./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39_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_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/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 e803bbedaeee18bc8aba1072b7c7abad6be5dde7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:44:07,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:44:07,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:44:07,829 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:44:07,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:44:07,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:44:07,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:44:07,832 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:44:07,833 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:44:07,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:44:07,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:44:07,834 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:44:07,835 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:44:07,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:44:07,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:44:07,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:44:07,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:44:07,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:44:07,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:44:07,841 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:44:07,842 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:44:07,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:44:07,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:44:07,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:44:07,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:44:07,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:44:07,847 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:44:07,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:44:07,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:44:07,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:44:07,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:44:07,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:44:07,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:44:07,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:44:07,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:44:07,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:44:07,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:44:07,862 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:44:07,863 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:44:07,864 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:44:07,864 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:44:07,864 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:44:07,864 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:44:07,864 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:44:07,864 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:44:07,865 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:44:07,865 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:44:07,865 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:44:07,865 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:44:07,865 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:44:07,865 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:44:07,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:44:07,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:44:07,867 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:44:07,867 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:44:07,867 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:44:07,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:44:07,867 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:44:07,867 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:44:07,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:44:07,868 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:44:07,868 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:44:07,869 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:44:07,869 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_fbc97694-6994-4df8-a0f7-2fcb26200c64/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 -> e803bbedaeee18bc8aba1072b7c7abad6be5dde7 [2018-11-18 09:44:07,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:44:07,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:44:07,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:44:07,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:44:07,902 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:44:07,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product39_true-unreach-call_false-termination.cil.c [2018-11-18 09:44:07,948 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/data/d252ac811/b1067cda5d9c440dba40d31a11a40a69/FLAG5b9632a2f [2018-11-18 09:44:08,297 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:44:08,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/sv-benchmarks/c/product-lines/minepump_spec5_product39_true-unreach-call_false-termination.cil.c [2018-11-18 09:44:08,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/data/d252ac811/b1067cda5d9c440dba40d31a11a40a69/FLAG5b9632a2f [2018-11-18 09:44:08,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/data/d252ac811/b1067cda5d9c440dba40d31a11a40a69 [2018-11-18 09:44:08,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:44:08,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:44:08,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:44:08,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:44:08,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:44:08,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:44:08" (1/1) ... [2018-11-18 09:44:08,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de6083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:08, skipping insertion in model container [2018-11-18 09:44:08,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:44:08" (1/1) ... [2018-11-18 09:44:08,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:44:08,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:44:08,948 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:44:08,957 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:44:09,060 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:44:09,079 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:44:09,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09 WrapperNode [2018-11-18 