./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product18_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_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/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 d9de6d80b6c7c2293239cef108d51b68cac5001a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:37:19,659 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:37:19,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:37:19,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:37:19,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:37:19,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:37:19,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:37:19,672 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:37:19,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:37:19,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:37:19,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:37:19,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:37:19,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:37:19,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:37:19,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:37:19,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:37:19,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:37:19,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:37:19,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:37:19,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:37:19,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:37:19,685 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:37:19,687 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:37:19,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:37:19,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:37:19,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:37:19,689 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:37:19,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:37:19,691 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:37:19,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:37:19,692 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:37:19,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:37:19,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:37:19,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:37:19,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:37:19,693 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:37:19,694 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:37:19,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:37:19,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:37:19,706 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:37:19,706 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:37:19,706 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:37:19,706 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:37:19,706 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:37:19,706 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:37:19,706 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:37:19,707 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:37:19,707 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:37:19,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:37:19,708 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:37:19,709 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:37:19,709 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:37:19,709 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:37:19,709 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:37:19,709 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:37:19,709 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_eaa2fc50-d2d4-4fc2-bf44-de841053438a/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 -> d9de6d80b6c7c2293239cef108d51b68cac5001a [2018-11-18 16:37:19,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:37:19,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:37:19,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:37:19,742 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:37:19,742 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:37:19,742 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c [2018-11-18 16:37:19,780 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/data/77cc44ed8/852c81462e5d4dcdb66b3cd113d592ca/FLAG250325d58 [2018-11-18 16:37:20,209 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:37:20,209 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/sv-benchmarks/c/product-lines/minepump_spec5_product18_true-unreach-call_false-termination.cil.c [2018-11-18 16:37:20,216 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/data/77cc44ed8/852c81462e5d4dcdb66b3cd113d592ca/FLAG250325d58 [2018-11-18 16:37:20,225 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/data/77cc44ed8/852c81462e5d4dcdb66b3cd113d592ca [2018-11-18 16:37:20,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:37:20,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:37:20,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:37:20,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:37:20,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:37:20,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20, skipping insertion in model container [2018-11-18 16:37:20,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:37:20,272 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:37:20,465 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:37:20,474 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:37:20,579 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:37:20,599 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:37:20,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20 WrapperNode [2018-11-18 16:37:20,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:37:20,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:37:20,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:37:20,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:37:20,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:37:20,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:37:20,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:37:20,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:37:20,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... [2018-11-18 16:37:20,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:37:20,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:37:20,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:37:20,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:37:20,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/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 16:37:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:37:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:37:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:37:21,235 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:37:21,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:37:21 BoogieIcfgContainer [2018-11-18 16:37:21,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:37:21,237 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:37:21,237 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:37:21,239 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:37:21,240 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:37:21,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:37:20" (1/3) ... [2018-11-18 16:37:21,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@481f549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:37:21, skipping insertion in model container [2018-11-18 16:37:21,241 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:37:21,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:37:20" (2/3) ... [2018-11-18 