./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product22_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_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/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 9f020a8b33a45c119887964f9008d96e4dba4f1a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:57:08,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:57:08,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:57:08,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:57:08,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:57:08,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:57:08,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:57:08,818 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:57:08,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:57:08,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:57:08,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:57:08,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:57:08,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:57:08,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:57:08,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:57:08,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:57:08,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:57:08,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:57:08,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:57:08,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:57:08,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:57:08,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:57:08,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:57:08,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:57:08,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:57:08,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:57:08,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:57:08,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:57:08,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:57:08,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:57:08,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:57:08,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:57:08,835 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:57:08,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:57:08,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:57:08,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:57:08,836 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:57:08,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:57:08,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:57:08,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:57:08,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:57:08,848 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:57:08,848 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:57:08,848 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:57:08,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:57:08,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:57:08,850 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:57:08,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:57:08,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:57:08,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:57:08,851 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:57:08,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:57:08,851 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:57:08,851 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:57:08,852 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:57:08,852 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_532be893-d9ef-47de-a5c7-c092303845d6/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 -> 9f020a8b33a45c119887964f9008d96e4dba4f1a [2018-11-18 15:57:08,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:57:08,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:57:08,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:57:08,885 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:57:08,885 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:57:08,886 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:08,922 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/data/700ff89ed/8c7c84381d6447259f4f1b1c0aeb07db/FLAG88dd6fb93 [2018-11-18 15:57:09,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:57:09,297 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:09,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/data/700ff89ed/8c7c84381d6447259f4f1b1c0aeb07db/FLAG88dd6fb93 [2018-11-18 15:57:09,682 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/data/700ff89ed/8c7c84381d6447259f4f1b1c0aeb07db [2018-11-18 15:57:09,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:57:09,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:57:09,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:09,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:57:09,688 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:57:09,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:09, skipping insertion in model container [2018-11-18 15:57:09,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:09" (1/1) ... [2018-11-18 15:57:09,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:57:09,728 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:57:09,915 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:09,924 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:57:10,037 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:10,058 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:57:10,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10 WrapperNode [2018-11-18 15:57:10,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:10,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:10,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:57:10,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:57:10,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:10,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:57:10,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:57:10,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:57:10,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... [2018-11-18 15:57:10,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:57:10,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:57:10,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:57:10,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:57:10,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/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 15:57:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:57:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:57:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:57:10,731 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:57:10,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:10 BoogieIcfgContainer [2018-11-18 15:57:10,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:57:10,732 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:57:10,732 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:57:10,735 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:57:10,735 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:57:10,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:57:09" (1/3) ... [2018-11-18 15:57:10,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444f09d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:57:10, skipping insertion in model container [2018-11-18 15:57:10,737 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:57:10,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:10" (2/3) ... [2018-11-18 15:57:10,737 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444f09d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:57:10, skipping insertion in model container [2018-11-18 15:57:10,737 