09:44:09,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:44:09,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:44:09,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:44:09,080 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:44:09,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:44:09,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:44:09,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:44:09,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:44:09,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... [2018-11-18 09:44:09,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:44:09,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:44:09,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:44:09,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:44:09,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:44:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:44:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:44:09,711 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:44:09,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:44:09 BoogieIcfgContainer [2018-11-18 09:44:09,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:44:09,712 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:44:09,712 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:44:09,714 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:44:09,714 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:44:09,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:44:08" (1/3) ... [2018-11-18 09:44:09,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c3578de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:44:09, skipping insertion in model container [2018-11-18 09:44:09,715 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:44:09,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:09" (2/3) ... [2018-11-18 09:44:09,716 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c3578de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:44:09, skipping insertion in model container [2018-11-18 09:44:09,716 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:44:09,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:44:09" (3/3) ... [2018-11-18 09:44:09,717 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product39_true-unreach-call_false-termination.cil.c [2018-11-18 09:44:09,752 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:44:09,752 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:44:09,752 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:44:09,752 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:44:09,753 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:44:09,753 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:44:09,753 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:44:09,753 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:44:09,753 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:44:09,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states. [2018-11-18 09:44:09,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2018-11-18 09:44:09,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:09,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:09,794 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:09,794 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] [2018-11-18 09:44:09,794 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:44:09,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states. [2018-11-18 09:44:09,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2018-11-18 09:44:09,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:09,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:09,799 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:09,799 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] [2018-11-18 09:44:09,803 INFO L794 eck$LassoCheckResult]: Stem: 118#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 143#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 65#L67true 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; 134#L82true main_#t~ret21 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret21;havoc main_#t~ret21; 144#L382true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 41#L356true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 161#L470true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L406-3true [2018-11-18 09:44:09,804 INFO L796 eck$LassoCheckResult]: Loop: 13#L406-3true assume true; 31#L406-1true assume !false; 131#L407true assume test_~splverifierCounter~0 < 4; 73#L408true test_~tmp~4 := test_#t~nondet22;havoc test_#t~nondet22; 95#L416true assume !(0 != test_~tmp~4); 85#L416-2true test_~tmp___0~1 := test_#t~nondet23;havoc test_#t~nondet23; 165#L426true assume !(0 != test_~tmp___0~1); 145#L426-2true test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 35#L436true assume 0 != test_~tmp___2~0; 4#L442-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret26;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; 112#L220true __utac_acc__Specification5_spec__2_#t~ret26 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret26;havoc __utac_acc__Specification5_spec__2_#t~ret26; 51#L480true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 19#L109true assume !(0 != ~pumpRunning~0); 16#L109-2true assume !(0 != ~systemActive~0); 81#L116-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 22#L954true __utac_acc__Specification5_spec__3_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret27;havoc __utac_acc__Specification5_spec__3_#t~ret27; 50#L491true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 53#L491-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 140#L126true assume { :end_inline_timeShift } true; 13#L406-3true [2018-11-18 09:44:09,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:09,809 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:44:09,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:09,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:09,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:09,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:09,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:09,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:09,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1761888829, now seen corresponding path program 1 times [2018-11-18 09:44:09,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:09,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:09,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:09,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:09,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:09,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:09,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1103330124, now