./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product40_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_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product40_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/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 a7dbd4e152ee971b4407c7068d06d15a4635d510 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:05:11,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:05:11,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:05:11,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:05:11,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:05:11,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:05:11,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:05:11,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:05:11,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:05:11,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:05:11,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:05:11,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:05:11,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:05:11,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:05:11,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:05:11,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:05:11,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:05:11,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:05:11,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:05:11,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:05:11,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:05:11,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:05:11,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:05:11,690 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:05:11,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:05:11,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:05:11,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:05:11,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:05:11,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:05:11,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:05:11,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:05:11,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:05:11,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:05:11,695 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:05:11,696 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:05:11,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:05:11,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:05:11,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:05:11,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:05:11,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:05:11,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:05:11,709 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:05:11,709 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:05:11,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:05:11,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:05:11,711 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:05:11,712 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:05:11,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:05:11,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:05:11,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:05:11,712 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:05:11,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:05:11,712 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:05:11,712 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:05:11,713 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:05:11,713 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/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 -> a7dbd4e152ee971b4407c7068d06d15a4635d510 [2018-11-18 14:05:11,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:05:11,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:05:11,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:05:11,746 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:05:11,746 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:05:11,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product40_false-unreach-call_false-termination.cil.c [2018-11-18 14:05:11,782 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/data/face95d82/ae5d880cc63447efa51b5aab78362b2b/FLAG2fa62bfb0 [2018-11-18 14:05:12,203 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:05:12,203 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/sv-benchmarks/c/product-lines/minepump_spec4_product40_false-unreach-call_false-termination.cil.c [2018-11-18 14:05:12,210 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/data/face95d82/ae5d880cc63447efa51b5aab78362b2b/FLAG2fa62bfb0 [2018-11-18 14:05:12,219 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/data/face95d82/ae5d880cc63447efa51b5aab78362b2b [2018-11-18 14:05:12,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:05:12,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:05:12,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:05:12,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:05:12,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:05:12,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,228 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 02:05:12, skipping insertion in model container [2018-11-18 14:05:12,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:05:12,265 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:05:12,453 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:05:12,463 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:05:12,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:05:12,580 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:05:12,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12 WrapperNode [2018-11-18 14:05:12,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:05:12,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:05:12,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:05:12,582 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:05:12,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:05:12,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:05:12,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:05:12,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:05:12,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... [2018-11-18 14:05:12,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:05:12,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:05:12,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:05:12,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:05:12,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/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 14:05:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:05:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:05:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:05:13,337 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:05:13,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:05:13 BoogieIcfgContainer [2018-11-18 14:05:13,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:05:13,338 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:05:13,338 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:05:13,340 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:05:13,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:05:13,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:05:12" (1/3) ... [2018-11-18 