./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/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 5f95caf83b1aeb224c615c1dcd2faa7bff4a2a72 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:20:15,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:20:15,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:20:15,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:20:15,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:20:15,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:20:15,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:20:15,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:20:15,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:20:15,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:20:15,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:20:15,139 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:20:15,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:20:15,140 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:20:15,141 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:20:15,141 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:20:15,142 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:20:15,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:20:15,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:20:15,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:20:15,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:20:15,146 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:20:15,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:20:15,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:20:15,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:20:15,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:20:15,149 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:20:15,150 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:20:15,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:20:15,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:20:15,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:20:15,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:20:15,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:20:15,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:20:15,153 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:20:15,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:20:15,153 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:20:15,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:20:15,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:20:15,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:20:15,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:20:15,164 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:20:15,164 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:20:15,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:20:15,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:20:15,166 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:20:15,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:20:15,167 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:20:15,167 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:20:15,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:20:15,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:20:15,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:20:15,167 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:20:15,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:20:15,168 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:20:15,168 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:20:15,169 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:20:15,169 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_eb146495-9c30-4eb8-a522-9e43c451ebdf/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 -> 5f95caf83b1aeb224c615c1dcd2faa7bff4a2a72 [2018-11-18 09:20:15,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:20:15,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:20:15,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:20:15,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:20:15,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:20:15,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-18 09:20:15,259 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/data/281badfed/92f5c20b95a148c8be0f01db79519865/FLAG90aadc720 [2018-11-18 09:20:15,649 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:20:15,649 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-18 09:20:15,660 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/data/281badfed/92f5c20b95a148c8be0f01db79519865/FLAG90aadc720 [2018-11-18 09:20:16,031 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/data/281badfed/92f5c20b95a148c8be0f01db79519865 [2018-11-18 09:20:16,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:20:16,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:20:16,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:20:16,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:20:16,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:20:16,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe95feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16, skipping insertion in model container [2018-11-18 09:20:16,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:20:16,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:20:16,288 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:20:16,298 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:20:16,414 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:20:16,438 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:20:16,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16 WrapperNode [2018-11-18 09:20:16,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:20:16,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:20:16,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:20:16,440 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:20:16,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:20:16,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:20:16,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:20:16,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:20:16,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... [2018-11-18 09:20:16,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:20:16,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:20:16,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:20:16,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:20:16,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/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 09:20:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:20:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:20:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:20:17,154 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:20:17,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:17 BoogieIcfgContainer [2018-11-18 09:20:17,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:20:17,155 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:20:17,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:20:17,158 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:20:17,158 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:20:17,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:20:16" (1/3) ... [2018-11-18 09:20:17,159 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@289ca927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:20:17, skipping insertion in model container [2018-11-18 09:20:17,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:20:17,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:16" (2/3) ... [2018-11-18 09:20:17,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@289ca927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:20:17, skipping insertion in model container [2018-11-18 09:20:17,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:20:17,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:17" (3/3) ... [2018-11-18 09:20:17,162 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-18 09:20:17,199 