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:57:10,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:10" (3/3) ... [2018-11-18 15:57:10,739 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product22_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:10,781 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:57:10,781 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:57:10,781 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:57:10,781 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:57:10,781 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:57:10,781 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:57:10,781 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:57:10,782 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:57:10,782 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:57:10,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 15:57:10,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 15:57:10,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:10,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:10,818 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:10,818 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 15:57:10,818 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:57:10,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 15:57:10,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 15:57:10,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:10,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:10,823 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:10,823 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 15:57:10,827 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 15#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 9#L73true main_#t~ret28 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret28;havoc main_#t~ret28; 21#L483true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 147#L459true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 65#L287true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 157#L343-3true [2018-11-18 15:57:10,827 INFO L796 eck$LassoCheckResult]: Loop: 157#L343-3true assume true; 6#L343-1true assume !false; 95#L344true assume test_~splverifierCounter~0 < 4; 46#L345true test_~tmp~4 := test_#t~nondet24;havoc test_#t~nondet24; 60#L353true assume !(0 != test_~tmp~4); 63#L353-2true test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 122#L363true assume !(0 != test_~tmp___0~2); 105#L363-2true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 29#L373true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 101#L275true assume { :end_inline_startSystem } true; 43#L381-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 150#L211true __utac_acc__Specification5_spec__2_#t~ret21 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21;havoc __utac_acc__Specification5_spec__2_#t~ret21; 102#L297true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 58#L100true assume !(0 != ~pumpRunning~0); 54#L100-2true assume !(0 != ~systemActive~0); 126#L107-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22, __utac_acc__Specification5_spec__3_#t~ret23, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 153#L938true __utac_acc__Specification5_spec__3_#t~ret22 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret22;havoc __utac_acc__Specification5_spec__3_#t~ret22; 104#L308true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 108#L308-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 36#L117true assume { :end_inline_timeShift } true; 157#L343-3true [2018-11-18 15:57:10,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:10,833 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:57:10,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:10,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:10,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:10,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:10,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:10,983 INFO L82 PathProgramCache]: Analyzing trace with hash 850529435, now seen corresponding path program 1 times [2018-11-18 15:57:10,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:10,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:10,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:10,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:11,019 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 15:57:11,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:11,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:57:11,023 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 15:57:11,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:57:11,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:57:11,034 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 3 states. [2018-11-18 15:57:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:11,077 INFO L93 Difference]: Finished difference Result 160 states and 204 transitions. [2018-11-18 15:57:11,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:57:11,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 204 transitions. [2018-11-18 15:57:11,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 15:57:11,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 150 states and 193 transitions. [2018-11-18 15:57:11,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2018-11-18 15:57:11,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2018-11-18 15:57:11,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 193 transitions. [2018-11-18 15:57:11,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:57:11,090 INFO L705 BuchiCegarLoop]: Abstraction has 150 states and 193 transitions. [2018-11-18 15:57:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 193 transitions. [2018-11-18 15:57:11,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 15:57:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 15:57:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 193 transitions. [2018-11-18 15:57:11,120 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 193 transitions. [2018-11-18 15:57:11,120 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 193 transitions. [2018-11-18 15:57:11,120 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:57:11,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 193 transitions. [2018-11-18 15:57:11,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 15:57:11,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:11,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:11,123 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:11,123 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 15:57:11,123 INFO L794 eck$LassoCheckResult]: Stem: 465#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 348#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 355#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 344#L73 main_#t~ret28 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret28;havoc main_#t~ret28; 345#L483 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 367#L459 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 438#L287 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 399#L343-3 [2018-11-18 15:57:11,123 INFO L796 eck$LassoCheckResult]: Loop: 399#L343-3 assume true; 339#L343-1 assume !false; 340#L344 assume test_~splverifierCounter~0 < 4; 413#L345 test_~tmp~4 := test_#t~nondet24;havoc test_#t~nondet24; 414#L353 assume !(0 != test_~tmp~4); 434#L353-2 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 437#L363 assume !(0 != test_~tmp___0~2); 408#L363-2 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 382#L373 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet27;havoc test_#t~nondet27; 384#L381 assume 0 != test_~tmp___1~0; 402#L381-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 409#L211 __utac_acc__Specification5_spec__2_#t~ret21 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21;havoc __utac_acc__Specification5_spec__2_#t~ret21; 462#L297 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 429#L100 assume !