./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product29_false-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_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product29_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/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 6a7af561659176054c5750cdb899e68779816fa6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:34:28,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,796 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,799 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,800 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,807 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,811 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,811 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,811 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,812 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,812 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,813 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,813 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,814 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,814 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,815 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,815 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,815 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,816 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,817 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,828 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,829 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,829 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,829 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,830 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,830 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,830 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,830 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,830 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,830 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,831 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,831 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,831 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,831 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,831 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,831 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,832 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,832 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,832 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,832 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,832 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,833 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,833 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,833 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,833 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,834 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,834 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,834 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_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/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 -> 6a7af561659176054c5750cdb899e68779816fa6 [2018-11-18 08:34:28,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,871 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,872 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,872 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product29_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,915 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/data/4b6e49425/4fdef0117f324937a3c38e0c0085b1ed/FLAG01ef4db34 [2018-11-18 08:34:29,256 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,256 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/sv-benchmarks/c/product-lines/minepump_spec3_product29_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,267 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/data/4b6e49425/4fdef0117f324937a3c38e0c0085b1ed/FLAG01ef4db34 [2018-11-18 08:34:29,278 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/data/4b6e49425/4fdef0117f324937a3c38e0c0085b1ed [2018-11-18 08:34:29,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:29,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,285 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,324 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,525 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,534 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,654 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,655 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/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 08:34:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,365 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,366 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,369 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,370 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@719bd9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,371 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@719bd9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,371 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,373 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product29_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,417 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,418 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,418 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:30,418 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:30,418 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,418 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,418 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:30,418 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,418 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:30,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states. [2018-11-18 08:34:30,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 08:34:30,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,464 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,464 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,464 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:30,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states. [2018-11-18 08:34:30,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 08:34:30,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,471 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,471 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,474 INFO L794 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 80];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 117];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 109];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 112];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 110];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 32];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 10];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.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; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 9#L563true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 108#L556true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 44#L571true main_#t~ret49 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 33#L670true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 156#L646true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 147#L891-3true [2018-11-18 08:34:30,475 INFO L796 eck$LassoCheckResult]: Loop: 147#L891-3true assume true; 159#L891-1true assume !false; 99#L892true assume test_~splverifierCounter~0 < 4; 36#L893true test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; 75#L901true assume !(0 != test_~tmp~9); 54#L901-2true test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; 121#L911true assume !(0 != test_~tmp___0~2); 105#L911-2true test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 4#L921true assume 0 != test_~tmp___2~0; 137#L927-2true assume { :begin_inline_timeShift } true; 151#L693true assume !(0 != ~pumpRunning~0); 136#L693-2true assume !