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:20:17,200 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:20:17,200 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:20:17,200 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:20:17,200 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:20:17,200 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:20:17,200 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:20:17,200 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:20:17,201 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:20:17,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 09:20:17,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 09:20:17,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:20:17,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:20:17,247 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:20:17,247 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] [2018-11-18 09:20:17,247 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:20:17,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 09:20:17,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 09:20:17,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:20:17,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:20:17,254 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:20:17,254 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] [2018-11-18 09:20:17,259 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 138#L404true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 56#L397true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 159#L412true main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret64;havoc main_#t~ret64; 132#L875true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 73#L851true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 110#L336true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 30#L271-3true [2018-11-18 09:20:17,260 INFO L796 eck$LassoCheckResult]: Loop: 30#L271-3true assume true; 31#L271-1true assume !false; 130#L272true assume test_~splverifierCounter~0 < 4; 58#L273true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 112#L281true assume !(0 != test_~tmp~4); 108#L281-2true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 161#L291true assume !(0 != test_~tmp___0~1); 158#L291-2true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 47#L301true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet24;havoc test_#t~nondet24; 65#L309true assume 0 != test_~tmp___1~0; 42#L309-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret25;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 99#L190true __utac_acc__Specification5_spec__2_#t~ret25 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret25;havoc __utac_acc__Specification5_spec__2_#t~ret25; 164#L346true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 9#L62true assume !(0 != ~pumpRunning~0); 8#L62-2true assume !(0 != ~systemActive~0); 115#L69-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 50#L964true __utac_acc__Specification5_spec__3_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 163#L357true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 143#L357-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 144#L79true assume { :end_inline_timeShift } true; 30#L271-3true [2018-11-18 09:20:17,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:17,265 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:20:17,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:17,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:17,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:17,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:17,439 INFO L82 PathProgramCache]: Analyzing trace with hash 972038108, now seen corresponding path program 1 times [2018-11-18 09:20:17,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:17,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:17,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:17,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:17,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1950403515, now seen corresponding path program 1 times [2018-11-18 09:20:17,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:17,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:17,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:17,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:20:17,571 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 09:20:17,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:20:17,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:20:17,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:20:17,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:20:17,685 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 6 states. [2018-11-18 09:20:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:20:17,836 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2018-11-18 09:20:17,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:20:17,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 203 transitions. [2018-11-18 09:20:17,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 09:20:17,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 150 states and 193 transitions. [2018-11-18 09:20:17,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2018-11-18 09:20:17,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2018-11-18 09:20:17,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 193 transitions. [2018-11-18 09:20:17,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:20:17,848 INFO L705 BuchiCegarLoop]: Abstraction has 150 states and 193 transitions. [2018-11-18 09:20:17,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 193 transitions. [2018-11-18 09:20:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 09:20:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 09:20:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 193 transitions. [2018-11-18 09:20:17,876 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 193 transitions. [2018-11-18 09:20:17,876 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 193 transitions. [2018-11-18 09:20:17,876 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:20:17,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 193 transitions. [2018-11-18 09:20:17,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 09:20:17,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:20:17,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:20:17,881 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:20:17,881 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] [2018-11-18 09:20:17,882 INFO L794 eck$LassoCheckResult]: Stem: 477#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 360#L404 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 425#L397 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 426#L412 main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret64;havoc main_#t~ret64; 483#L875 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 438#L851 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 439#L336 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 394#L271-3 [2018-11-18 09:20:17,882 INFO L796 eck$LassoCheckResult]: Loop: 394#L271-3 assume true; 395#L271-1 assume !false; 396#L272 assume test_~splverifierCounter~0 < 4; 430#L273 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 431#L281 assume !(0 != test_~tmp~4); 364#L281-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 471#L291 assume !(0 != test_~tmp___0~1); 484#L291-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 415#L301 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet24;havoc test_#t~nondet24; 416#L309 assume 0 != test_~tmp___1~0; 408#L309-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret25;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 411#L190 __utac_acc__Specification5_spec__2_#t~ret25 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret25;havoc __utac_acc__Specification5_spec__2_#t~ret25; 467#L346 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 354#L62 assume !