./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_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_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/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 ce17648ffa5822f201dca35a60378555aafbd885 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:27:12,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:27:12,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:27:12,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:27:12,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:27:12,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:27:12,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:27:12,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:27:12,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:27:12,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:27:12,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:27:12,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:27:12,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:27:12,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:27:12,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:27:12,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:27:12,675 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:27:12,676 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:27:12,678 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:27:12,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:27:12,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:27:12,681 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:27:12,683 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:27:12,683 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:27:12,683 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:27:12,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:27:12,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:27:12,685 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:27:12,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:27:12,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:27:12,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:27:12,687 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:27:12,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:27:12,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:27:12,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:27:12,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:27:12,689 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:27:12,702 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:27:12,702 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:27:12,703 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:27:12,704 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:27:12,704 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:27:12,704 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:27:12,704 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:27:12,704 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:27:12,705 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:27:12,705 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:27:12,705 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:27:12,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:27:12,705 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:27:12,705 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:27:12,706 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:27:12,706 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:27:12,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:27:12,706 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:27:12,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:27:12,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:27:12,707 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:27:12,707 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:27:12,707 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:27:12,707 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:27:12,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:27:12,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:27:12,708 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:27:12,708 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:27:12,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:27:12,708 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:27:12,708 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:27:12,709 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:27:12,709 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_f83a8111-9eb1-4fb3-8872-c8080925c294/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-28 12:27:12,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:27:12,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:27:12,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:27:12,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:27:12,747 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:27:12,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 12:27:12,790 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/data/d1a7ff381/32943552136046dc8ea7aee9a256a12b/FLAG266cd0cef [2018-11-28 12:27:13,171 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:27:13,171 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 12:27:13,180 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/data/d1a7ff381/32943552136046dc8ea7aee9a256a12b/FLAG266cd0cef [2018-11-28 12:27:13,555 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/data/d1a7ff381/32943552136046dc8ea7aee9a256a12b [2018-11-28 12:27:13,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:27:13,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:27:13,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:27:13,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:27:13,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:27:13,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:13,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13, skipping insertion in model container [2018-11-28 12:27:13,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:13,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:27:13,608 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:27:13,818 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:27:13,831 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:27:13,955 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:27:13,977 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:27:13,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13 WrapperNode [2018-11-28 12:27:13,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:27:13,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:27:13,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:27:13,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:27:13,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:13,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:27:14,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:27:14,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:27:14,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:27:14,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... [2018-11-28 12:27:14,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:27:14,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:27:14,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:27:14,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:27:14,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/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 12:27:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:27:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:27:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:27:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:27:15,011 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:27:15,011 INFO L280 CfgBuilder]: Removed 350 assue(true) statements. [2018-11-28 12:27:15,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:27:15 BoogieIcfgContainer [2018-11-28 12:27:15,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:27:15,012 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:27:15,012 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:27:15,018 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:27:15,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:27:15,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:27:13" (1/3) ... [2018-11-28 12:27:15,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52fdc572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:27:15, skipping insertion in model container [2018-11-28 12:27:15,021 