14:05:13,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32089a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:05:13, skipping insertion in model container [2018-11-18 14:05:13,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:05:13,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:12" (2/3) ... [2018-11-18 14:05:13,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32089a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:05:13, skipping insertion in model container [2018-11-18 14:05:13,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:05:13,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:05:13" (3/3) ... [2018-11-18 14:05:13,344 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product40_false-unreach-call_false-termination.cil.c [2018-11-18 14:05:13,375 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:05:13,376 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:05:13,376 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:05:13,376 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:05:13,376 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:05:13,376 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:05:13,376 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:05:13,376 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:05:13,376 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:05:13,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 14:05:13,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 14:05:13,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:05:13,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:05:13,417 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:05:13,417 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 14:05:13,417 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:05:13,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 14:05:13,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 14:05:13,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:05:13,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:05:13,424 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:05:13,424 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 14:05:13,428 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.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(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 48#L942true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 154#L935true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 71#L950true main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 50#L419true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 122#L393true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L56-3true [2018-11-18 14:05:13,428 INFO L796 eck$LassoCheckResult]: Loop: 34#L56-3true assume true; 38#L56-1true assume !false; 162#L57true assume test_~splverifierCounter~0 < 4; 69#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 100#L66true assume !(0 != test_~tmp~0); 95#L66-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 12#L76true assume !(0 != test_~tmp___0~0); 7#L76-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 64#L86true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4#L321true assume { :end_inline_startSystem } true; 53#L94-2true assume { :begin_inline_timeShift } true; 15#L131true assume !(0 != ~pumpRunning~0); 11#L131-2true assume !(0 != ~systemActive~0); 60#L138-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 97#L509true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 156#L902true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 160#L902-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 121#L148true assume { :end_inline_timeShift } true; 34#L56-3true [2018-11-18 14:05:13,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:13,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:05:13,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:13,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:13,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:05:13,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:13,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:13,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1227379981, now seen corresponding path program 1 times [2018-11-18 14:05:13,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:13,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:13,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:05:13,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:05:13,644 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 14:05:13,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:05:13,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:05:13,649 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:05:13,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:05:13,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:05:13,660 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 3 states. [2018-11-18 14:05:13,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:05:13,711 INFO L93 Difference]: Finished difference Result 311 states and 409 transitions. [2018-11-18 14:05:13,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:05:13,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 409 transitions. [2018-11-18 14:05:13,717 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 204 [2018-11-18 14:05:13,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 291 states and 388 transitions. [2018-11-18 14:05:13,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2018-11-18 14:05:13,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2018-11-18 14:05:13,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 388 transitions. [2018-11-18 14:05:13,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:05:13,726 INFO L705 BuchiCegarLoop]: Abstraction has 291 states and 388 transitions. [2018-11-18 14:05:13,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 388 transitions. [2018-11-18 14:05:13,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2018-11-18 14:05:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-11-18 14:05:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2018-11-18 14:05:13,753 INFO L728 BuchiCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-11-18 14:05:13,753 INFO L608 BuchiCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-11-18 14:05:13,753 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:05:13,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 384 transitions. [2018-11-18 14:05:13,756 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2018-11-18 14:05:13,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:05:13,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:05:13,757 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:05:13,757 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:05:13,757 INFO L794 eck$LassoCheckResult]: Stem: 609#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.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(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 489#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 490#L942 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 545#L935 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 579#L950 main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 548#L419 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 549#L393 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 637#L56-3 [2018-11-18 14:05:13,758 INFO L796 eck$LassoCheckResult]: Loop: 637#L56-3 assume true; 529#L56-1 assume !false; 530#L57 assume test_~splverifierCounter~0 < 4; 661#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 616#L66 assume !