seen corresponding path program 1 times [2018-11-18 09:44:09,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:09,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:09,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:09,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:09,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:44:10,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:44:10,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:44:10,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:44:10,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:44:10,193 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 6 states. [2018-11-18 09:44:10,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:44:10,391 INFO L93 Difference]: Finished difference Result 405 states and 528 transitions. [2018-11-18 09:44:10,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:44:10,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 405 states and 528 transitions. [2018-11-18 09:44:10,400 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 263 [2018-11-18 09:44:10,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 405 states to 375 states and 498 transitions. [2018-11-18 09:44:10,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 375 [2018-11-18 09:44:10,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 375 [2018-11-18 09:44:10,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 375 states and 498 transitions. [2018-11-18 09:44:10,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:44:10,412 INFO L705 BuchiCegarLoop]: Abstraction has 375 states and 498 transitions. [2018-11-18 09:44:10,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states and 498 transitions. [2018-11-18 09:44:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 222. [2018-11-18 09:44:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 09:44:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2018-11-18 09:44:10,446 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 294 transitions. [2018-11-18 09:44:10,447 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 294 transitions. [2018-11-18 09:44:10,447 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:44:10,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 294 transitions. [2018-11-18 09:44:10,449 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 156 [2018-11-18 09:44:10,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:10,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:10,450 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:10,450 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] [2018-11-18 09:44:10,450 INFO L794 eck$LassoCheckResult]: Stem: 737#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 607#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 681#L67 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; 682#L82 main_#t~ret21 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret21;havoc main_#t~ret21; 745#L382 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 655#L356 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 656#L470 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 616#L406-3 [2018-11-18 09:44:10,451 INFO L796 eck$LassoCheckResult]: Loop: 616#L406-3 assume true; 617#L406-1 assume !false; 641#L407 assume test_~splverifierCounter~0 < 4; 689#L408 test_~tmp~4 := test_#t~nondet22;havoc test_#t~nondet22; 690#L416 assume !(0 != test_~tmp~4); 704#L416-2 test_~tmp___0~1 := test_#t~nondet23;havoc test_#t~nondet23; 705#L426 assume !(0 != test_~tmp___0~1); 697#L426-2 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 646#L436 assume 0 != test_~tmp___2~0; 599#L442-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret26;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; 600#L220 __utac_acc__Specification5_spec__2_#t~ret26 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret26;havoc __utac_acc__Specification5_spec__2_#t~ret26; 668#L480 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 622#L109 assume !(0 != ~pumpRunning~0); 614#L109-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 618#L167 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 706#L141-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 677#L133-3 assume { :end_inline_processEnvironment__wrappee__base } true; 678#L141-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 703#L167-1 assume { :end_inline_processEnvironment } true; 700#L116-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 626#L954 __utac_acc__Specification5_spec__3_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret27;havoc __utac_acc__Specification5_spec__3_#t~ret27; 627#L491 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 667#L491-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 671#L126 assume { :end_inline_timeShift } true; 616#L406-3 [2018-11-18 09:44:10,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:44:10,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:10,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:10,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:10,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:10,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:10,495 INFO L82 PathProgramCache]: Analyzing trace with hash -630643352, now seen corresponding path program 1 times [2018-11-18 09:44:10,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:10,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:10,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,496 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:44:10,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:44:10,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:44:10,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:44:10,520 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:44:10,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:44:10,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:44:10,521 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. cyclomatic complexity: 75 Second operand 3 states. [2018-11-18 09:44:10,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:44:10,619 INFO L93 Difference]: Finished difference Result 283 states and 359 transitions. [2018-11-18 09:44:10,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:44:10,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 359 transitions. [2018-11-18 09:44:10,622 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2018-11-18 09:44:10,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 283 states and 359 transitions. [2018-11-18 09:44:10,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2018-11-18 