./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/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 40fed9ba382e53b697a1093810870166e2d037a9 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 13:46:20,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:46:20,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:46:20,767 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:46:20,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:46:20,768 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:46:20,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:46:20,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:46:20,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:46:20,771 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:46:20,772 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:46:20,772 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:46:20,773 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:46:20,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:46:20,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:46:20,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:46:20,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:46:20,777 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:46:20,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:46:20,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:46:20,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:46:20,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:46:20,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:46:20,782 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:46:20,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:46:20,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:46:20,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:46:20,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:46:20,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:46:20,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:46:20,785 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:46:20,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:46:20,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:46:20,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:46:20,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:46:20,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:46:20,787 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:46:20,797 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:46:20,797 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:46:20,798 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:46:20,798 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:46:20,798 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:46:20,798 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:46:20,798 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:46:20,799 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:46:20,799 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:46:20,800 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:46:20,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:46:20,801 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:46:20,801 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:46:20,801 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:46:20,801 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:46:20,801 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:46:20,801 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:46:20,802 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:46:20,802 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_0aa88637-7841-4bcc-b4d8-312564bdb8cd/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2018-11-18 13:46:20,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:46:20,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:46:20,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:46:20,838 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:46:20,838 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:46:20,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-11-18 13:46:20,881 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/data/a0cb6607a/77e75f506d8d4161a0fa37e4a2925900/FLAG473e724eb [2018-11-18 13:46:21,241 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:46:21,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-11-18 13:46:21,248 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/data/a0cb6607a/77e75f506d8d4161a0fa37e4a2925900/FLAG473e724eb [2018-11-18 13:46:21,638 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/data/a0cb6607a/77e75f506d8d4161a0fa37e4a2925900 [2018-11-18 13:46:21,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:46:21,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:46:21,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:21,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:46:21,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:46:21,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:21,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbcdb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21, skipping insertion in model container [2018-11-18 13:46:21,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:21,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:46:21,684 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:46:21,871 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:21,880 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:46:21,979 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:46:21,998 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:46:21,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21 WrapperNode [2018-11-18 13:46:21,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:46:22,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:46:22,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:46:22,000 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:46:22,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:46:22,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:46:22,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:46:22,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:46:22,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... [2018-11-18 13:46:22,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:46:22,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:46:22,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:46:22,085 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:46:22,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/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 [2018-11-18 13:46:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:46:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:46:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:46:22,766 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:46:22,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:22 BoogieIcfgContainer [2018-11-18 13:46:22,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:46:22,767 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:46:22,767 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:46:22,769 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:46:22,769 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:46:22,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:46:21" (1/3) ... [2018-11-18 13:46:22,770 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a466ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:46:22, skipping insertion in model container [2018-11-18 13:46:22,770 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:46:22,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:21" (2/3) ... [2018-11-18 13:46:22,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a466ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:46:22, skipping insertion in model container [2018-11-18 13:46:22,771 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:46:22,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:22" (3/3) ... [2018-11-18 