(0 != test_~tmp~0); 552#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 668#L76 assume !(0 != test_~tmp___0~0); 666#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 568#L86 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 485#L321 assume { :end_inline_startSystem } true; 486#L94-2 assume { :begin_inline_timeShift } true; 499#L131 assume !(0 != ~pumpRunning~0); 495#L131-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 496#L189 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 569#L163-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 570#L155-3 assume { :end_inline_processEnvironment__wrappee__base } true; 566#L163-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 567#L189-1 assume { :end_inline_processEnvironment } true; 651#L138-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 676#L509 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 675#L902 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 674#L902-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 636#L148 assume { :end_inline_timeShift } true; 637#L56-3 [2018-11-18 14:05:13,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:05:13,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:13,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:13,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:05:13,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:13,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:13,818 INFO L82 PathProgramCache]: Analyzing trace with hash -151849822, now seen corresponding path program 1 times [2018-11-18 14:05:13,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:13,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:13,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,819 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:05:13,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:05:13,840 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 14:05:13,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:05:13,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:05:13,840 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:05:13,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:05:13,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:05:13,841 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. cyclomatic complexity: 99 Second operand 3 states. [2018-11-18 14:05:13,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:05:13,921 INFO L93 Difference]: Finished difference Result 404 states and 517 transitions. [2018-11-18 14:05:13,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:05:13,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 517 transitions. [2018-11-18 14:05:13,925 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2018-11-18 14:05:13,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 404 states and 517 transitions. [2018-11-18 14:05:13,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 404 [2018-11-18 14:05:13,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 404 [2018-11-18 14:05:13,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 404 states and 517 transitions. [2018-11-18 14:05:13,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:05:13,930 INFO L705 BuchiCegarLoop]: Abstraction has 404 states and 517 transitions. [2018-11-18 14:05:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states and 517 transitions. [2018-11-18 14:05:13,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2018-11-18 14:05:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-11-18 14:05:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 517 transitions. [2018-11-18 14:05:13,943 INFO L728 BuchiCegarLoop]: Abstraction has 404 states and 517 transitions. [2018-11-18 14:05:13,944 INFO L608 BuchiCegarLoop]: Abstraction has 404 states and 517 transitions. [2018-11-18 14:05:13,944 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:05:13,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 404 states and 517 transitions. [2018-11-18 14:05:13,945 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2018-11-18 14:05:13,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:05:13,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:05:13,946 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:05:13,946 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, 1, 1] [2018-11-18 14:05:13,947 INFO L794 eck$LassoCheckResult]: Stem: 1304#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.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(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1188#L942 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1243#L935 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1277#L950 main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 1244#L419 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1245#L393 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1338#L56-3 [2018-11-18 14:05:13,947 INFO L796 eck$LassoCheckResult]: Loop: 1338#L56-3 assume true; 1518#L56-1 assume !false; 1514#L57 assume test_~splverifierCounter~0 < 4; 1274#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1275#L66 assume !(0 != test_~tmp~0); 1249#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1194#L76 assume !(0 != test_~tmp___0~0); 1182#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1189#L86 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 1258#L94 assume !(0 != test_~tmp___1~0); 1184#L94-2 assume { :begin_inline_timeShift } true; 1196#L131 assume !(0 != ~pumpRunning~0); 1192#L131-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1193#L189 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1267#L163-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1268#L517-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1316#L522-1 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1351#L291-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1333#L291-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1334#L297-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1453#L167-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1454#L155-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1532#L163-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1531#L189-1 assume { :end_inline_processEnvironment } true; 1530#L138-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1529#L509 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 1527#L902 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 1523#L902-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1521#L148 assume { :end_inline_timeShift } true; 1338#L56-3 [2018-11-18 14:05:13,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:13,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 14:05:13,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:13,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:13,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:05:13,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:13,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:13,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1543310636, now seen corresponding path program 1 times [2018-11-18 