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:27:15,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:27:13" (2/3) ... [2018-11-28 12:27:15,022 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52fdc572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:27:15, skipping insertion in model container [2018-11-28 12:27:15,022 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:27:15,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:27:15" (3/3) ... [2018-11-28 12:27:15,024 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 12:27:15,069 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:27:15,070 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:27:15,070 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:27:15,070 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:27:15,074 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:27:15,074 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:27:15,074 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:27:15,074 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:27:15,075 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:27:15,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2018-11-28 12:27:15,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 12:27:15,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:27:15,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:27:15,133 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,133 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,133 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:27:15,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2018-11-28 12:27:15,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 12:27:15,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:27:15,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:27:15,142 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,142 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,146 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1); 3#L-1true havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 111#L431true 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; 5#L439true main_#t~ret30 := valid_product_#res;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 137#L526true assume 0 != main_~tmp~8; 211#L503true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 152#L388-1true [2018-11-28 12:27:15,146 INFO L796 eck$LassoCheckResult]: Loop: 152#L388-1true assume !false; 4#L65true assume test_~splverifierCounter~0 < 4; 83#L66true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 188#L74true assume !(0 != test_~tmp~0); 164#L74-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 110#L84true assume !(0 != test_~tmp___0~0); 109#L84-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 125#L94true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 147#L102-2true assume !(0 != ~pumpRunning~0); 57#L138true assume !(0 != ~systemActive~0); 210#L145true havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 118#L981true __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 148#L388true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 152#L388-1true [2018-11-28 12:27:15,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:27:15,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:27:15,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1674172477, now seen corresponding path program 1 times [2018-11-28 12:27:15,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:27:15,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:27:15,373 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 12:27:15,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:27:15,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:27:15,377 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:27:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:27:15,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:27:15,390 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 3 states. [2018-11-28 12:27:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:27:15,440 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2018-11-28 12:27:15,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:27:15,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 323 transitions. [2018-11-28 12:27:15,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2018-11-28 12:27:15,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2018-11-28 12:27:15,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2018-11-28 12:27:15,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2018-11-28 12:27:15,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2018-11-28 12:27:15,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:27:15,458 INFO L705 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 12:27:15,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2018-11-28 12:27:15,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-11-28 12:27:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-28 12:27:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2018-11-28 12:27:15,492 INFO L728 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 12:27:15,492 INFO L608 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 12:27:15,492 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:27:15,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2018-11-28 12:27:15,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2018-11-28 12:27:15,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:27:15,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:27:15,496 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,498 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,498 INFO L794 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1); 453#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 454#L431 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; 458#L439 main_#t~ret30 := valid_product_#res;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 459#L526 assume 0 != main_~tmp~8; 624#L503 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 606#L388-1 [2018-11-28 12:27:15,498 INFO L796 eck$LassoCheckResult]: Loop: 606#L388-1 assume !false; 455#L65 assume test_~splverifierCounter~0 < 4; 456#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 579#L74 assume !(0 != test_~tmp~0); 597#L74-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 600#L84 assume !(0 != test_~tmp___0~0); 557#L84-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 599#L94 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 617#L102-2 assume !(0 != ~pumpRunning~0); 499#L138 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 553#L222 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 536#L196-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 537#L170-3 assume !(0 == ~pumpRunning~0); 521#L145 havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 608#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 609#L388 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 606#L388-1 [2018-11-28 12:27:15,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,499 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:27:15,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:27:15,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1243674303, now seen corresponding path program 1 times [2018-11-28 12:27:15,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,562 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:27:15,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:27:15,575 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 12:27:15,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:27:15,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:27:15,576 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:27:15,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:27:15,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:27:15,576 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 Second operand 3 states. [2018-11-28 12:27:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:27:15,784 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2018-11-28 12:27:15,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:27:15,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2018-11-28 12:27:15,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2018-11-28 12:27:15,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2018-11-28 12:27:15,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-11-28 12:27:15,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-11-28 12:27:15,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2018-11-28 12:27:15,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:27:15,793 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 12:27:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2018-11-28 