(0 != ~systemActive~0); 73#L700-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 130#L126-1true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 87#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 14#L59-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 117#L710true assume { :end_inline_timeShift } true; 147#L891-3true [2018-11-18 08:34:30,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:30,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,638 INFO L82 PathProgramCache]: Analyzing trace with hash -952979963, now seen corresponding path program 1 times [2018-11-18 08:34:30,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1884661567, now seen corresponding path program 1 times [2018-11-18 08:34:30,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,805 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 08:34:30,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:30,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:30,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:30,880 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 6 states. [2018-11-18 08:34:31,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,001 INFO L93 Difference]: Finished difference Result 155 states and 198 transitions. [2018-11-18 08:34:31,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 198 transitions. [2018-11-18 08:34:31,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 08:34:31,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 145 states and 188 transitions. [2018-11-18 08:34:31,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2018-11-18 08:34:31,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2018-11-18 08:34:31,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 188 transitions. [2018-11-18 08:34:31,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,015 INFO L705 BuchiCegarLoop]: Abstraction has 145 states and 188 transitions. [2018-11-18 08:34:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 188 transitions. [2018-11-18 08:34:31,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 08:34:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 08:34:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2018-11-18 08:34:31,041 INFO L728 BuchiCegarLoop]: Abstraction has 145 states and 188 transitions. [2018-11-18 08:34:31,041 INFO L608 BuchiCegarLoop]: Abstraction has 145 states and 188 transitions. [2018-11-18 08:34:31,041 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:31,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 188 transitions. [2018-11-18 08:34:31,043 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 08:34:31,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,044 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,044 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] [2018-11-18 08:34:31,044 INFO L794 eck$LassoCheckResult]: Stem: 465#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 80];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 117];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 109];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 112];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 110];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 32];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 10];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.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; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 340#L563 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 343#L556 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 393#L571 main_#t~ret49 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 378#L670 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 379#L646 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 466#L891-3 [2018-11-18 08:34:31,044 INFO L796 eck$LassoCheckResult]: Loop: 466#L891-3 assume true; 475#L891-1 assume !false; 458#L892 assume test_~splverifierCounter~0 < 4; 385#L893 test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; 386#L901 assume !(0 != test_~tmp~9); 404#L901-2 test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; 405#L911 assume !(0 != test_~tmp___0~2); 453#L911-2 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 333#L921 assume 0 != test_~tmp___2~0; 334#L927-2 assume { :begin_inline_timeShift } true; 473#L693 assume !(0 != ~pumpRunning~0); 429#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 472#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 381#L725-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 372#L717-3 assume { :end_inline_processEnvironment__wrappee__base } true; 367#L725-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 375#L751-1 assume { :end_inline_processEnvironment } true; 430#L700-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 431#L126-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 446#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 349#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 350#L710 assume { :end_inline_timeShift } true; 466#L891-3 [2018-11-18 08:34:31,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:31,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,090 INFO L82 PathProgramCache]: Analyzing trace with hash -371521278, now seen corresponding path program 1 times [2018-11-18 08:34:31,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,091 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash 745321414, now seen corresponding path program 1 times [2018-11-18 08:34:31,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,179 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 08:34:31,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:31,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:31,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,223 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 08:34:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,361 INFO L93 Difference]: Finished difference Result 528 states and 689 transitions. [2018-11-18 08:34:31,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:34:31,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 528 states and 689 transitions. [2018-11-18 08:34:31,367 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 363 [2018-11-18 08:34:31,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 528 states to 528 states and 689 transitions. [2018-11-18 08:34:31,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 528 [2018-11-18 08:34:31,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 528 [2018-11-18 08:34:31,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 689 transitions. [2018-11-18 08:34:31,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,376 INFO L705 BuchiCegarLoop]: Abstraction has 528 states and 689 transitions. [2018-11-18 08:34:31,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 689 transitions. [2018-11-18 08:34:31,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 283. [2018-11-18 08:34:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-18 08:34:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 365 transitions. [2018-11-18 08:34:31,393 INFO L728 BuchiCegarLoop]: Abstraction has 283 states and 365 transitions. [2018-11-18 08:34:31,393 INFO L608 BuchiCegarLoop]: Abstraction has 283 states and 365 transitions. [2018-11-18 08:34:31,393 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:31,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 365 transitions. [2018-11-18 08:34:31,395 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 196 [2018-11-18 08:34:31,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,397 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,397 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, 1] [2018-11-18 08:34:31,397 INFO L794 eck$LassoCheckResult]: Stem: 1177#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 80];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 117];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 109];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 112];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 110];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 32];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 10];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.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; 1030#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1031#L563 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1034#L556 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 1089#L571 main_#t~ret49 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 1072#L670 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1073#L646 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1180#L891-3 [2018-11-18 08:34:31,398 INFO L796 eck$LassoCheckResult]: Loop: 1180#L891-3 assume true; 1200#L891-1 assume !false; 1164#L892 assume test_~splverifierCounter~0 < 4; 1077#L893 test_~tmp~9 := test_#t~nondet71;havoc test_#t~nondet71; 1078#L901 assume !(0 != test_~tmp~9); 1103#L901-2 test_~tmp___0~2 := test_#t~nondet72;havoc test_#t~nondet72; 1104#L911 assume !(0 != test_~tmp___0~2); 1156#L911-2 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 1024#L921 assume 0 != test_~tmp___2~0; 1025#L927-2 assume { :begin_inline_timeShift } true; 1193#L693 assume !