./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_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_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:46:29,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:46:29,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:46:29,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:46:29,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:46:29,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:46:29,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:46:29,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:46:29,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:46:29,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:46:29,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:46:29,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:46:29,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:46:29,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:46:29,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:46:29,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:46:29,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:46:29,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:46:29,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:46:29,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:46:29,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:46:29,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:46:29,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:46:29,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:46:29,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:46:29,690 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:46:29,691 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:46:29,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:46:29,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:46:29,693 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:46:29,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:46:29,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:46:29,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:46:29,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:46:29,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:46:29,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:46:29,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:46:29,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:46:29,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:46:29,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:46:29,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:46:29,709 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:46:29,709 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:46:29,709 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:46:29,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:46:29,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:46:29,711 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:46:29,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:46:29,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:46:29,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:46:29,712 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:46:29,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:46:29,712 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:46:29,712 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:46:29,713 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:46:29,713 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_43981331-ed99-4f12-aa4b-fd9612d52eb0/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2018-11-18 11:46:29,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:46:29,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:46:29,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:46:29,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:46:29,749 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:46:29,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-18 11:46:29,791 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/data/129ab5a3a/24e6d87925f84d369ff65c249787af59/FLAG06e66cb47 [2018-11-18 11:46:30,174 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:46:30,174 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-18 11:46:30,184 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/data/129ab5a3a/24e6d87925f84d369ff65c249787af59/FLAG06e66cb47 [2018-11-18 11:46:30,554 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/data/129ab5a3a/24e6d87925f84d369ff65c249787af59 [2018-11-18 11:46:30,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:46:30,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:46:30,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:46:30,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:46:30,562 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:46:30,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:30,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aef1421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30, skipping insertion in model container [2018-11-18 11:46:30,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:30,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:46:30,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:46:30,830 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:46:30,840 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:46:30,946 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:46:30,964 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:46:30,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30 WrapperNode [2018-11-18 11:46:30,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:46:30,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:46:30,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:46:30,966 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:46:30,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:30,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:46:31,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:46:31,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:46:31,016 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:46:31,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... [2018-11-18 11:46:31,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:46:31,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:46:31,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:46:31,043 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:46:31,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/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 11:46:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:46:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:46:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:46:31,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:46:31,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:31 BoogieIcfgContainer [2018-11-18 11:46:31,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:46:31,615 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:46:31,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:46:31,618 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:46:31,619 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:46:31,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:46:30" (1/3) ... [2018-11-18 11:46:31,619 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e996bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:46:31, skipping insertion in model container [2018-11-18 11:46:31,620 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:46:31,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:30" (2/3) ... [2018-11-18 11:46:31,620 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e996bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:46:31, skipping insertion in model container [2018-11-18 11:46:31,620 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:46:31,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:31" (3/3) ... [2018-11-18 11:46:31,622 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-18 11:46:31,658 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:46:31,658 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:46:31,658 