./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_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_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/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 b18fc9f0044b48e81511337a91deb94a0dfeec26 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:52:00,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:52:00,126 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:52:00,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:52:00,132 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:52:00,133 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:52:00,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:52:00,135 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:52:00,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:52:00,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:52:00,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:52:00,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:52:00,138 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:52:00,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:52:00,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:52:00,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:52:00,140 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:52:00,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:52:00,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:52:00,144 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:52:00,144 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:52:00,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:52:00,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:52:00,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:52:00,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:52:00,148 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:52:00,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:52:00,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:52:00,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:52:00,150 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:52:00,150 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:52:00,151 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:52:00,151 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:52:00,151 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:52:00,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:52:00,152 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:52:00,152 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:52:00,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:52:00,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:52:00,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:52:00,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:52:00,164 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:52:00,164 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:52:00,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:52:00,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:52:00,166 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:52:00,167 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:52:00,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:52:00,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:52:00,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:52:00,167 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:52:00,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:52:00,167 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:52:00,167 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:52:00,168 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:52:00,168 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_234def13-664d-405c-a4c6-4862728fd986/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 -> b18fc9f0044b48e81511337a91deb94a0dfeec26 [2018-11-18 14:52:00,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:52:00,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:52:00,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:52:00,199 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:52:00,200 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:52:00,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-11-18 14:52:00,235 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/data/da544135d/0c1a2f89bb5448cda1f5ea38501c09bc/FLAGc427caa34 [2018-11-18 14:52:00,672 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:52:00,673 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-11-18 14:52:00,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/data/da544135d/0c1a2f89bb5448cda1f5ea38501c09bc/FLAGc427caa34 [2018-11-18 14:52:00,691 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/data/da544135d/0c1a2f89bb5448cda1f5ea38501c09bc [2018-11-18 14:52:00,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:52:00,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:52:00,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:52:00,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:52:00,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:52:00,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:52:00" (1/1) ... [2018-11-18 14:52:00,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:00, skipping insertion in model container [2018-11-18 14:52:00,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:52:00" (1/1) ... [2018-11-18 14:52:00,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:52:00,743 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:52:00,938 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:52:00,946 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:52:01,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:52:01,057 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:52:01,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01 WrapperNode [2018-11-18 14:52:01,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:52:01,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:52:01,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:52:01,058 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:52:01,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:52:01,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:52:01,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:52:01,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:52:01,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... [2018-11-18 14:52:01,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:52:01,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:52:01,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:52:01,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:52:01,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/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 14:52:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:52:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:52:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:52:01,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:52:01,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:52:01 BoogieIcfgContainer [2018-11-18 14:52:01,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:52:01,654 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:52:01,654 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:52:01,657 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:52:01,657 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:52:01,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:52:00" (1/3) ... [2018-11-18 14:52:01,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2182f404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:52:01, skipping insertion in model container [2018-11-18 14:52:01,659 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:52:01,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:01" (2/3) ... [2018-11-18 