16:37:21,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@481f549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:37:21, skipping insertion in model container [2018-11-18 16:37:21,242 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:37:21,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:37:21" (3/3) ... [2018-11-18 16:37:21,243 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product18_true-unreach-call_false-termination.cil.c [2018-11-18 16:37:21,279 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:37:21,279 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:37:21,279 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:37:21,280 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:37:21,280 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:37:21,280 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:37:21,280 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:37:21,280 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:37:21,280 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:37:21,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-18 16:37:21,313 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 16:37:21,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:37:21,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:37:21,319 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:37:21,320 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 16:37:21,320 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:37:21,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-18 16:37:21,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 16:37:21,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:37:21,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:37:21,325 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:37:21,326 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 16:37:21,329 INFO L794 eck$LassoCheckResult]: Stem: 76#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 95#L319true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 36#L312true 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; 99#L327true main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret24;havoc main_#t~ret24; 57#L416true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 61#L391true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 110#L437true assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 59#L55-3true [2018-11-18 16:37:21,330 INFO L796 eck$LassoCheckResult]: Loop: 59#L55-3true assume true; 78#L55-1true assume !false; 44#L56true assume test_~splverifierCounter~0 < 4; 115#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 17#L65true assume !(0 != test_~tmp~0); 12#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 51#L75true assume !(0 != test_~tmp___0~0); 37#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 96#L85true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 67#L281true assume { :end_inline_startSystem } true; 87#L93-2true 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; 103#L217true __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; 39#L447true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 82#L132true assume !(0 != ~pumpRunning~0); 81#L132-2true assume !(0 != ~systemActive~0); 27#L139-1true 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~4, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~4;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; 3#L921true __utac_acc__Specification5_spec__3_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 38#L458true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 28#L458-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 60#L149true assume { :end_inline_timeShift } true; 59#L55-3true [2018-11-18 16:37:21,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:21,336 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 16:37:21,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:21,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:21,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:37:21,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:21,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:21,494 INFO L82 PathProgramCache]: Analyzing trace with hash -658226821, now seen corresponding path program 1 times [2018-11-18 16:37:21,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:21,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:21,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:37:21,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:37:21,530 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 16:37:21,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:37:21,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:37:21,535 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:37:21,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:37:21,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:37:21,546 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 3 states. [2018-11-18 16:37:21,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:37:21,581 INFO L93 Difference]: Finished difference Result 112 states and 141 transitions. [2018-11-18 16:37:21,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:37:21,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 141 transitions. [2018-11-18 16:37:21,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 16:37:21,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 130 transitions. [2018-11-18 16:37:21,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2018-11-18 16:37:21,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2018-11-18 16:37:21,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 130 transitions. [2018-11-18 16:37:21,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:37:21,594 INFO L705 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2018-11-18 16:37:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 130 transitions. [2018-11-18 16:37:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-18 16:37:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 16:37:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 130 transitions. [2018-11-18 16:37:21,618 INFO L728 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2018-11-18 16:37:21,618 INFO L608 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2018-11-18 16:37:21,618 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:37:21,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 130 transitions. [2018-11-18 16:37:21,619 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 16:37:21,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:37:21,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:37:21,620 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:37:21,620 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 16:37:21,621 INFO L794 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 249#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 250#L319 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 290#L312 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; 291#L327 main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret24;havoc main_#t~ret24; 311#L416 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 312#L391 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 315#L437 assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 313#L55-3 [2018-11-18 16:37:21,621 INFO L796 eck$LassoCheckResult]: Loop: 313#L55-3 assume true; 314#L55-1 assume !false; 298#L56 assume test_~splverifierCounter~0 < 4; 299#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 261#L65 assume !(0 != test_~tmp~0); 251#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 252#L75 assume !