09:44:10,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2018-11-18 09:44:10,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 359 transitions. [2018-11-18 09:44:10,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:44:10,626 INFO L705 BuchiCegarLoop]: Abstraction has 283 states and 359 transitions. [2018-11-18 09:44:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 359 transitions. [2018-11-18 09:44:10,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-11-18 09:44:10,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-18 09:44:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 359 transitions. [2018-11-18 09:44:10,636 INFO L728 BuchiCegarLoop]: Abstraction has 283 states and 359 transitions. [2018-11-18 09:44:10,636 INFO L608 BuchiCegarLoop]: Abstraction has 283 states and 359 transitions. [2018-11-18 09:44:10,636 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:44:10,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 359 transitions. [2018-11-18 09:44:10,638 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2018-11-18 09:44:10,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:10,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:10,639 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:10,639 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:10,639 INFO L794 eck$LassoCheckResult]: Stem: 1259#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 1118#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1195#L67 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; 1196#L82 main_#t~ret21 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret21;havoc main_#t~ret21; 1270#L382 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 1167#L356 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1168#L470 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1281#L406-3 [2018-11-18 09:44:10,640 INFO L796 eck$LassoCheckResult]: Loop: 1281#L406-3 assume true; 1369#L406-1 assume !false; 1368#L407 assume test_~splverifierCounter~0 < 4; 1206#L408 test_~tmp~4 := test_#t~nondet22;havoc test_#t~nondet22; 1207#L416 assume !(0 != test_~tmp~4); 1224#L416-2 test_~tmp___0~1 := test_#t~nondet23;havoc test_#t~nondet23; 1225#L426 assume !(0 != test_~tmp___0~1); 1383#L426-2 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 1381#L436 assume 0 != test_~tmp___2~0; 1380#L442-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret26;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; 1379#L220 __utac_acc__Specification5_spec__2_#t~ret26 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret26;havoc __utac_acc__Specification5_spec__2_#t~ret26; 1378#L480 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1134#L109 assume !(0 != ~pumpRunning~0); 1128#L109-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1129#L167 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1226#L141-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1147#L962-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1148#L967-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1194#L269-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1273#L269-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1255#L275-1 processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; 1256#L145-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1197#L133-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1198#L141-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1223#L167-1 assume { :end_inline_processEnvironment } true; 1219#L116-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1138#L954 __utac_acc__Specification5_spec__3_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret27;havoc __utac_acc__Specification5_spec__3_#t~ret27; 1139#L491 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 1180#L491-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1370#L126 assume { :end_inline_timeShift } true; 1281#L406-3 [2018-11-18 09:44:10,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:10,640 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:44:10,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:10,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:10,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:10,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:10,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:10,679 INFO L82 PathProgramCache]: Analyzing trace with hash -920463680, now seen corresponding path program 1 times [2018-11-18 09:44:10,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:10,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:10,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,680 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:44:10,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:44:10,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:44:10,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:44:10,747 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:44:10,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:44:10,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:44:10,748 INFO L87 Difference]: Start difference. First operand 283 states and 359 transitions. cyclomatic complexity: 79 Second operand 5 states. [2018-11-18 09:44:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:44:10,958 INFO L93 Difference]: Finished difference Result 1175 states and 1481 transitions. [2018-11-18 09:44:10,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:44:10,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1175 states and 1481 transitions. [2018-11-18 09:44:10,966 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 829 [2018-11-18 09:44:10,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1175 states to 1175 states and 1481 transitions. [2018-11-18 09:44:10,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1175 [2018-11-18 09:44:10,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1175 [2018-11-18 09:44:10,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1175 states and 1481 transitions. [2018-11-18 09:44:10,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:44:10,976 INFO L705 BuchiCegarLoop]: Abstraction has 1175 states and 1481 transitions. [2018-11-18 09:44:10,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states and 1481 transitions. [2018-11-18 09:44:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 555. [2018-11-18 09:44:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-11-18 09:44:10,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 695 transitions. [2018-11-18 09:44:10,995 INFO L728 BuchiCegarLoop]: Abstraction has 555 states and 695 transitions. [2018-11-18 