14:05:13,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:13,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:13,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:05:13,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:14,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:05:14,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1417575912, now seen corresponding path program 1 times [2018-11-18 14:05:14,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:05:14,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:05:14,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:14,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:05:14,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:05:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:05:14,152 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-11-18 14:05:49,089 WARN L180 SmtUtils]: Spent 34.89 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:06:11,691 WARN L180 SmtUtils]: Spent 22.60 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:06:11,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:06:11 BoogieIcfgContainer [2018-11-18 14:06:11,753 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:06:11,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:06:11,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:06:11,753 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:06:11,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:05:13" (3/4) ... [2018-11-18 14:06:11,756 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:06:11,817 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90274967-9fd3-4184-bd69-7590103d7765/bin-2019/uautomizer/witness.graphml [2018-11-18 14:06:11,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:06:11,817 INFO L168 Benchmark]: Toolchain (without parser) took 59596.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.5 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -303.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:06:11,819 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:06:11,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -200.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:06:11,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:06:11,820 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:06:11,821 INFO L168 Benchmark]: RCFGBuilder took 673.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:06:11,821 INFO L168 Benchmark]: BuchiAutomizer took 58414.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.6 MB). Peak memory consumption was 307.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:06:11,822 INFO L168 Benchmark]: Witness Printer took 63.68 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:06:11,824 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -200.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 673.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58414.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.6 MB). Peak memory consumption was 307.0 MB. Max. memory is 11.5 GB. * Witness Printer took 63.68 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 404 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 58.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 404 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 404 SDtfs, 342 SDslu, 286 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 56]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b7aea75=0, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "On"=29, "__utac__get_this_arg"=12, "libacc.c"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f216d10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43af9822=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5055863a=0, "libacc.c"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@771f1afe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb80f3f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f4670ac=0, "__utac__get_this_argtype"=38, "i > 0 && i <= this->argsCount"=8, methaneLevelCritical=0, "Pump(System:"=31, tmp___0=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, "Pump(System:"=0, ") "=23, ",Meth:"=19, cleanupTimeShifts=4, tmp=0, tmp=0, ")"=16, ",Pump:"=27, tmp___0=0, "i > 0 && i <= this->argsCount"=15, NULL=0, systemActive=1, waterLevel=1, \result=1, "OK"=0, "CRIT"=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65bd387b=0, "__utac__get_this_arg"=34, "Off"=0, "Off"=28, \result=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a247fcd=0, "libacc.c"=0, tmp___0=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=24, head=0, pumpRunning=0, "libacc.c"=11, \result=0, retValue_acc=1, tmp=1, "libacc.c"=39, "On"=0, ")"=0, "Off"=0, \result=1, "__utac__get_this_argtype"=40, "\n"=22, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5171e416=0, tmp=1, tmp___2=0, "CRIT"=18, "Env(Water:%i"=20, retValue_acc=1, splverifierCounter=0, tmp=0, head=0, "Env(Water:%i"=0, ",Meth:"=0, ") "=0, "OK"=17, "On"=26, "\n"=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=14, "i > 0 && i <= this->argsCount"=35} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 56]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L251] FCALL "Pump(System:" [L255] FCALL "On" [L259] FCALL "Off" [L263] FCALL ",Pump:" [L267] FCALL "On" [L271] FCALL "Off" [L275] FCALL ") " [L277] FCALL "\n" [L486] FCALL "Env(Water:%i" [L487] FCALL ",Meth:" [L491] FCALL "CRIT" [L495] FCALL "OK" [L499] FCALL ")" [L825] FCALL "i > 0 && i <= this->argsCount" [L825] FCALL "libacc.c" [L826] FCALL "__utac__get_this_arg" [L832] FCALL "i > 0 && i <= this->argsCount" [L832] FCALL "libacc.c" [L833] FCALL "__utac__get_this_arg" [L871] FCALL "i > 0 && i <= this->argsCount" [L871] FCALL "libacc.c" [L872] FCALL "__utac__get_this_argtype" [L878] FCALL "i > 0 && i <= this->argsCount" [L878] FCALL "libacc.c" [L879] FCALL "__utac__get_this_argtype" [L123] int pumpRunning = 0; [L124] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L434] int waterLevel = 1; [L435] int methaneLevelCritical = 0; [L697] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L946] int retValue_acc ; [L949] retValue_acc = 1 [L950] RET return (retValue_acc); [L417] EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___1)) [L103] CALL timeShift() [L131] COND FALSE !(\read(pumpRunning)) [L138] COND TRUE \read(systemActive) [L140] CALL processEnvironment() [L186] int tmp ; [L189] COND FALSE !(\read(pumpRunning)) [L204] CALL processEnvironment__wrappee__highWaterSensor() [L160] int tmp ; [L163] COND TRUE ! pumpRunning [L165] CALL, EXPR isHighWaterLevel() [L283] int retValue_acc ; [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR isHighWaterSensorDry() [L514] int retValue_acc ; [L517] COND TRUE waterLevel < 2 [L518] retValue_acc = 1 [L519] RET return (retValue_acc); [L289] EXPR isHighWaterSensorDry() [L289] tmp = isHighWaterSensorDry() [L291] COND TRUE \read(tmp) [L292] tmp___0 = 0 [L296] retValue_acc = tmp___0 [L297] RET return (retValue_acc); [L165] EXPR isHighWaterLevel() [L165] tmp = isHighWaterLevel() [L167] COND FALSE !(\read(tmp)) [L173] RET, FCALL processEnvironment__wrappee__base() [L204] RET processEnvironment__wrappee__highWaterSensor() [L140] processEnvironment() [L146] CALL __utac_acc__Specification4_spec__1() [L895] int tmp ; [L896] int tmp___0 ; [L900] CALL, EXPR getWaterLevel() [L505] int retValue_acc ; [L508] retValue_acc = waterLevel [L509] RET return (retValue_acc); [L900] EXPR getWaterLevel() [L900] tmp = getWaterLevel() [L902] COND FALSE, RET !(tmp == 0) [L146] RET __utac_acc__Specification4_spec__1() [L103] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...