(0 != test_~tmp___0~0); 292#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 293#L85 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 321#L281 assume { :end_inline_startSystem } true; 322#L93-2 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; 330#L217 __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; 295#L447 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 296#L132 assume !(0 != ~pumpRunning~0); 264#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 273#L164 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 275#L156-1 assume { :end_inline_processEnvironment__wrappee__base } true; 270#L164-1 assume { :end_inline_processEnvironment } true; 271#L139-1 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~4, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~4;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; 236#L921 __utac_acc__Specification5_spec__3_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 237#L458 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 278#L458-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 279#L149 assume { :end_inline_timeShift } true; 313#L55-3 [2018-11-18 16:37:21,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:21,621 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 16:37:21,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:21,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:21,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:37:21,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:21,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:21,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1952866527, now seen corresponding path program 1 times [2018-11-18 16:37:21,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:21,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:21,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,675 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:37:21,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:21,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:21,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1129200104, now seen corresponding path program 1 times [2018-11-18 16:37:21,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:21,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:21,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:37:21,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:37:21,767 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 16:37:21,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:37:21,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:37:21,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:37:21,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:37:21,878 INFO L87 Difference]: Start difference. First operand 102 states and 130 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-11-18 16:37:22,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:37:22,057 INFO L93 Difference]: Finished difference Result 293 states and 371 transitions. [2018-11-18 16:37:22,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:37:22,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 371 transitions. [2018-11-18 16:37:22,062 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 132 [2018-11-18 16:37:22,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 371 transitions. [2018-11-18 16:37:22,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2018-11-18 16:37:22,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2018-11-18 16:37:22,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 371 transitions. [2018-11-18 16:37:22,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:37:22,067 INFO L705 BuchiCegarLoop]: Abstraction has 293 states and 371 transitions. [2018-11-18 16:37:22,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 371 transitions. [2018-11-18 16:37:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 192. [2018-11-18 16:37:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-11-18 16:37:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 241 transitions. [2018-11-18 16:37:22,077 INFO L728 BuchiCegarLoop]: Abstraction has 192 states and 241 transitions. [2018-11-18 16:37:22,077 INFO L608 BuchiCegarLoop]: Abstraction has 192 states and 241 transitions. [2018-11-18 16:37:22,078 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:37:22,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states and 241 transitions. [2018-11-18 16:37:22,079 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 132 [2018-11-18 16:37:22,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:37:22,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:37:22,080 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:37:22,080 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 16:37:22,080 INFO L794 eck$LassoCheckResult]: Stem: 747#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 666#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 667#L319 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 703#L312 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; 704#L327 main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret24;havoc main_#t~ret24; 727#L416 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 728#L391 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 732#L437 assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 730#L55-3 [2018-11-18 16:37:22,081 INFO L796 eck$LassoCheckResult]: Loop: 730#L55-3 assume true; 731#L55-1 assume !false; 712#L56 assume test_~splverifierCounter~0 < 4; 713#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 673#L65 assume !(0 != test_~tmp~0); 662#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 663#L75 assume !(0 != test_~tmp___0~0); 705#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 706#L85 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 738#L281 assume { :end_inline_startSystem } true; 739#L93-2 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; 752#L217 __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; 708#L447 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 709#L132 assume !(0 != ~pumpRunning~0); 748#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 686#L164 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 688#L156-1 assume { :end_inline_processEnvironment__wrappee__base } true; 683#L164-1 assume { :end_inline_processEnvironment } true; 684#L139-1 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~4, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~4;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; 647#L921 __utac_acc__Specification5_spec__3_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 648#L458 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;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; 707#L217-1 __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; 750#L462 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 691#L458-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 692#L149 assume { :end_inline_timeShift } true; 730#L55-3 [2018-11-18 16:37:22,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:22,081 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 16:37:22,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:22,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:22,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:22,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:37:22,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:22,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:22,116 INFO L82 PathProgramCache]: Analyzing trace with hash 176877340, now seen corresponding path program 1 times [2018-11-18 16:37:22,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:22,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:22,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:22,117 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:37:22,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:22,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:37:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1446327379, now seen corresponding path program 1 times [2018-11-18 16:37:22,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:37:22,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:37:22,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:22,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:37:22,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:37:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:37:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:38:06,969 WARN L180 SmtUtils]: Spent 44.