12:27:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-28 12:27:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-28 12:27:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2018-11-28 12:27:15,804 INFO L728 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 12:27:15,804 INFO L608 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 12:27:15,804 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:27:15,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2018-11-28 12:27:15,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2018-11-28 12:27:15,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:27:15,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:27:15,809 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:27:15,809 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] [2018-11-28 12:27:15,809 INFO L794 eck$LassoCheckResult]: Stem: 1030#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1); 889#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 890#L431 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; 894#L439 main_#t~ret30 := valid_product_#res;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 897#L526 assume 0 != main_~tmp~8; 994#L503 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 905#L388-1 [2018-11-28 12:27:15,814 INFO L796 eck$LassoCheckResult]: Loop: 905#L388-1 assume !false; 891#L65 assume test_~splverifierCounter~0 < 4; 892#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1095#L74 assume !(0 != test_~tmp~0); 1093#L74-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1092#L84 assume !(0 != test_~tmp___0~0); 1090#L84-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 956#L94 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 957#L102-2 assume !(0 != ~pumpRunning~0); 1000#L138 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1001#L222 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 985#L196-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 986#L170-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 947#L989-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 948#L994-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 999#L341-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 1019#L341-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 995#L347-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 971#L174-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 972#L145 havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 926#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 927#L388 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 905#L388-1 [2018-11-28 12:27:15,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,814 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 12:27:15,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:27:15,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1113090803, now seen corresponding path program 1 times [2018-11-28 12:27:15,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,864 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:27:15,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:27:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash 140214323, now seen corresponding path program 1 times [2018-11-28 12:27:15,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:27:15,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:27:15,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:27:15,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:27:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:27:16,070 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-28 12:27:22,267 WARN L180 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:27:25,121 WARN L180 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:27:25,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:27:25 BoogieIcfgContainer [2018-11-28 12:27:25,176 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:27:25,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:27:25,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:27:25,177 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:27:25,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:27:15" (3/4) ... [2018-11-28 12:27:25,181 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:27:25,231 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f83a8111-9eb1-4fb3-8872-c8080925c294/bin-2019/uautomizer/witness.graphml [2018-11-28 12:27:25,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:27:25,232 INFO L168 Benchmark]: Toolchain (without parser) took 11674.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -57.5 MB). Peak memory consumption was 273.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:27:25,233 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:27:25,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:27:25,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.42 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:27:25,235 INFO L168 Benchmark]: Boogie Preprocessor took 49.34 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. [2018-11-28 12:27:25,235 INFO L168 Benchmark]: RCFGBuilder took 920.57 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: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:27:25,235 INFO L168 Benchmark]: BuchiAutomizer took 10164.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 323.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:27:25,236 INFO L168 Benchmark]: Witness Printer took 54.52 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:27:25,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.42 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.34 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 920.57 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: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10164.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 323.6 MB. Max. memory is 11.5 GB. * Witness Printer took 54.52 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 215 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 542 SDtfs, 489 SDslu, 75 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 64]: 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 {retValue_acc=1, NULL=0, NULL=0, NULL=22, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61b8d220=0, NULL=39, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0fe53b=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c28df26=56, NULL=0, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21ac4ee3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6afe9429=0, methaneLevelCritical=0, tmp___0=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75b1c153=0, tmp___1=0, NULL=16, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=8, NULL=19, NULL=27, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, NULL=26, \result=1, NULL=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47689286=0, NULL=0, NULL=0, NULL=20, \result=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=29, NULL=0, NULL=0, \result=1, NULL=17, head=0, pumpRunning=0, NULL=12, \result=0, NULL=35, NULL=0, tmp=1, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=42, NULL=38, NULL=15, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39ea=0, NULL=33, NULL=0, tmp=1, retValue_acc=1, tmp___2=56, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a9af007=0, splverifierCounter=0, NULL=0, NULL=31, NULL=36, tmp=0, head=0, NULL=14, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dc93d3=0, NULL=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@697f068b=0, NULL=0, NULL=37, NULL=28, NULL=11, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L444] int cleanupTimeShifts = 4; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int waterLevel = 1; [L907] int methaneLevelCritical = 0; [L517] int retValue_acc ; [L518] int tmp ; [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] return (retValue_acc); [L524] tmp = valid_product() [L526] COND TRUE \read(tmp) [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L374] systemActive = 1 [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L219] int tmp ; [L222] COND FALSE !(\read(pumpRunning)) [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L333] int retValue_acc ; [L334] int tmp ; [L335] int tmp___0 ; [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] return (retValue_acc); [L339] tmp = isHighWaterSensorDry() [L341] COND TRUE \read(tmp) [L342] tmp___0 = 0 [L346] retValue_acc = tmp___0 [L347] return (retValue_acc); [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L381] int tmp ; [L382] int tmp___0 ; [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] return (retValue_acc); [L386] tmp = getWaterLevel() [L388] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...