09:44:10,995 INFO L608 BuchiCegarLoop]: Abstraction has 555 states and 695 transitions. [2018-11-18 09:44:10,995 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 09:44:10,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 695 transitions. [2018-11-18 09:44:10,998 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2018-11-18 09:44:10,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:10,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:10,999 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:10,999 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:44:10,999 INFO L794 eck$LassoCheckResult]: Stem: 2758#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 2596#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2691#L67 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; 2692#L82 main_#t~ret21 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret21;havoc main_#t~ret21; 2778#L382 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 2656#L356 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2657#L470 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2800#L406-3 [2018-11-18 09:44:10,999 INFO L796 eck$LassoCheckResult]: Loop: 2800#L406-3 assume true; 3079#L406-1 assume !false; 3077#L407 assume test_~splverifierCounter~0 < 4; 3076#L408 test_~tmp~4 := test_#t~nondet22;havoc test_#t~nondet22; 3074#L416 assume !(0 != test_~tmp~4); 3072#L416-2 test_~tmp___0~1 := test_#t~nondet23;havoc test_#t~nondet23; 3070#L426 assume !(0 != test_~tmp___0~1); 3068#L426-2 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 3067#L436 assume 0 != test_~tmp___2~0; 3066#L442-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret26;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; 3094#L220 __utac_acc__Specification5_spec__2_#t~ret26 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret26;havoc __utac_acc__Specification5_spec__2_#t~ret26; 3093#L480 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3092#L109 assume !(0 != ~pumpRunning~0); 2607#L109-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 2608#L167 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 2893#L141-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 2890#L962-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 2631#L967-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 2888#L269-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 2887#L269-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 2885#L275-1 processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; 2882#L145-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2883#L133-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3102#L141-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3088#L167-1 assume { :end_inline_processEnvironment } true; 3087#L116-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret27, __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 3086#L954 __utac_acc__Specification5_spec__3_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret27;havoc __utac_acc__Specification5_spec__3_#t~ret27; 3085#L491 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5;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; 3084#L220-1 __utac_acc__Specification5_spec__3_#t~ret28 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret28;havoc __utac_acc__Specification5_spec__3_#t~ret28; 3082#L495 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 3081#L491-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3080#L126 assume { :end_inline_timeShift } true; 2800#L406-3 [2018-11-18 09:44:10,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:11,000 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 09:44:11,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:11,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:11,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:11,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:11,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:11,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:11,041 INFO L82 PathProgramCache]: Analyzing trace with hash 178570171, now seen corresponding path program 1 times [2018-11-18 09:44:11,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:11,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:11,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:11,042 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:44:11,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:11,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:11,053 INFO L82 PathProgramCache]: Analyzing trace with hash 775127716, now seen corresponding path program 1 times [2018-11-18 09:44:11,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:11,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:11,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:11,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:11,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:11,207 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-18 09:44:38,458 WARN L180 SmtUtils]: Spent 27.18 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:44:48,317 WARN L180 SmtUtils]: Spent 9.86 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:44:48,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:44:48 BoogieIcfgContainer [2018-11-18 09:44:48,380 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:44:48,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:44:48,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:44:48,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:44:48,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:44:09" (3/4) ... [2018-11-18 09:44:48,382 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:44:48,423 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbc97694-6994-4df8-a0f7-2fcb26200c64/bin-2019/uautomizer/witness.graphml [2018-11-18 09:44:48,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:44:48,424 INFO L168 Benchmark]: Toolchain (without parser) took 39717.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.3 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:44:48,424 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:44:48,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:44:48,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.88 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 09:44:48,425 INFO L168 Benchmark]: Boogie Preprocessor took 22.89 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 09:44:48,425 INFO L168 Benchmark]: RCFGBuilder took 571.89 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: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:44:48,425 INFO L168 Benchmark]: BuchiAutomizer took 38668.