(0 != ~pumpRunning~0); 352#L62-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 353#L120 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 382#L94-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 405#L86-3 assume { :end_inline_processEnvironment__wrappee__base } true; 406#L94-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 375#L120-1 assume { :end_inline_processEnvironment } true; 376#L69-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 418#L964 __utac_acc__Specification5_spec__3_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 419#L357 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 391#L357-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 486#L79 assume { :end_inline_timeShift } true; 394#L271-3 [2018-11-18 09:20:17,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:17,882 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:20:17,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:17,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:17,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:17,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash 20349179, now seen corresponding path program 1 times [2018-11-18 09:20:17,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:17,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:17,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,931 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:20:17,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:17,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:17,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1289799218, now seen corresponding path program 1 times [2018-11-18 09:20:17,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:17,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:17,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:17,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:20:18,015 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 09:20:18,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:20:18,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:20:18,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:20:18,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:20:18,109 INFO L87 Difference]: Start difference. First operand 150 states and 193 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 09:20:18,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:20:18,366 INFO L93 Difference]: Finished difference Result 469 states and 602 transitions. [2018-11-18 09:20:18,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:20:18,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 602 transitions. [2018-11-18 09:20:18,373 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 196 [2018-11-18 09:20:18,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 602 transitions. [2018-11-18 09:20:18,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2018-11-18 09:20:18,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2018-11-18 09:20:18,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 602 transitions. [2018-11-18 09:20:18,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:20:18,381 INFO L705 BuchiCegarLoop]: Abstraction has 469 states and 602 transitions. [2018-11-18 09:20:18,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 602 transitions. [2018-11-18 09:20:18,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 288. [2018-11-18 09:20:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-11-18 09:20:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 367 transitions. [2018-11-18 09:20:18,395 INFO L728 BuchiCegarLoop]: Abstraction has 288 states and 367 transitions. [2018-11-18 09:20:18,395 INFO L608 BuchiCegarLoop]: Abstraction has 288 states and 367 transitions. [2018-11-18 09:20:18,395 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:20:18,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 367 transitions. [2018-11-18 09:20:18,398 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 196 [2018-11-18 09:20:18,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:20:18,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:20:18,399 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:20:18,399 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 09:20:18,399 INFO L794 eck$LassoCheckResult]: Stem: 1120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 991#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 992#L404 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1061#L397 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 1062#L412 main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret64;havoc main_#t~ret64; 1126#L875 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 1076#L851 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1077#L336 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1029#L271-3 [2018-11-18 09:20:18,400 INFO L796 eck$LassoCheckResult]: Loop: 1029#L271-3 assume true; 1030#L271-1 assume !false; 1031#L272 assume test_~splverifierCounter~0 < 4; 1064#L273 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 1065#L281 assume !(0 != test_~tmp~4); 1113#L281-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 1114#L291 assume !(0 != test_~tmp___0~1); 1127#L291-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1048#L301 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1042#L254 assume { :end_inline_startSystem } true; 1043#L309-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret25;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1046#L190 __utac_acc__Specification5_spec__2_#t~ret25 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret25;havoc __utac_acc__Specification5_spec__2_#t~ret25; 1108#L346 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 989#L62 assume !(0 != ~pumpRunning~0); 987#L62-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 988#L120 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 1015#L94-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1038#L86-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1039#L94-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1010#L120-1 assume { :end_inline_processEnvironment } true; 1011#L69-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1053#L964 __utac_acc__Specification5_spec__3_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 1054#L357 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1105#L190-1 __utac_acc__Specification5_spec__3_#t~ret27 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret27;havoc __utac_acc__Specification5_spec__3_#t~ret27; 1074#L361 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1028#L357-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1132#L79 assume { :end_inline_timeShift } true; 1029#L271-3 [2018-11-18 09:20:18,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:18,400 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:20:18,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:18,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:18,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:18,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:18,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:18,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:18,438 INFO L82 PathProgramCache]: Analyzing trace with hash 2129909559, now seen corresponding path program 1 times [2018-11-18 09:20:18,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:18,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:18,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:18,439 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:20:18,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:18,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:18,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1994282322, now seen corresponding path program 1 times [2018-11-18 09:20:18,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:20:18,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:20:18,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:18,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:20:18,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:20:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:21:21,723 WARN L180 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:21:48,183 WARN L180 SmtUtils]: Spent 26.46 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:21:48,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:21:48 BoogieIcfgContainer [2018-11-18 09:21:48,255 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:21:48,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:21:48,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:21:48,255 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:21:48,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:17" (3/4) ... [2018-11-18 09:21:48,258 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:21:48,306 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb146495-9c30-4eb8-a522-9e43c451ebdf/bin-2019/uautomizer/witness.graphml [2018-11-18 09:21:48,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:21:48,307 INFO L168 Benchmark]: Toolchain (without parser) took 92272.