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 16:38:31,444 WARN L180 SmtUtils]: Spent 24.47 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 16:38:31,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:38:31 BoogieIcfgContainer [2018-11-18 16:38:31,507 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:38:31,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:38:31,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:38:31,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:38:31,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:37:21" (3/4) ... [2018-11-18 16:38:31,510 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:38:31,554 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eaa2fc50-d2d4-4fc2-bf44-de841053438a/bin-2019/uautomizer/witness.graphml [2018-11-18 16:38:31,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:38:31,556 INFO L168 Benchmark]: Toolchain (without parser) took 71328.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -280.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:38:31,557 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:38:31,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:31,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.74 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:31,557 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 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 16:38:31,557 INFO L168 Benchmark]: RCFGBuilder took 561.62 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: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:31,558 INFO L168 Benchmark]: BuchiAutomizer took 70269.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -165.1 MB). Peak memory consumption was 311.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:31,558 INFO L168 Benchmark]: Witness Printer took 47.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:31,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.74 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.89 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 561.62 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: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 70269.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -165.1 MB). Peak memory consumption was 311.5 MB. Max. memory is 11.5 GB. * Witness Printer took 47.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 5 locations. The remainder module has 192 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 70.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 69.8s. Construction of modules took 0.1s. 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, 101 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 192 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 315 SDtfs, 557 SDslu, 399 SDs, 0 SdLazy, 83 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: 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 {"On"=18, NULL=0, "Env(Water:%i"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=28, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=14, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@560bb77e=0, "Pump(System:"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ae7c602=168, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d894505=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d3838d1=0, ")"=40, "Off"=20, "Env(Water:%i"=34, "libacc.c"=38, methaneLevelCritical=0, "CRIT"=0, tmp=1, ",Meth:"=0, "CRIT"=8, tmp___1=0, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, "libacc.c"=29, \result=0, "Off"=17, "\n"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "i > 0 && i <= this->argsCount"=37, "i > 0 && i <= this->argsCount"=0, "libacc.c"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fbdf0b3=0, tmp___0=0, "libacc.c"=0, "__utac__get_this_argtype"=35, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4705fb06=0, tmp___0=0, "i > 0 && i <= this->argsCount"=31, "__utac__get_this_argtype"=26, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67ada2e2=0, "\n"=15, tmp=1, ") "=0, ",Meth:"=33, "OK"=0, "On"=0, "__utac__get_this_arg"=0, "Off"=0, "__utac__get_this_arg"=12, retValue_acc=1, ")"=0, tmp___2=168, splverifierCounter=0, "libacc.c"=0, "On"=0, "Pump(System:"=0, "On"=22, "OK"=39, "libacc.c"=36, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@141c069=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@765fcfaf=0, retValue_acc=0, ") "=16, ",Pump:"=0, "Off"=0, ",Pump:"=19, "__utac__get_this_arg"=0, "__utac__get_this_arg"=27} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L226] FCALL "Pump(System:" [L230] FCALL "On" [L234] FCALL "Off" [L238] FCALL ",Pump:" [L242] FCALL "On" [L246] FCALL "Off" [L250] FCALL ") " [L252] FCALL "\n" [L777] FCALL "i > 0 && i <= this->argsCount" [L777] FCALL "libacc.c" [L778] FCALL "__utac__get_this_arg" [L784] FCALL "i > 0 && i <= this->argsCount" [L784] FCALL "libacc.c" [L785] FCALL "__utac__get_this_arg" [L823] FCALL "i > 0 && i <= this->argsCount" [L823] FCALL "libacc.c" [L824] FCALL "__utac__get_this_argtype" [L830] FCALL "i > 0 && i <= this->argsCount" [L830] FCALL "libacc.c" [L831] FCALL "__utac__get_this_argtype" [L898] FCALL "Env(Water:%i" [L899] FCALL ",Meth:" [L903] FCALL "CRIT" [L907] FCALL "OK" [L911] FCALL ")" [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L332] int cleanupTimeShifts = 4; [L431] int switchedOnBeforeTS ; [L846] int waterLevel = 1; [L847] int methaneLevelCritical = 0; [L649] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; [L412] FCALL select_helpers() [L413] FCALL select_features() [L414] CALL, EXPR valid_product() [L323] int retValue_acc ; [L326] retValue_acc = 1 [L327] RET return (retValue_acc); [L414] EXPR valid_product() [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) [L418] FCALL setup() [L419] CALL runTest() [L400] CALL __utac_acc__Specification5_spec__1() [L436] RET switchedOnBeforeTS = 0 [L400] __utac_acc__Specification5_spec__1() [L401] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L87] CALL startSystem() [L280] RET systemActive = 1 [L87] startSystem() [L100] CALL timeShift() [L130] CALL __utac_acc__Specification5_spec__2() [L445] CALL, EXPR isPumpRunning() [L213] int retValue_acc ; [L216] retValue_acc = pumpRunning [L217] RET return (retValue_acc); [L445] EXPR isPumpRunning() [L445] RET switchedOnBeforeTS = isPumpRunning() [L130] __utac_acc__Specification5_spec__2() [L132] COND FALSE !(\read(pumpRunning)) [L139] COND TRUE \read(systemActive) [L141] CALL processEnvironment() [L161] int tmp ; [L164] COND FALSE !(\read(pumpRunning)) [L179] RET, FCALL processEnvironment__wrappee__base() [L141] processEnvironment() [L147] CALL __utac_acc__Specification5_spec__3() [L451] int tmp ; [L452] int tmp___0 ; [L456] CALL, EXPR getWaterLevel() [L917] int retValue_acc ; [L920] retValue_acc = waterLevel [L921] RET return (retValue_acc); [L456] EXPR getWaterLevel() [L456] tmp = getWaterLevel() [L458] COND TRUE tmp != 2 [L460] CALL, EXPR isPumpRunning() [L213] int retValue_acc ; [L216] retValue_acc = pumpRunning [L217] RET return (retValue_acc); [L460] EXPR isPumpRunning() [L460] tmp___0 = isPumpRunning() [L462] COND FALSE, RET !(\read(tmp___0)) [L147] RET __utac_acc__Specification5_spec__3() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...