14:52:01,659 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2182f404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:52:01, skipping insertion in model container [2018-11-18 14:52:01,659 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:52:01,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:52:01" (3/3) ... [2018-11-18 14:52:01,661 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-11-18 14:52:01,700 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:52:01,701 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:52:01,701 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:52:01,701 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:52:01,701 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:52:01,701 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:52:01,701 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:52:01,701 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:52:01,701 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:52:01,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states. [2018-11-18 14:52:01,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2018-11-18 14:52:01,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:52:01,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:52:01,737 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:01,738 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 14:52:01,738 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:52:01,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states. [2018-11-18 14:52:01,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2018-11-18 14:52:01,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:52:01,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:52:01,744 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:01,744 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 14:52:01,747 INFO L794 eck$LassoCheckResult]: Stem: 90#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~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);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 := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#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(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 30#L838true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 116#L831true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 34#L846true main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 105#L933true assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 3#L910true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 9#L431-3true [2018-11-18 14:52:01,748 INFO L796 eck$LassoCheckResult]: Loop: 9#L431-3true assume true; 4#L431-1true assume !false; 103#L432true assume test_~splverifierCounter~0 < 4; 44#L433true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 47#L441true assume !(0 != test_~tmp~3); 51#L441-2true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 108#L451true assume !(0 != test_~tmp___0~0); 113#L451-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 19#L461true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; 38#L469true assume !(0 != test_~tmp___1~0); 26#L469-2true assume { :begin_inline_timeShift } true; 119#L506true assume !(0 != ~pumpRunning~0); 110#L506-2true assume !(0 != ~systemActive~0); 36#L513-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 39#L736-1true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 118#L795true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 120#L795-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 83#L523true assume { :end_inline_timeShift } true; 9#L431-3true [2018-11-18 14:52:01,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:01,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:52:01,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:01,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:01,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:01,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:01,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:01,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:01,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1489548031, now seen corresponding path program 1 times [2018-11-18 14:52:01,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:01,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:01,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:01,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:01,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:01,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:01,926 INFO L82 PathProgramCache]: Analyzing trace with hash -306906683, now seen corresponding path program 1 times [2018-11-18 14:52:01,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:01,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:01,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:01,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:01,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:02,044 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 14:52:02,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:02,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:52:02,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:52:02,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:52:02,124 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 6 states. [2018-11-18 14:52:02,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:02,340 INFO L93 Difference]: Finished difference Result 413 states and 529 transitions. [2018-11-18 14:52:02,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:52:02,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 413 states and 529 transitions. [2018-11-18 14:52:02,350 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 270 [2018-11-18 14:52:02,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 413 states to 373 states and 489 transitions. [2018-11-18 14:52:02,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 373 [2018-11-18 14:52:02,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 373 [2018-11-18 14:52:02,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 373 states and 489 transitions. [2018-11-18 14:52:02,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:52:02,362 INFO L705 BuchiCegarLoop]: Abstraction has 373 states and 489 transitions. [2018-11-18 14:52:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states and 489 transitions. [2018-11-18 14:52:02,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 165. [2018-11-18 14:52:02,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 14:52:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2018-11-18 14:52:02,392 INFO L728 BuchiCegarLoop]: Abstraction has 165 states and 216 transitions. [2018-11-18 14:52:02,393 INFO L608 BuchiCegarLoop]: Abstraction has 165 states and 216 transitions. [2018-11-18 14:52:02,393 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:52:02,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 216 transitions. [2018-11-18 14:52:02,394 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2018-11-18 14:52:02,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:52:02,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:52:02,395 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:02,395 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] [2018-11-18 14:52:02,396 INFO L794 eck$LassoCheckResult]: Stem: 657#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~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);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 := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#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(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 566#L838 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 593#L831 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 599#L846 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 600#L933 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 557#L910 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 558#L431-3 [2018-11-18 14:52:02,396 INFO L796 eck$LassoCheckResult]: Loop: 558#L431-3 assume true; 559#L431-1 assume !false; 560#L432 assume test_~splverifierCounter~0 < 4; 612#L433 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 613#L441 assume !