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 957.0 MB in the beginning and 916.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 204.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:48,307 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:21:48,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:48,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.97 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 09:21:48,308 INFO L168 Benchmark]: Boogie Preprocessor took 34.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:21:48,308 INFO L168 Benchmark]: RCFGBuilder took 623.18 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: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:48,308 INFO L168 Benchmark]: BuchiAutomizer took 91099.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 922.5 MB in the end (delta: 128.2 MB). Peak memory consumption was 191.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:48,309 INFO L168 Benchmark]: Witness Printer took 51.17 ms. Allocated memory is still 1.2 GB. Free memory was 922.5 MB in the beginning and 916.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:48,310 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.97 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 34.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 623.18 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: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 91099.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 922.5 MB in the end (delta: 128.2 MB). Peak memory consumption was 191.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.17 ms. Allocated memory is still 1.2 GB. Free memory was 922.5 MB in the beginning and 916.6 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 288 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 91.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 90.4s. 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, 181 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 288 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 530 SDtfs, 1514 SDslu, 646 SDs, 0 SdLazy, 105 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 271]: 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 {"Off"=34, NULL=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "On"=14, "__utac__get_this_argtype"=0, "libacc.c"=0, retValue_acc=0, "OK"=40, ",Pump:"=36, "i > 0 && i <= this->argsCount"=22, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@267d8dfc=0, tmp=0, tmp=1, ",Meth:"=0, "Env(Water:%i"=0, ",Meth:"=8, tmp___1=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=26, \result=0, ") "=33, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=29, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=18, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54586abe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e893a85=0, tmp___0=0, "__utac__get_this_arg"=27, "libacc.c"=11, \result=0, "__utac__get_this_arg"=23, ")"=38, "\n"=0, "Env(Water:%i"=17, "CRIT"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@256c8323=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b3457bf=158, "libacc.c"=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17fb19f1=0, "libacc.c"=28, retValue_acc=1, "__utac__get_this_argtype"=16, "OK"=0, ")"=0, "Pump(System:"=12, tmp___2=158, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, "On"=0, "Pump(System:"=0, "Off"=37, "CRIT"=39, "i > 0 && i <= this->argsCount"=19, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@568c25d5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14b7607e=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d16bb20=0, retValue_acc=0, tmp=0, "\n"=31, tmp=1, "On"=0, ",Pump:"=0, "On"=35, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56030a5c=0, "libacc.c"=24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 271]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L199] FCALL "Pump(System:" [L203] FCALL "On" [L207] FCALL "Off" [L211] FCALL ",Pump:" [L215] FCALL "On" [L219] FCALL "Off" [L223] FCALL ") " [L225] FCALL "\n" [L714] FCALL "i > 0 && i <= this->argsCount" [L714] FCALL "libacc.c" [L715] FCALL "__utac__get_this_arg" [L721] FCALL "i > 0 && i <= this->argsCount" [L721] FCALL "libacc.c" [L722] FCALL "__utac__get_this_arg" [L760] FCALL "i > 0 && i <= this->argsCount" [L760] FCALL "libacc.c" [L761] FCALL "__utac__get_this_argtype" [L767] FCALL "i > 0 && i <= this->argsCount" [L767] FCALL "libacc.c" [L768] FCALL "__utac__get_this_argtype" [L941] FCALL "Env(Water:%i" [L942] FCALL ",Meth:" [L946] FCALL "CRIT" [L950] FCALL "OK" [L954] FCALL ")" [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L330] int switchedOnBeforeTS ; [L792] int cleanupTimeShifts = 4; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L866] int retValue_acc ; [L867] int tmp ; [L871] FCALL select_helpers() [L872] FCALL select_features() [L873] CALL, EXPR valid_product() [L408] int retValue_acc ; [L411] retValue_acc = 1 [L412] RET return (retValue_acc); [L873] EXPR valid_product() [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L877] FCALL setup() [L878] CALL runTest() [L859] CALL __utac_acc__Specification5_spec__1() [L335] RET switchedOnBeforeTS = 0 [L859] __utac_acc__Specification5_spec__1() [L860] CALL test() [L262] int splverifierCounter ; [L263] int tmp ; [L264] int tmp___0 ; [L265] int tmp___1 ; [L266] int tmp___2 ; [L269] splverifierCounter = 0 Loop: [L271] COND TRUE 1 [L273] COND TRUE splverifierCounter < 4 [L279] tmp = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp)) [L289] tmp___0 = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp___0)) [L299] tmp___2 = __VERIFIER_nondet_int() [L301] COND TRUE \read(tmp___2) [L303] CALL startSystem() [L253] RET systemActive = 1 [L303] startSystem() [L316] CALL timeShift() [L60] CALL __utac_acc__Specification5_spec__2() [L344] CALL, EXPR isPumpRunning() [L186] int retValue_acc ; [L189] retValue_acc = pumpRunning [L190] RET return (retValue_acc); [L344] EXPR isPumpRunning() [L344] RET switchedOnBeforeTS = isPumpRunning() [L60] __utac_acc__Specification5_spec__2() [L62] COND FALSE !(\read(pumpRunning)) [L69] COND TRUE \read(systemActive) [L71] CALL processEnvironment() [L117] int tmp ; [L120] COND FALSE !(\read(pumpRunning)) [L135] CALL processEnvironment__wrappee__methaneQuery() [L91] int tmp ; [L94] COND FALSE !(\read(pumpRunning)) [L109] RET, FCALL processEnvironment__wrappee__base() [L135] RET processEnvironment__wrappee__methaneQuery() [L71] processEnvironment() [L77] CALL __utac_acc__Specification5_spec__3() [L350] int tmp ; [L351] int tmp___0 ; [L355] CALL, EXPR getWaterLevel() [L960] int retValue_acc ; [L963] retValue_acc = waterLevel [L964] RET return (retValue_acc); [L355] EXPR getWaterLevel() [L355] tmp = getWaterLevel() [L357] COND TRUE tmp != 2 [L359] CALL, EXPR isPumpRunning() [L186] int retValue_acc ; [L189] retValue_acc = pumpRunning [L190] RET return (retValue_acc); [L359] EXPR isPumpRunning() [L359] tmp___0 = isPumpRunning() [L361] COND FALSE, RET !(\read(tmp___0)) [L77] RET __utac_acc__Specification5_spec__3() [L316] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...