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:52:28,394 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:52:28,413 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:52:28,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28 WrapperNode [2018-11-28 12:52:28,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:52:28,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:52:28,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:52:28,414 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:52:28,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:52:28,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:52:28,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:52:28,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:52:28,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... [2018-11-28 12:52:28,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:52:28,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:52:28,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:52:28,484 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:52:28,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/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 12:52:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:52:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:52:28,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:52:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:52:28,897 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:52:28,897 INFO L280 CfgBuilder]: Removed 100 assue(true) statements. [2018-11-28 12:52:28,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:52:28 BoogieIcfgContainer [2018-11-28 12:52:28,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:52:28,898 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:52:28,898 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:52:28,901 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:52:28,901 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:52:28,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:52:28" (1/3) ... [2018-11-28 12:52:28,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@931df03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:52:28, skipping insertion in model container [2018-11-28 12:52:28,902 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:52:28,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28" (2/3) ... [2018-11-28 12:52:28,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@931df03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:52:28, skipping insertion in model container [2018-11-28 12:52:28,903 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:52:28,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:52:28" (3/3) ... [2018-11-28 12:52:28,904 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-28 12:52:28,939 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:52:28,939 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:52:28,939 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:52:28,939 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:52:28,939 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:52:28,939 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:52:28,940 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:52:28,940 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:52:28,940 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:52:28,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2018-11-28 12:52:28,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-11-28 12:52:28,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:52:28,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:52:28,974 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:52:28,974 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:52:28,974 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:52:28,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2018-11-28 12:52:28,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-11-28 12:52:28,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:52:28,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:52:28,978 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:52:28,978 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:52:28,982 INFO L794 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 7#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 4#L409true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 24#L417true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 5#L504true assume 0 != main_~tmp~3; 59#L481true havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L136-1true [2018-11-28 12:52:28,983 INFO L796 eck$LassoCheckResult]: Loop: 23#L136-1true assume !false; 65#L328true assume test_~splverifierCounter~0 < 4; 8#L329true test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 32#L337true assume !(0 != test_~tmp~2); 34#L337-1true test_~tmp___0~1 := test_#t~nondet31;havoc test_#t~nondet31; 15#L347true assume !(0 != test_~tmp___0~1); 18#L347-1true test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 69#L357true assume 0 != test_~tmp___2~0; 44#L363-1true assume !(0 != ~pumpRunning~0); 3#L175true assume !(0 != ~systemActive~0); 10#L182true havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 51#L89-1true __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 26#L136true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 23#L136-1true [2018-11-28 12:52:28,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:52:28,987 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:52:28,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:52:28,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:52:29,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:52:29,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:52:29,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310517, now seen corresponding path program 1 times [2018-11-28 12:52:29,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:52:29,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:52:29,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:52:29,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:52:29,150 INFO L82 PathProgramCache]: Analyzing trace with hash 40968421, now seen corresponding path program 1 times [2018-11-28 12:52:29,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:52:29,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:52:29,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:52:29,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:52:29,248 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 12:52:29,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:52:29,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:52:29,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:52:29,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:52:29,330 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 6 states. [2018-11-28 12:52:29,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:52:29,454 INFO L93 Difference]: Finished difference Result 180 states and 246 transitions. [2018-11-28 12:52:29,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:52:29,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 246 transitions. [2018-11-28 12:52:29,460 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 113 [2018-11-28 12:52:29,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 159 states and 225 transitions. [2018-11-28 12:52:29,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2018-11-28 12:52:29,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2018-11-28 12:52:29,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 225 transitions. [2018-11-28 12:52:29,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:52:29,468 INFO L705 BuchiCegarLoop]: Abstraction has 159 states and 225 transitions. [2018-11-28 12:52:29,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 225 transitions. [2018-11-28 12:52:29,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 102. [2018-11-28 