(0 != test_~tmp~3); 614#L441-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 617#L451 assume !(0 != test_~tmp___0~0); 664#L451-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 576#L461 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 577#L688 assume { :end_inline_startSystem } true; 587#L469-2 assume { :begin_inline_timeShift } true; 588#L506 assume !(0 != ~pumpRunning~0); 644#L506-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 595#L538 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 569#L530-1 assume { :end_inline_processEnvironment__wrappee__base } true; 568#L538-1 assume { :end_inline_processEnvironment } true; 573#L513-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 603#L736-1 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 607#L795 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 626#L795-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 650#L523 assume { :end_inline_timeShift } true; 558#L431-3 [2018-11-18 14:52:02,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:02,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:52:02,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:02,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:02,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:02,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:02,440 INFO L82 PathProgramCache]: Analyzing trace with hash 922950946, now seen corresponding path program 1 times [2018-11-18 14:52:02,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:02,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:02,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,442 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:52:02,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:52:02,472 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 14:52:02,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:52:02,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:52:02,473 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:52:02,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:52:02,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:52:02,474 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 14:52:02,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:52:02,572 INFO L93 Difference]: Finished difference Result 218 states and 273 transitions. [2018-11-18 14:52:02,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:52:02,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 273 transitions. [2018-11-18 14:52:02,575 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2018-11-18 14:52:02,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 218 states and 273 transitions. [2018-11-18 14:52:02,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 218 [2018-11-18 14:52:02,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 218 [2018-11-18 14:52:02,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 218 states and 273 transitions. [2018-11-18 14:52:02,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:52:02,581 INFO L705 BuchiCegarLoop]: Abstraction has 218 states and 273 transitions. [2018-11-18 14:52:02,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states and 273 transitions. [2018-11-18 14:52:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-11-18 14:52:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-18 14:52:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 273 transitions. [2018-11-18 14:52:02,590 INFO L728 BuchiCegarLoop]: Abstraction has 218 states and 273 transitions. [2018-11-18 14:52:02,590 INFO L608 BuchiCegarLoop]: Abstraction has 218 states and 273 transitions. [2018-11-18 14:52:02,590 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:52:02,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 273 transitions. [2018-11-18 14:52:02,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2018-11-18 14:52:02,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:52:02,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:52:02,592 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:52:02,592 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, 1, 1, 1] [2018-11-18 14:52:02,593 INFO L794 eck$LassoCheckResult]: Stem: 1057#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~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);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 := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#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(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 956#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 957#L838 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 989#L831 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 995#L846 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 996#L933 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 944#L910 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 945#L431-3 [2018-11-18 14:52:02,593 INFO L796 eck$LassoCheckResult]: Loop: 945#L431-3 assume true; 1154#L431-1 assume !false; 1068#L432 assume test_~splverifierCounter~0 < 4; 1012#L433 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 1013#L441 assume !(0 != test_~tmp~3); 1014#L441-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 1017#L451 assume !(0 != test_~tmp___0~0); 1073#L451-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 969#L461 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 970#L688 assume { :end_inline_startSystem } true; 981#L469-2 assume { :begin_inline_timeShift } true; 982#L506 assume !(0 != ~pumpRunning~0); 1074#L506-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 991#L538 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 992#L776 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1060#L781 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 1038#L658 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 1039#L658-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 1015#L664 processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; 1016#L542 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 958#L530 assume { :end_inline_processEnvironment__wrappee__base } true; 959#L538-1 assume { :end_inline_processEnvironment } true; 966#L513-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1006#L736-1 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 1007#L795 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 1082#L795-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1083#L523 assume { :end_inline_timeShift } true; 945#L431-3 [2018-11-18 14:52:02,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:02,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 14:52:02,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:02,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:02,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:02,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:02,632 INFO L82 PathProgramCache]: Analyzing trace with hash -500601366, now seen corresponding path program 1 times [2018-11-18 14:52:02,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:02,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:02,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,633 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:52:02,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:52:02,642 INFO L82 PathProgramCache]: Analyzing trace with hash -125313626, now seen corresponding