13:46:22,772 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-11-18 13:46:22,806 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:46:22,806 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:46:22,806 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:46:22,806 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:46:22,806 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:46:22,806 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:46:22,806 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:46:22,807 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:46:22,807 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:46:22,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 13:46:22,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 13:46:22,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:46:22,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:46:22,846 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:22,847 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:22,847 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:46:22,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 13:46:22,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 13:46:22,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:46:22,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:46:22,852 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:22,852 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:22,857 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 63#L934true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 148#L927true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 68#L942true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 127#L498true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 55#L469true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 12#L789true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 40#L717-3true [2018-11-18 13:46:22,857 INFO L796 eck$LassoCheckResult]: Loop: 40#L717-3true assume true; 36#L717-1true assume !false; 134#L718true assume test_~splverifierCounter~0 < 4; 86#L719true test_~tmp~7 := test_#t~nondet56;havoc test_#t~nondet56; 92#L727true assume !(0 != test_~tmp~7); 96#L727-2true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 147#L737true assume !(0 != test_~tmp___0~1); 149#L737-2true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 54#L747true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 56#L703true assume { :end_inline_startSystem } true; 61#L755-2true assume { :begin_inline_timeShift } true; 145#L528true assume !(0 != ~pumpRunning~0); 135#L528-2true assume !(0 != ~systemActive~0); 52#L535-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 8#L866-1true __utac_acc__Specification2_spec__2_#t~ret60 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret60;havoc __utac_acc__Specification2_spec__2_#t~ret60; 10#L800true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 15#L800-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 111#L545true assume { :end_inline_timeShift } true; 40#L717-3true [2018-11-18 13:46:22,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:22,863 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:46:22,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:22,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:22,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:22,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:22,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:23,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1632601287, now seen corresponding path program 1 times [2018-11-18 13:46:23,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:23,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:23,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:23,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:46:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:46:23,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:46:23,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:46:23,080 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:46:23,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:46:23,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:46:23,090 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2018-11-18 13:46:23,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:46:23,139 INFO L93 Difference]: Finished difference Result 154 states and 198 transitions. [2018-11-18 13:46:23,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:46:23,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 198 transitions. [2018-11-18 13:46:23,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2018-11-18 13:46:23,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 144 states and 187 transitions. [2018-11-18 13:46:23,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2018-11-18 13:46:23,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2018-11-18 13:46:23,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 187 transitions. [2018-11-18 13:46:23,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:46:23,153 INFO L705 BuchiCegarLoop]: Abstraction has 144 states and 187 transitions. [2018-11-18 13:46:23,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 187 transitions. [2018-11-18 13:46:23,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-18 13:46:23,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-18 13:46:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2018-11-18 13:46:23,176 INFO L728 BuchiCegarLoop]: Abstraction has 144 states and 187 transitions. [2018-11-18 13:46:23,176 INFO L608 BuchiCegarLoop]: Abstraction has 144 states and 187 transitions. [2018-11-18 13:46:23,176 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:46:23,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 187 transitions. [2018-11-18 13:46:23,178 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2018-11-18 13:46:23,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:46:23,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:46:23,179 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:23,179 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:46:23,180 INFO L794 eck$LassoCheckResult]: Stem: 452#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 342#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 343#L934 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 404#L927 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 407#L942 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 408#L498 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 397#L469 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 336#L789 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 337#L717-3 [2018-11-18 13:46:23,180 INFO L796 eck$LassoCheckResult]: Loop: 337#L717-3 assume true; 372#L717-1 assume !false; 373#L718 assume test_~splverifierCounter~0 < 4; 433#L719 test_~tmp~7 := test_#t~nondet56;havoc test_#t~nondet56; 434#L727 assume !(0 != test_~tmp~7); 357#L727-2 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 440#L737 assume !(0 != test_~tmp___0~1); 454#L737-2 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 392#L747 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 393#L703 assume { :end_inline_startSystem } true; 398#L755-2 assume { :begin_inline_timeShift } true; 401#L528 assume !