12:52:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 12:52:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2018-11-28 12:52:29,501 INFO L728 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2018-11-28 12:52:29,501 INFO L608 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2018-11-28 12:52:29,501 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:52:29,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2018-11-28 12:52:29,502 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2018-11-28 12:52:29,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:52:29,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:52:29,503 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:52:29,503 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:52:29,503 INFO L794 eck$LassoCheckResult]: Stem: 302#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 272#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 268#L409 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 269#L417 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 270#L504 assume 0 != main_~tmp~3; 271#L481 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 293#L136-1 [2018-11-28 12:52:29,503 INFO L796 eck$LassoCheckResult]: Loop: 293#L136-1 assume !false; 294#L328 assume test_~splverifierCounter~0 < 4; 273#L329 test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 274#L337 assume !(0 != test_~tmp~2); 305#L337-1 test_~tmp___0~1 := test_#t~nondet31;havoc test_#t~nondet31; 285#L347 assume !(0 != test_~tmp___0~1); 280#L347-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 288#L357 assume 0 != test_~tmp___2~0; 313#L363-1 assume !(0 != ~pumpRunning~0); 266#L175 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 267#L207 assume !(0 != ~pumpRunning~0); 277#L182 havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 278#L89-1 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 297#L136 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 293#L136-1 [2018-11-28 12:52:29,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:52:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:52:29,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:52:29,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:52:29,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:52:29,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:52:29,542 INFO L82 PathProgramCache]: Analyzing trace with hash -353546757, now seen corresponding path program 1 times [2018-11-28 12:52:29,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:52:29,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:52:29,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,543 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:52:29,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:52:29,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492769, now seen corresponding path program 1 times [2018-11-28 12:52:29,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:52:29,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:52:29,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:52:29,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:52:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:52:34,721 WARN L180 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:52:37,133 WARN L180 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:52:37,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:52:37 BoogieIcfgContainer [2018-11-28 12:52:37,169 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:52:37,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:52:37,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:52:37,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:52:37,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:52:28" (3/4) ... [2018-11-28 12:52:37,173 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:52:37,209 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ecfd4c53-aedc-4268-baff-f30c28c100fa/bin-2019/uautomizer/witness.graphml [2018-11-28 12:52:37,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:52:37,210 INFO L168 Benchmark]: Toolchain (without parser) took 9145.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.6 MB). Free memory was 950.6 MB in the beginning and 881.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 341.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,210 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:52:37,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -207.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,211 INFO L168 Benchmark]: Boogie Preprocessor took 24.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,212 INFO L168 Benchmark]: RCFGBuilder took 414.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,212 INFO L168 Benchmark]: BuchiAutomizer took 8271.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 893.7 MB in the end (delta: 209.6 MB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,214 INFO L168 Benchmark]: Witness Printer took 39.61 ms. Allocated memory is still 1.3 GB. Free memory was 893.7 MB in the beginning and 881.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:52:37,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -207.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 414.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8271.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 893.7 MB in the end (delta: 209.6 MB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. * Witness Printer took 39.61 ms. Allocated memory is still 1.3 GB. Free memory was 893.7 MB in the beginning and 881.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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 102 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 102 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 411 SDslu, 434 SDs, 0 SdLazy, 38 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 327]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=33, NULL=0, retValue_acc=0, NULL=0, NULL=20, NULL=38, NULL=0, retValue_acc=0, NULL=35, NULL=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b3193a3=0, NULL=14, NULL=19, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=40, NULL=0, tmp___1=0, NULL=23, NULL=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5094361e=0, tmp___0=0, cleanupTimeShifts=4, NULL=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed2f3ee=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55b21901=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18bdfda8=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=17, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=18, \result=0, NULL=28, tmp=1, NULL=0, NULL=8, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d3e2a2d=56, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dd7fdad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55c6163e=0, NULL=11, NULL=36, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=34, NULL=16, tmp=0, head=0, NULL=29, NULL=24, NULL=37, NULL=22, NULL=12} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L422] int cleanupTimeShifts = 4; [L687] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L495] int retValue_acc ; [L496] int tmp ; [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); [L502] tmp = valid_product() [L504] COND TRUE \read(tmp) [L318] int splverifierCounter ; [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L322] int tmp___2 ; [L325] splverifierCounter = 0 Loop: [L327] COND TRUE 1 [L329] COND TRUE splverifierCounter < 4 [L335] tmp = __VERIFIER_nondet_int() [L337] COND FALSE !(\read(tmp)) [L345] tmp___0 = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp___0)) [L355] tmp___2 = __VERIFIER_nondet_int() [L357] COND TRUE \read(tmp___2) [L175] COND FALSE !(\read(pumpRunning)) [L182] COND TRUE \read(systemActive) [L204] int tmp ; [L207] COND FALSE !(\read(pumpRunning)) [L129] int tmp ; [L130] int tmp___0 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L134] tmp = isMethaneLevelCritical() [L136] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...