path program 1 times [2018-11-18 14:52:02,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:52:02,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:52:02,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:52:02,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:52:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:52:02,794 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-18 14:52:37,734 WARN L180 SmtUtils]: Spent 34.90 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:52:51,345 WARN L180 SmtUtils]: Spent 13.61 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:52:51,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:52:51 BoogieIcfgContainer [2018-11-18 14:52:51,414 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:52:51,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:52:51,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:52:51,416 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:52:51,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:52:01" (3/4) ... [2018-11-18 14:52:51,419 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:52:51,463 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_234def13-664d-405c-a4c6-4862728fd986/bin-2019/uautomizer/witness.graphml [2018-11-18 14:52:51,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:52:51,463 INFO L168 Benchmark]: Toolchain (without parser) took 50769.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 956.6 MB in the beginning and 956.9 MB in the end (delta: -321.5 kB). Peak memory consumption was 158.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:51,464 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:52:51,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:51,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.25 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 14:52:51,464 INFO L168 Benchmark]: Boogie Preprocessor took 21.16 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 14:52:51,465 INFO L168 Benchmark]: RCFGBuilder took 532.54 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:51,465 INFO L168 Benchmark]: BuchiAutomizer took 49760.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.0 GB in the beginning and 962.8 MB in the end (delta: 81.0 MB). Peak memory consumption was 189.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:51,465 INFO L168 Benchmark]: Witness Printer took 48.50 ms. Allocated memory is still 1.2 GB. Free memory was 962.8 MB in the beginning and 956.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:51,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.25 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 21.16 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 532.54 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49760.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.0 GB in the beginning and 962.8 MB in the end (delta: 81.0 MB). Peak memory consumption was 189.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.50 ms. Allocated memory is still 1.2 GB. Free memory was 962.8 MB in the beginning and 956.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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 218 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 49.2s. Construction of modules took 0.2s. 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, 208 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 218 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 296 SDtfs, 828 SDslu, 1083 SDs, 0 SdLazy, 74 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 431]: 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, "CRIT"=0, ",Meth:"=0, "Off"=0, ") "=33, "On"=0, "Env(Water:%i"=0, "Pump(System:"=0, "CRIT"=39, methaneLevelCritical=0, retValue_acc=1, tmp___0=0, retValue_acc=0, tmp=0, ")"=0, "OK"=0, ")"=8, tmp___1=0, "__utac__get_this_argtype"=22, "__utac__get_this_arg"=26, tmp___0=0, "__utac__get_this_arg"=11, "libacc.c"=23, cleanupTimeShifts=4, "libacc.c"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d85ae04=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@710c9551=0, "On"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f5ad907=148, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c103244=0, "Off"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@142130b3=0, "__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, retValue_acc=0, ",Pump:"=0, \result=0, "Off"=37, tmp___0=0, "Env(Water:%i"=29, ") "=0, "\n"=0, retValue_acc=0, "Off"=0, \result=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, retValue_acc=1, ",Pump:"=36, "\n"=28, \result=0, "i > 0 && i <= this->argsCount"=12, tmp=0, "libacc.c"=0, "OK"=40, tmp=1, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ead77fb=0, "i > 0 && i <= this->argsCount"=0, \result=1, "libacc.c"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b6f839c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@442ea228=0, tmp___2=148, "i > 0 && i <= this->argsCount"=20, tmp=1, splverifierCounter=0, \result=0, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54b8c362=0, "libacc.c"=0, "libacc.c"=14, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=19, "libacc.c"=0, "libacc.c"=0, "Pump(System:"=38, ",Meth:"=31, "On"=35} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 431]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L346] FCALL "i > 0 && i <= this->argsCount" [L346] FCALL "libacc.c" [L347] FCALL "__utac__get_this_arg" [L353] FCALL "i > 0 && i <= this->argsCount" [L353] FCALL "libacc.c" [L354] FCALL "__utac__get_this_arg" [L392] FCALL "i > 0 && i <= this->argsCount" [L392] FCALL "libacc.c" [L393] FCALL "__utac__get_this_argtype" [L399] FCALL "i > 0 && i <= this->argsCount" [L399] FCALL "libacc.c" [L400] FCALL "__utac__get_this_argtype" [L618] FCALL "Pump(System:" [L622] FCALL "On" [L626] FCALL "Off" [L630] FCALL ",Pump:" [L634] FCALL "On" [L638] FCALL "Off" [L642] FCALL ") " [L644] FCALL "\n" [L745] FCALL "Env(Water:%i" [L746] FCALL ",Meth:" [L750] FCALL "CRIT" [L754] FCALL "OK" [L758] FCALL ")" [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int retValue_acc ; [L925] int tmp ; [L929] FCALL select_helpers() [L930] FCALL select_features() [L931] CALL, EXPR valid_product() [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] RET return (retValue_acc); [L931] EXPR valid_product() [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) [L935] FCALL setup() [L936] CALL runTest() [L918] CALL test() [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 Loop: [L431] COND TRUE 1 [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___2) [L463] CALL startSystem() [L687] RET systemActive = 1 [L463] startSystem() [L478] CALL timeShift() [L506] COND FALSE !(\read(pumpRunning)) [L513] COND TRUE \read(systemActive) [L515] CALL processEnvironment() [L535] int tmp ; [L538] COND TRUE ! pumpRunning [L540] CALL, EXPR isHighWaterLevel() [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; [L656] CALL, EXPR isHighWaterSensorDry() [L773] int retValue_acc ; [L776] COND TRUE waterLevel < 2 [L777] retValue_acc = 1 [L778] RET return (retValue_acc); [L656] EXPR isHighWaterSensorDry() [L656] tmp = isHighWaterSensorDry() [L658] COND TRUE \read(tmp) [L659] tmp___0 = 0 [L663] retValue_acc = tmp___0 [L664] RET return (retValue_acc); [L540] EXPR isHighWaterLevel() [L540] tmp = isHighWaterLevel() [L542] COND FALSE !(\read(tmp)) [L548] RET, FCALL processEnvironment__wrappee__base() [L515] processEnvironment() [L521] CALL __utac_acc__Specification1_spec__1() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR isMethaneLevelCritical() [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] RET return (retValue_acc); [L793] EXPR isMethaneLevelCritical() [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE, RET !(\read(tmp)) [L521] RET __utac_acc__Specification1_spec__1() [L478] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...