(0 != ~pumpRunning~0); 1131#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1196#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 1197#L725-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1285#L717-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1082#L725-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1069#L751-1 assume { :end_inline_processEnvironment } true; 1132#L700-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1133#L126-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 1150#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1151#L158 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 1043#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1040#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1041#L710 assume { :end_inline_timeShift } true; 1180#L891-3 [2018-11-18 08:34:31,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:34:31,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,429 INFO L82 PathProgramCache]: Analyzing trace with hash -548409611, now seen corresponding path program 1 times [2018-11-18 08:34:31,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,431 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1004406599, now seen corresponding path program 1 times [2018-11-18 08:34:31,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:57,408 WARN L180 SmtUtils]: Spent 1.43 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:36:42,172 WARN L180 SmtUtils]: Spent 44.76 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:36:42,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:36:42 BoogieIcfgContainer [2018-11-18 08:36:42,242 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:36:42,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:36:42,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:36:42,243 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:36:42,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:36:42,247 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:36:42,292 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50bb5b58-6842-4bf7-bd3d-60c59bd42f1b/bin-2019/uautomizer/witness.graphml [2018-11-18 08:36:42,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:36:42,293 INFO L168 Benchmark]: Toolchain (without parser) took 133011.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 956.6 MB in the beginning and 906.5 MB in the end (delta: 50.1 MB). Peak memory consumption was 158.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:42,293 INFO L168 Benchmark]: CDTParser took 0.17 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 08:36:42,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:42,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.43 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 08:36:42,294 INFO L168 Benchmark]: Boogie Preprocessor took 31.81 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 08:36:42,295 INFO L168 Benchmark]: RCFGBuilder took 629.63 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:42,295 INFO L168 Benchmark]: BuchiAutomizer took 131876.25 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -27.3 MB). Free memory was 1.0 GB in the beginning and 911.9 MB in the end (delta: 135.0 MB). Peak memory consumption was 187.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:42,295 INFO L168 Benchmark]: Witness Printer took 49.49 ms. Allocated memory is still 1.1 GB. Free memory was 911.9 MB in the beginning and 906.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:42,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 372.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.43 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. * Boogie Preprocessor took 31.81 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 629.63 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 131876.25 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -27.3 MB). Free memory was 1.0 GB in the beginning and 911.9 MB in the end (delta: 135.0 MB). Peak memory consumption was 187.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.49 ms. Allocated memory is still 1.1 GB. Free memory was 911.9 MB in the beginning and 906.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 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 6 locations. The remainder module has 283 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 131.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 131.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 245 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 283 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 469 SDtfs, 1275 SDslu, 863 SDs, 0 SdLazy, 91 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 891]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61047148=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b5ffbe7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eed853=0, retValue_acc=0, "OK"=22, "Pump(System:"=36, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b49e0fd=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, ",Pump:"=0, "On"=18, retValue_acc=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, methaneLevelCritical=0, "CRIT"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525720f=0, "Off"=0, "\n"=0, "libacc.c"=31, "__utac__get_this_arg"=27, ") "=0, tmp___1=0, tmp=0, "Env(Water:%i"=0, "CRIT"=0, ",Meth:"=0, tmp___0=1, "__utac__get_this_arg"=29, tmp=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=28, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_argtype"=33, "__utac__get_this_argtype"=11, NULL=0, systemActive=1, waterLevel=1, "\n"=39, \result=1, "libacc.c"=0, ")"=0, ")"=23, "OK"=0, "libacc.c"=35, "Pump(System:"=0, "On"=0, "Env(Water:%i"=15, \result=1, retValue_acc=1, head=0, pumpRunning=0, "On"=14, \result=0, tmp=1, "__utac__get_this_arg"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bdd8a85=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b597146=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c3f0cf6=0, ") "=38, ",Pump:"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d01ce0=0, retValue_acc=1, tmp___2=157, tmp___0=0, splverifierCounter=0, "Off"=0, \result=0, ",Meth:"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@452eeb9c=0, "Off"=37, tmp___1=0, head=0, tmp=0, "libacc.c"=26, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=34, "i > 0 && i <= this->argsCount"=12, "Off"=17, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 891]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L135] FCALL "Env(Water:%i" [L136] FCALL ",Meth:" [L140] FCALL "CRIT" [L144] FCALL "OK" [L148] FCALL ")" [L469] FCALL "i > 0 && i <= this->argsCount" [L469] FCALL "libacc.c" [L470] FCALL "__utac__get_this_arg" [L476] FCALL "i > 0 && i <= this->argsCount" [L476] FCALL "libacc.c" [L477] FCALL "__utac__get_this_arg" [L515] FCALL "i > 0 && i <= this->argsCount" [L515] FCALL "libacc.c" [L516] FCALL "__utac__get_this_argtype" [L522] FCALL "i > 0 && i <= this->argsCount" [L522] FCALL "libacc.c" [L523] FCALL "__utac__get_this_argtype" [L830] FCALL "Pump(System:" [L834] FCALL "On" [L838] FCALL "Off" [L842] FCALL ",Pump:" [L846] FCALL "On" [L850] FCALL "Off" [L854] FCALL ") " [L856] FCALL "\n" [L83] int waterLevel = 1; [L84] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L341] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L661] int retValue_acc ; [L662] int tmp ; [L666] FCALL select_helpers() [L667] FCALL select_features() [L668] CALL, EXPR valid_product() [L567] int retValue_acc ; [L570] retValue_acc = 1 [L571] RET return (retValue_acc); [L668] EXPR valid_product() [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L672] FCALL setup() [L673] CALL runTest() [L655] CALL test() [L882] int splverifierCounter ; [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L886] int tmp___2 ; [L889] splverifierCounter = 0 Loop: [L891] COND TRUE 1 [L893] COND TRUE splverifierCounter < 4 [L899] tmp = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp)) [L909] tmp___0 = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp___0)) [L919] tmp___2 = __VERIFIER_nondet_int() [L921] COND TRUE \read(tmp___2) [L934] CALL timeShift() [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L702] CALL processEnvironment() [L748] int tmp ; [L751] COND FALSE !(\read(pumpRunning)) [L766] CALL processEnvironment__wrappee__methaneQuery() [L722] int tmp ; [L725] COND FALSE !(\read(pumpRunning)) [L740] RET, FCALL processEnvironment__wrappee__base() [L766] RET processEnvironment__wrappee__methaneQuery() [L702] processEnvironment() [L708] CALL __utac_acc__Specification3_spec__1() [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L51] CALL, EXPR isMethaneLevelCritical() [L122] int retValue_acc ; [L125] retValue_acc = methaneLevelCritical [L126] RET return (retValue_acc); [L51] EXPR isMethaneLevelCritical() [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L57] CALL, EXPR getWaterLevel() [L154] int retValue_acc ; [L157] retValue_acc = waterLevel [L158] RET return (retValue_acc); [L57] EXPR getWaterLevel() [L57] tmp___0 = getWaterLevel() [L59] COND FALSE, RET !(tmp___0 == 2) [L708] RET __utac_acc__Specification3_spec__1() [L934] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...