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:46:31,659 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:46:31,659 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:46:31,659 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:46:31,659 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:46:31,659 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:46:31,659 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:46:31,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 11:46:31,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 11:46:31,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:46:31,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:46:31,702 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:46:31,702 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 11:46:31,702 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:46:31,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2018-11-18 11:46:31,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 11:46:31,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:46:31,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:46:31,707 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:46:31,707 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 11:46:31,711 INFO L794 eck$LassoCheckResult]: Stem: 120#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~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];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 := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 34#L937true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 128#L930true 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; 56#L945true main_#t~ret51 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret51;havoc main_#t~ret51; 24#L698true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 85#L672true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 123#L553-3true [2018-11-18 11:46:31,711 INFO L796 eck$LassoCheckResult]: Loop: 123#L553-3true assume true; 121#L553-1true assume !false; 68#L554true assume test_~splverifierCounter~0 < 4; 11#L555true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 17#L563true assume !(0 != test_~tmp~4); 19#L563-2true test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 73#L573true assume !(0 != test_~tmp___0~1); 77#L573-2true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 134#L583true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 125#L911true assume { :end_inline_startSystem } true; 139#L591-2true assume { :begin_inline_timeShift } true; 122#L721true assume !(0 != ~pumpRunning~0); 126#L721-2true assume !(0 != ~systemActive~0); 30#L728-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 150#L456-1true __utac_acc__Specification1_spec__1_#t~ret45 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret45;havoc __utac_acc__Specification1_spec__1_#t~ret45; 114#L512true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 119#L512-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 80#L738true assume { :end_inline_timeShift } true; 123#L553-3true [2018-11-18 11:46:31,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:31,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:46:31,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:46:31,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:46:31,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:31,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:46:31,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:31,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1523214541, now seen corresponding path program 1 times [2018-11-18 11:46:31,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:46:31,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:46:31,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:31,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:46:31,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:31,930 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 11:46:31,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:46:31,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:46:31,936 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:46:31,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:46:31,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:46:31,951 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2018-11-18 11:46:32,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:46:32,019 INFO L93 Difference]: Finished difference Result 299 states and 385 transitions. [2018-11-18 11:46:32,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:46:32,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 299 states and 385 transitions. [2018-11-18 11:46:32,027 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 196 [2018-11-18 11:46:32,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 299 states to 279 states and 364 transitions. [2018-11-18 11:46:32,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 279 [2018-11-18 11:46:32,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 279 [2018-11-18 11:46:32,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 279 states and 364 transitions. [2018-11-18 11:46:32,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:46:32,037 INFO L705 BuchiCegarLoop]: Abstraction has 279 states and 364 transitions. [2018-11-18 11:46:32,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states and 364 transitions. [2018-11-18 11:46:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2018-11-18 11:46:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-11-18 11:46:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 360 transitions. [2018-11-18 11:46:32,071 INFO L728 BuchiCegarLoop]: Abstraction has 276 states and 360 transitions. [2018-11-18 11:46:32,071 INFO L608 BuchiCegarLoop]: Abstraction has 276 states and 360 transitions. [2018-11-18 11:46:32,071 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:46:32,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 276 states and 360 transitions. [2018-11-18 11:46:32,072 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193 [2018-11-18 11:46:32,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:46:32,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:46:32,073 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:46:32,073 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 11:46:32,074 INFO L794 eck$LassoCheckResult]: Stem: 627#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~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];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 := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 485#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 486#L937 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 521#L930 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; 549#L945 main_#t~ret51 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret51;havoc main_#t~ret51; 503#L698 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 504#L672 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 588#L553-3 [2018-11-18 11:46:32,074 INFO L796 eck$LassoCheckResult]: Loop: 588#L553-3 assume true; 632#L553-1 assume !false; 567#L554 assume test_~splverifierCounter~0 < 4; 480#L555 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 481#L563 assume !(0 != test_~tmp~4); 470#L563-2 test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 495#L573 assume !(0 != test_~tmp___0~1); 578#L573-2 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 579#L583 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 635#L911 assume { :end_inline_startSystem } true; 636#L591-2 assume { :begin_inline_timeShift } true; 645#L721 assume !