(0 != ~pumpRunning~0); 427#L100-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 385#L158 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret1, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 386#L132-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 456#L124-3 assume { :end_inline_processEnvironment__wrappee__base } true; 439#L132-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 374#L158-1 assume { :end_inline_processEnvironment } true; 375#L107-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22, __utac_acc__Specification5_spec__3_#t~ret23, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 473#L938 __utac_acc__Specification5_spec__3_#t~ret22 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret22;havoc __utac_acc__Specification5_spec__3_#t~ret22; 463#L308 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 418#L308-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 398#L117 assume { :end_inline_timeShift } true; 399#L343-3 [2018-11-18 15:57:11,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,124 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:57:11,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:11,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:11,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,176 INFO L82 PathProgramCache]: Analyzing trace with hash 20349179, now seen corresponding path program 1 times [2018-11-18 15:57:11,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:11,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:11,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,177 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:57:11,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1289799218, now seen corresponding path program 1 times [2018-11-18 15:57:11,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:11,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:11,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:11,282 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 15:57:11,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:11,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:57:11,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:57:11,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:57:11,358 INFO L87 Difference]: Start difference. First operand 150 states and 193 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 15:57:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:11,523 INFO L93 Difference]: Finished difference Result 469 states and 602 transitions. [2018-11-18 15:57:11,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:57:11,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 602 transitions. [2018-11-18 15:57:11,530 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 196 [2018-11-18 15:57:11,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 602 transitions. [2018-11-18 15:57:11,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2018-11-18 15:57:11,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2018-11-18 15:57:11,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 602 transitions. [2018-11-18 15:57:11,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:57:11,538 INFO L705 BuchiCegarLoop]: Abstraction has 469 states and 602 transitions. [2018-11-18 15:57:11,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 602 transitions. [2018-11-18 15:57:11,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 288. [2018-11-18 15:57:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-11-18 15:57:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 367 transitions. [2018-11-18 15:57:11,552 INFO L728 BuchiCegarLoop]: Abstraction has 288 states and 367 transitions. [2018-11-18 15:57:11,552 INFO L608 BuchiCegarLoop]: Abstraction has 288 states and 367 transitions. [2018-11-18 15:57:11,554 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:57:11,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 367 transitions. [2018-11-18 15:57:11,556 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 196 [2018-11-18 15:57:11,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:11,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:11,557 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:11,557 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:11,557 INFO L794 eck$LassoCheckResult]: Stem: 1107#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 982#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 983#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 990#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 979#L73 main_#t~ret28 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret28;havoc main_#t~ret28; 980#L483 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1002#L459 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1074#L287 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1034#L343-3 [2018-11-18 15:57:11,557 INFO L796 eck$LassoCheckResult]: Loop: 1034#L343-3 assume true; 974#L343-1 assume !false; 975#L344 assume test_~splverifierCounter~0 < 4; 1048#L345 test_~tmp~4 := test_#t~nondet24;havoc test_#t~nondet24; 1049#L353 assume !(0 != test_~tmp~4); 1070#L353-2 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 1073#L363 assume !(0 != test_~tmp___0~2); 1106#L363-2 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 1015#L373 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1016#L275 assume { :end_inline_startSystem } true; 1037#L381-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 1044#L211 __utac_acc__Specification5_spec__2_#t~ret21 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21;havoc __utac_acc__Specification5_spec__2_#t~ret21; 1103#L297 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1065#L100 assume !(0 != ~pumpRunning~0); 1063#L100-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1018#L158 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret1, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 1019#L132-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1115#L124-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1112#L132-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1113#L158-1 assume { :end_inline_processEnvironment } true; 1152#L107-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22, __utac_acc__Specification5_spec__3_#t~ret23, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 1136#L938 __utac_acc__Specification5_spec__3_#t~ret22 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret22;havoc __utac_acc__Specification5_spec__3_#t~ret22; 1104#L308 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 1105#L211-1 __utac_acc__Specification5_spec__3_#t~ret23 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret23;havoc __utac_acc__Specification5_spec__3_#t~ret23; 1150#L312 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 1148#L308-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1033#L117 assume { :end_inline_timeShift } true; 1034#L343-3 [2018-11-18 15:57:11,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,558 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 15:57:11,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:11,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2129909559, now seen corresponding path program 1 times [2018-11-18 15:57:11,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:11,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:11,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,599 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:57:11,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:11,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1994282322, now seen corresponding path program 1 times [2018-11-18 15:57:11,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:11,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:11,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:11,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:45,807 WARN L180 SmtUtils]: Spent 34.05 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:58:06,997 WARN L180 SmtUtils]: Spent 21.19 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:58:07,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:58:07 BoogieIcfgContainer [2018-11-18 15:58:07,067 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:58:07,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:58:07,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:58:07,067 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:58:07,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:10" (3/4) ... [2018-11-18 15:58:07,070 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:58:07,114 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_532be893-d9ef-47de-a5c7-c092303845d6/bin-2019/uautomizer/witness.graphml [2018-11-18 15:58:07,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:58:07,115 INFO L168 Benchmark]: Toolchain (without parser) took 57429.