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.8 MB). Peak memory consumption was 308.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:44:48,425 INFO L168 Benchmark]: Witness Printer took 43.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:44:48,426 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.88 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 22.89 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. * RCFGBuilder took 571.89 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: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38668.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.8 MB). Peak memory consumption was 308.5 MB. Max. memory is 11.5 GB. * Witness Printer took 43.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 555 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 37.9s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 773 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 555 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 810 SDtfs, 1931 SDslu, 2123 SDs, 0 SdLazy, 210 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 406]: 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, ",Pump:"=29, "i > 0 && i <= this->argsCount"=18, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, "Env(Water:%i"=0, tmp=0, tmp=1, "CRIT"=0, ",Meth:"=0, tmp___1=0, tmp=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=12, \result=0, ") "=36, NULL=0, systemActive=1, waterLevel=1, "CRIT"=15, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2539e6d8=0, "__utac__get_this_argtype"=33, "__utac__get_this_arg"=0, \result=0, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=23, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, tmp___0=0, "__utac__get_this_arg"=31, "libacc.c"=8, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@474b0962=0, "__utac__get_this_arg"=38, tmp=1, "\n"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2923287d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a1d3032=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ef0b933=0, "libacc.c"=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ae3981b=0, \result=1, "libacc.c"=22, ",Meth:"=35, "__utac__get_this_argtype"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50cfced8=0, "OK"=0, ")"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465d504d=0, "Pump(System:"=17, retValue_acc=1, tmp___2=161, retValue_acc=1, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, "On"=0, "Pump(System:"=0, ")"=27, "Off"=28, "i > 0 && i <= this->argsCount"=14, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79fa91f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50cd3855=0, "\n"=11, "On"=0, ",Pump:"=0, "On"=34, "libacc.c"=0, "Env(Water:%i"=37, "libacc.c"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d0de430=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 406]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L229] FCALL "Pump(System:" [L233] FCALL "On" [L237] FCALL "Off" [L241] FCALL ",Pump:" [L245] FCALL "On" [L249] FCALL "Off" [L253] FCALL ") " [L255] FCALL "\n" [L810] FCALL "i > 0 && i <= this->argsCount" [L810] FCALL "libacc.c" [L811] FCALL "__utac__get_this_arg" [L817] FCALL "i > 0 && i <= this->argsCount" [L817] FCALL "libacc.c" [L818] FCALL "__utac__get_this_arg" [L856] FCALL "i > 0 && i <= this->argsCount" [L856] FCALL "libacc.c" [L857] FCALL "__utac__get_this_argtype" [L863] FCALL "i > 0 && i <= this->argsCount" [L863] FCALL "libacc.c" [L864] FCALL "__utac__get_this_argtype" [L931] FCALL "Env(Water:%i" [L932] FCALL ",Meth:" [L936] FCALL "CRIT" [L940] FCALL "OK" [L944] FCALL ")" [L97] int pumpRunning = 0; [L98] int systemActive = 1; [L295] int cleanupTimeShifts = 4; [L464] int switchedOnBeforeTS ; [L879] int waterLevel = 1; [L880] int methaneLevelCritical = 0; [L682] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L373] int retValue_acc ; [L374] int tmp ; [L378] FCALL select_helpers() [L379] FCALL select_features() [L380] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L380] EXPR valid_product() [L380] tmp = valid_product() [L382] COND TRUE \read(tmp) [L384] FCALL setup() [L385] CALL runTest() [L366] CALL __utac_acc__Specification5_spec__1() [L469] RET switchedOnBeforeTS = 0 [L366] __utac_acc__Specification5_spec__1() [L367] CALL test() [L397] int splverifierCounter ; [L398] int tmp ; [L399] int tmp___0 ; [L400] int tmp___1 ; [L401] int tmp___2 ; [L404] splverifierCounter = 0 Loop: [L406] COND TRUE 1 [L408] COND TRUE splverifierCounter < 4 [L414] tmp = __VERIFIER_nondet_int() [L416] COND FALSE !(\read(tmp)) [L424] tmp___0 = __VERIFIER_nondet_int() [L426] COND FALSE !(\read(tmp___0)) [L434] tmp___2 = __VERIFIER_nondet_int() [L436] COND TRUE \read(tmp___2) [L451] CALL timeShift() [L107] CALL __utac_acc__Specification5_spec__2() [L478] CALL, EXPR isPumpRunning() [L216] int retValue_acc ; [L219] retValue_acc = pumpRunning [L220] RET return (retValue_acc); [L478] EXPR isPumpRunning() [L478] RET switchedOnBeforeTS = isPumpRunning() [L107] __utac_acc__Specification5_spec__2() [L109] COND FALSE !(\read(pumpRunning)) [L116] COND TRUE \read(systemActive) [L118] CALL processEnvironment() [L164] int tmp ; [L167] COND FALSE !(\read(pumpRunning)) [L182] CALL processEnvironment__wrappee__highWaterSensor() [L138] int tmp ; [L141] COND TRUE ! pumpRunning [L143] CALL, EXPR isHighWaterLevel() [L261] int retValue_acc ; [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR isHighWaterSensorDry() [L959] int retValue_acc ; [L962] COND TRUE waterLevel < 2 [L963] retValue_acc = 1 [L964] RET return (retValue_acc); [L267] EXPR isHighWaterSensorDry() [L267] tmp = isHighWaterSensorDry() [L269] COND TRUE \read(tmp) [L270] tmp___0 = 0 [L274] retValue_acc = tmp___0 [L275] RET return (retValue_acc); [L143] EXPR isHighWaterLevel() [L143] tmp = isHighWaterLevel() [L145] COND FALSE !(\read(tmp)) [L151] RET, FCALL processEnvironment__wrappee__base() [L182] RET processEnvironment__wrappee__highWaterSensor() [L118] processEnvironment() [L124] CALL __utac_acc__Specification5_spec__3() [L484] int tmp ; [L485] int tmp___0 ; [L489] CALL, EXPR getWaterLevel() [L950] int retValue_acc ; [L953] retValue_acc = waterLevel [L954] RET return (retValue_acc); [L489] EXPR getWaterLevel() [L489] tmp = getWaterLevel() [L491] COND TRUE tmp != 2 [L493] CALL, EXPR isPumpRunning() [L216] int retValue_acc ; [L219] retValue_acc = pumpRunning [L220] RET return (retValue_acc); [L493] EXPR isPumpRunning() [L493] tmp___0 = isPumpRunning() [L495] COND FALSE, RET !(\read(tmp___0)) [L124] RET __utac_acc__Specification5_spec__3() [L451] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...