(0 != ~pumpRunning~0); 431#L528-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 460#L586 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 367#L560-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 366#L552-3 assume { :end_inline_processEnvironment__wrappee__base } true; 360#L560-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 369#L586-1 assume { :end_inline_processEnvironment } true; 391#L535-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 327#L866-1 __utac_acc__Specification2_spec__2_#t~ret60 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret60;havoc __utac_acc__Specification2_spec__2_#t~ret60; 328#L800 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 331#L800-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 338#L545 assume { :end_inline_timeShift } true; 337#L717-3 [2018-11-18 13:46:23,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:23,180 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:46:23,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:23,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:23,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:23,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:23,235 INFO L82 PathProgramCache]: Analyzing trace with hash 2079291578, now seen corresponding path program 1 times [2018-11-18 13:46:23,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:23,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:23,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,236 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:46:23,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:46:23,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1392009295, now seen corresponding path program 1 times [2018-11-18 13:46:23,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:46:23,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:46:23,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:46:23,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:46:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:46:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:48:14,954 WARN L180 SmtUtils]: Spent 1.86 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:49:06,166 WARN L180 SmtUtils]: Spent 51.21 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:49:06,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:49:06 BoogieIcfgContainer [2018-11-18 13:49:06,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:49:06,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:49:06,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:49:06,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:49:06,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:22" (3/4) ... [2018-11-18 13:49:06,233 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:49:06,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0aa88637-7841-4bcc-b4d8-312564bdb8cd/bin-2019/uautomizer/witness.graphml [2018-11-18 13:49:06,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:49:06,272 INFO L168 Benchmark]: Toolchain (without parser) took 164631.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 956.4 MB in the beginning and 861.5 MB in the end (delta: 95.0 MB). Peak memory consumption was 291.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:49:06,273 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:49:06,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:49:06,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:49:06,273 INFO L168 Benchmark]: Boogie Preprocessor took 33.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:49:06,274 INFO L168 Benchmark]: RCFGBuilder took 681.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:49:06,274 INFO L168 Benchmark]: BuchiAutomizer took 163462.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 861.5 MB in the end (delta: 173.2 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:49:06,274 INFO L168 Benchmark]: Witness Printer took 42.26 ms. Allocated memory is still 1.2 GB. Free memory is still 861.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:49:06,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 681.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 163462.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 861.5 MB in the end (delta: 173.2 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. * Witness Printer took 42.26 ms. Allocated memory is still 1.2 GB. Free memory is still 861.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 144 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 163.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 163.2s. 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 144 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 195 SDtfs, 193 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 717]: 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, "Env(Water:%i"=0, ",Pump:"=0, ",Pump:"=16, "Pump(System:"=0, retValue_acc=0, ")"=39, "Off"=0, "Env(Water:%i"=34, "On"=0, methaneLevelCritical=0, retValue_acc=1, ",Meth:"=0, "OK"=0, tmp=0, tmp=0, "CRIT"=0, tmp___1=0, "__utac__get_this_argtype"=23, "__utac__get_this_arg"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fddbf91=0, "__utac__get_this_arg"=8, "libacc.c"=24, cleanupTimeShifts=4, "libacc.c"=20, "On"=17, "Off"=37, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, "OK"=31, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bf1c98f=0, retValue_acc=0, "Off"=15, "\n"=0, ") "=0, "Off"=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, ") "=36, "i > 0 && i <= this->argsCount"=11, tmp=1, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "On"=38, "CRIT"=29, "libacc.c"=28, ")"=0, tmp___2=40, "i > 0 && i <= this->argsCount"=22, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f24cf4f=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c2b25c8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16238947=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74a68aaa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d4eed=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59186c11=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70e3612b=0, head=0, "libacc.c"=0, tmp=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=26, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=19, "libacc.c"=0, "libacc.c"=0, "Pump(System:"=18, "\n"=35, "On"=0, ",Meth:"=33, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 717]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L648] FCALL "Pump(System:" [L652] FCALL "On" [L656] FCALL "Off" [L660] FCALL ",Pump:" [L664] FCALL "On" [L668] FCALL "Off" [L672] FCALL ") " [L674] FCALL "\n" [L875] FCALL "Env(Water:%i" [L876] FCALL ",Meth:" [L880] FCALL "CRIT" [L884] FCALL "OK" [L888] FCALL ")" [L406] int cleanupTimeShifts = 4; [L520] int pumpRunning = 0; [L521] int systemActive = 1; [L783] int methAndRunningLastTime ; [L823] int waterLevel = 1; [L824] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L489] int retValue_acc ; [L490] int tmp ; [L494] FCALL select_helpers() [L495] FCALL select_features() [L496] CALL, EXPR valid_product() [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] RET return (retValue_acc); [L496] EXPR valid_product() [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) [L500] FCALL setup() [L501] CALL runTest() [L479] CALL __utac_acc__Specification2_spec__1() [L788] RET methAndRunningLastTime = 0 [L479] __utac_acc__Specification2_spec__1() [L480] CALL test() [L708] int splverifierCounter ; [L709] int tmp ; [L710] int tmp___0 ; [L711] int tmp___1 ; [L712] int tmp___2 ; [L715] splverifierCounter = 0 Loop: [L717] COND TRUE 1 [L719] COND TRUE splverifierCounter < 4 [L725] tmp = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp)) [L735] tmp___0 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___0)) [L745] tmp___2 = __VERIFIER_nondet_int() [L747] COND TRUE \read(tmp___2) [L749] CALL startSystem() [L702] RET systemActive = 1 [L749] startSystem() [L762] CALL timeShift() [L528] COND FALSE !(\read(pumpRunning)) [L535] COND TRUE \read(systemActive) [L537] CALL processEnvironment() [L583] int tmp ; [L586] COND FALSE !(\read(pumpRunning)) [L601] CALL processEnvironment__wrappee__lowWaterSensor() [L557] int tmp ; [L560] COND FALSE !(\read(pumpRunning)) [L575] RET, FCALL processEnvironment__wrappee__base() [L601] RET processEnvironment__wrappee__lowWaterSensor() [L537] processEnvironment() [L543] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L862] int retValue_acc ; [L865] retValue_acc = methaneLevelCritical [L866] RET return (retValue_acc); [L798] EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] RET methAndRunningLastTime = 0 [L543] RET __utac_acc__Specification2_spec__2() [L762] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...