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.6 MB in the beginning and 922.7 MB in the end (delta: 33.9 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,115 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:58:07,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,116 INFO L168 Benchmark]: Boogie Preprocessor took 33.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,116 INFO L168 Benchmark]: RCFGBuilder took 588.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,116 INFO L168 Benchmark]: BuchiAutomizer took 56334.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.0 GB in the beginning and 927.4 MB in the end (delta: 114.8 MB). Peak memory consumption was 192.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,117 INFO L168 Benchmark]: Witness Printer took 46.91 ms. Allocated memory is still 1.2 GB. Free memory was 927.4 MB in the beginning and 922.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:07,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 588.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56334.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.9 MB). Free memory was 1.0 GB in the beginning and 927.4 MB in the end (delta: 114.8 MB). Peak memory consumption was 192.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.91 ms. Allocated memory is still 1.2 GB. Free memory was 927.4 MB in the beginning and 922.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 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 288 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 55.9s. 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, 181 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 288 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 533 SDtfs, 933 SDslu, 642 SDs, 0 SdLazy, 100 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: 343]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {"Off"=39, NULL=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "OK"=24, retValue_acc=0, "On"=26, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=0, ",Pump:"=29, "i > 0 && i <= this->argsCount"=18, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47ebd99f=0, tmp=1, "Env(Water:%i"=0, tmp=0, "CRIT"=0, ",Meth:"=0, tmp___1=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=12, \result=0, ") "=36, NULL=0, systemActive=1, waterLevel=1, "CRIT"=15, \result=1, "__utac__get_this_argtype"=33, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62abfb10=0, "libacc.c"=23, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f4742b0=0, head=0, pumpRunning=0, "__utac__get_this_arg"=31, "libacc.c"=8, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7646baa5=0, tmp___0=0, "__utac__get_this_arg"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45747726=0, "\n"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32597d01=158, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@593a7091=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d94eae3=0, "libacc.c"=0, tmp=1, ") "=0, "libacc.c"=22, ",Meth:"=35, "__utac__get_this_argtype"=19, "OK"=0, ")"=0, "Pump(System:"=17, retValue_acc=1, tmp___2=158, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, "On"=0, "Pump(System:"=0, ")"=27, "Off"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e6993de=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be361f7=0, "i > 0 && i <= this->argsCount"=14, tmp=0, head=0, "\n"=11, "On"=0, ",Pump:"=0, "On"=34, "libacc.c"=0, "Env(Water:%i"=37, "libacc.c"=16, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 343]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L220] FCALL "Pump(System:" [L224] FCALL "On" [L228] FCALL "Off" [L232] FCALL ",Pump:" [L236] FCALL "On" [L240] FCALL "Off" [L244] FCALL ") " [L246] FCALL "\n" [L794] FCALL "i > 0 && i <= this->argsCount" [L794] FCALL "libacc.c" [L795] FCALL "__utac__get_this_arg" [L801] FCALL "i > 0 && i <= this->argsCount" [L801] FCALL "libacc.c" [L802] FCALL "__utac__get_this_arg" [L840] FCALL "i > 0 && i <= this->argsCount" [L840] FCALL "libacc.c" [L841] FCALL "__utac__get_this_argtype" [L847] FCALL "i > 0 && i <= this->argsCount" [L847] FCALL "libacc.c" [L848] FCALL "__utac__get_this_argtype" [L915] FCALL "Env(Water:%i" [L916] FCALL ",Meth:" [L920] FCALL "CRIT" [L924] FCALL "OK" [L928] FCALL ")" [L88] int pumpRunning = 0; [L89] int systemActive = 1; [L281] int switchedOnBeforeTS ; [L400] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; [L666] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L474] int retValue_acc ; [L475] int tmp ; [L479] FCALL select_helpers() [L480] FCALL select_features() [L481] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L481] EXPR valid_product() [L481] tmp = valid_product() [L483] COND TRUE \read(tmp) [L485] FCALL setup() [L486] CALL runTest() [L467] CALL __utac_acc__Specification5_spec__1() [L286] RET switchedOnBeforeTS = 0 [L467] __utac_acc__Specification5_spec__1() [L468] CALL test() [L334] int splverifierCounter ; [L335] int tmp ; [L336] int tmp___0 ; [L337] int tmp___1 ; [L338] int tmp___2 ; [L341] splverifierCounter = 0 Loop: [L343] COND TRUE 1 [L345] COND TRUE splverifierCounter < 4 [L351] tmp = __VERIFIER_nondet_int() [L353] COND FALSE !(\read(tmp)) [L361] tmp___0 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___0)) [L371] tmp___2 = __VERIFIER_nondet_int() [L373] COND TRUE \read(tmp___2) [L375] CALL startSystem() [L274] RET systemActive = 1 [L375] startSystem() [L388] CALL timeShift() [L98] CALL __utac_acc__Specification5_spec__2() [L295] CALL, EXPR isPumpRunning() [L207] int retValue_acc ; [L210] retValue_acc = pumpRunning [L211] RET return (retValue_acc); [L295] EXPR isPumpRunning() [L295] RET switchedOnBeforeTS = isPumpRunning() [L98] __utac_acc__Specification5_spec__2() [L100] COND FALSE !(\read(pumpRunning)) [L107] COND TRUE \read(systemActive) [L109] CALL processEnvironment() [L155] int tmp ; [L158] COND FALSE !(\read(pumpRunning)) [L173] CALL processEnvironment__wrappee__lowWaterSensor() [L129] int tmp ; [L132] COND FALSE !(\read(pumpRunning)) [L147] RET, FCALL processEnvironment__wrappee__base() [L173] RET processEnvironment__wrappee__lowWaterSensor() [L109] processEnvironment() [L115] CALL __utac_acc__Specification5_spec__3() [L301] int tmp ; [L302] int tmp___0 ; [L306] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] RET return (retValue_acc); [L306] EXPR getWaterLevel() [L306] tmp = getWaterLevel() [L308] COND TRUE tmp != 2 [L310] CALL, EXPR isPumpRunning() [L207] int retValue_acc ; [L210] retValue_acc = pumpRunning [L211] RET return (retValue_acc); [L310] EXPR isPumpRunning() [L310] tmp___0 = isPumpRunning() [L312] COND FALSE, RET !(\read(tmp___0)) [L115] RET __utac_acc__Specification5_spec__3() [L388] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...