(0 != ~pumpRunning~0); 637#L721-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 615#L779 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret52, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 506#L753-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 507#L745-3 assume { :end_inline_processEnvironment__wrappee__base } true; 664#L753-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 623#L779-1 assume { :end_inline_processEnvironment } true; 624#L728-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 649#L456-1 __utac_acc__Specification1_spec__1_#t~ret45 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret45;havoc __utac_acc__Specification1_spec__1_#t~ret45; 650#L512 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 625#L512-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 626#L738 assume { :end_inline_timeShift } true; 588#L553-3 [2018-11-18 11:46:32,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:32,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:46:32,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:46:32,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:46:32,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:32,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:46:32,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:32,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:32,127 INFO L82 PathProgramCache]: Analyzing trace with hash 896222205, now seen corresponding path program 1 times [2018-11-18 11:46:32,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:46:32,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:46:32,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:32,128 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:46:32,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:32,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:32,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1158607289, now seen corresponding path program 1 times [2018-11-18 11:46:32,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:46:32,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:46:32,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:32,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:46:32,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:46:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:46:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:59,500 WARN L180 SmtUtils]: Spent 1.45 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:48:38,831 WARN L180 SmtUtils]: Spent 39.33 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:48:38,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:48:38 BoogieIcfgContainer [2018-11-18 11:48:38,909 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:48:38,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:48:38,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:48:38,909 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:48:38,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:31" (3/4) ... [2018-11-18 11:48:38,912 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:48:38,953 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43981331-ed99-4f12-aa4b-fd9612d52eb0/bin-2019/uautomizer/witness.graphml [2018-11-18 11:48:38,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:48:38,954 INFO L168 Benchmark]: Toolchain (without parser) took 128397.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.6 MB in the beginning and 957.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,954 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:48:38,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.19 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,955 INFO L168 Benchmark]: Boogie Preprocessor took 26.84 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,956 INFO L168 Benchmark]: RCFGBuilder took 572.01 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,956 INFO L168 Benchmark]: BuchiAutomizer took 127293.43 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 192.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,956 INFO L168 Benchmark]: Witness Printer took 44.38 ms. Allocated memory is still 1.1 GB. Free memory was 961.9 MB in the beginning and 957.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:38,958 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.19 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.84 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 572.01 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 127293.43 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 192.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.38 ms. Allocated memory is still 1.1 GB. Free memory was 961.9 MB in the beginning and 957.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 276 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 127.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 127.0s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 276 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 205 SDtfs, 189 SDslu, 182 SDs, 0 SdLazy, 10 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: 553]: 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, "On"=0, ",Pump:"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9d508ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b20c86=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32a8b808=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38f77a3f=0, ")"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74f3fb14=0, "Off"=0, ",Meth:"=8, "OK"=0, "On"=36, "Pump(System:"=33, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56d5e4da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50c9b159=0, retValue_acc=1, tmp=0, ") "=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f4c467=0, ") "=28, tmp=0, tmp___1=0, "__utac__get_this_argtype"=17, "__utac__get_this_arg"=20, "__utac__get_this_arg"=24, tmp___0=0, "libacc.c"=18, "Env(Water:%i"=12, cleanupTimeShifts=4, "libacc.c"=15, "OK"=35, "__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, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=0, "On"=29, retValue_acc=0, ")"=34, "Off"=31, "On"=0, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=27, head=0, pumpRunning=0, \result=0, "i > 0 && i <= this->argsCount"=23, "libacc.c"=0, "Env(Water:%i"=0, "Off"=37, "\n"=0, tmp=0, tmp=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=22, tmp___2=42, "i > 0 && i <= this->argsCount"=16, tmp___0=0, splverifierCounter=0, \result=0, "\n"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d024d65=0, head=0, "libacc.c"=0, "libacc.c"=26, "i > 0 && i <= this->argsCount"=19, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, tmp=0, "libacc.c"=0, "libacc.c"=0, "CRIT"=11, ",Pump:"=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 553]: 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" [L465] FCALL "Env(Water:%i" [L466] FCALL ",Meth:" [L470] FCALL "CRIT" [L474] FCALL "OK" [L478] FCALL ")" [L841] FCALL "Pump(System:" [L845] FCALL "On" [L849] FCALL "Off" [L853] FCALL ",Pump:" [L857] FCALL "On" [L861] FCALL "Off" [L865] FCALL ") " [L867] FCALL "\n" [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L612] int cleanupTimeShifts = 4; [L714] int pumpRunning = 0; [L715] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L689] int retValue_acc ; [L690] int tmp ; [L694] FCALL select_helpers() [L695] FCALL select_features() [L696] CALL, EXPR valid_product() [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] RET return (retValue_acc); [L696] EXPR valid_product() [L696] tmp = valid_product() [L698] COND TRUE \read(tmp) [L700] FCALL setup() [L701] CALL runTest() [L680] CALL test() [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 Loop: [L553] COND TRUE 1 [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND TRUE \read(tmp___2) [L585] CALL startSystem() [L910] RET systemActive = 1 [L585] startSystem() [L600] CALL timeShift() [L721] COND FALSE !(\read(pumpRunning)) [L728] COND TRUE \read(systemActive) [L730] CALL processEnvironment() [L776] int tmp ; [L779] COND FALSE !(\read(pumpRunning)) [L794] CALL processEnvironment__wrappee__lowWaterSensor() [L750] int tmp ; [L753] COND FALSE !(\read(pumpRunning)) [L768] RET, FCALL processEnvironment__wrappee__base() [L794] RET processEnvironment__wrappee__lowWaterSensor() [L730] processEnvironment() [L736] CALL __utac_acc__Specification1_spec__1() [L505] int tmp ; [L506] int tmp___0 ; [L510] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] RET return (retValue_acc); [L510] EXPR isMethaneLevelCritical() [L510] tmp = isMethaneLevelCritical() [L512] COND FALSE, RET !(\read(tmp)) [L736] RET __utac_acc__Specification1_spec__1() [L600] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...