./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_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_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/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 62215579489c65348c20dcb35d4d11bc17ff5b74 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:00:46,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:00:46,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:00:46,968 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:00:46,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:00:46,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:00:46,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:00:46,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:00:46,972 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:00:46,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:00:46,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:00:46,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:00:46,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:00:46,974 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:00:46,975 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:00:46,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:00:46,976 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:00:46,980 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:00:46,982 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:00:46,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:00:46,984 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:00:46,985 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:00:46,987 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:00:46,987 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:00:46,987 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:00:46,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:00:46,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:00:46,990 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:00:46,990 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:00:46,991 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:00:46,991 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:00:46,992 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:00:46,992 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:00:46,992 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:00:46,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:00:46,993 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:00:46,993 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:00:47,005 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:00:47,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:00:47,006 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:00:47,006 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:00:47,007 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:00:47,007 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:00:47,007 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:00:47,007 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:00:47,007 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:00:47,007 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:00:47,007 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:00:47,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:00:47,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:00:47,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:00:47,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:00:47,010 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:00:47,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:00:47,010 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:00:47,010 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:00:47,013 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:00:47,014 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_3a14f598-b658-460f-b4bc-87a40bef0ac9/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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2018-11-18 10:00:47,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:00:47,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:00:47,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:00:47,057 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:00:47,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:00:47,058 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-18 10:00:47,113 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/data/3b82b3f9d/db7b3c220b904d6cbfaf64a0393891d0/FLAGf743f775d [2018-11-18 10:00:47,543 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:00:47,544 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-18 10:00:47,554 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/data/3b82b3f9d/db7b3c220b904d6cbfaf64a0393891d0/FLAGf743f775d [2018-11-18 10:00:47,896 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/data/3b82b3f9d/db7b3c220b904d6cbfaf64a0393891d0 [2018-11-18 10:00:47,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:00:47,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:00:47,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:00:47,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:00:47,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:00:47,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:00:47" (1/1) ... [2018-11-18 10:00:47,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f938bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:47, skipping insertion in model container [2018-11-18 10:00:47,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:00:47" (1/1) ... [2018-11-18 10:00:47,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:00:47,990 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:00:48,349 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:00:48,391 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:00:48,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:00:48,552 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:00:48,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48 WrapperNode [2018-11-18 10:00:48,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:00:48,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:00:48,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:00:48,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:00:48,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:00:48,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:00:48,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:00:48,719 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:00:48,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... [2018-11-18 10:00:48,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:00:48,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:00:48,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:00:48,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:00:48,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/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 10:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:00:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:00:51,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:00:51,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:51 BoogieIcfgContainer [2018-11-18 10:00:51,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:00:51,357 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:00:51,358 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:00:51,363 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:00:51,364 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:00:51,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:00:47" (1/3) ... [2018-11-18 10:00:51,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11f5609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:00:51, skipping insertion in model container [2018-11-18 10:00:51,365 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:00:51,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:48" (2/3) ... [2018-11-18 10:00:51,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11f5609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:00:51, skipping insertion in model container [2018-11-18 10:00:51,368 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:00:51,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:51" (3/3) ... [2018-11-18 10:00:51,371 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-18 10:00:51,415 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:00:51,416 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:00:51,416 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:00:51,416 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:00:51,416 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:00:51,416 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:00:51,416 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:00:51,416 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:00:51,417 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:00:51,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 320 states. [2018-11-18 10:00:51,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2018-11-18 10:00:51,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:00:51,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:00:51,486 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:51,487 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:51,487 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:00:51,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 320 states. [2018-11-18 10:00:51,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2018-11-18 10:00:51,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:00:51,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:00:51,496 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:51,496 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:51,501 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 294#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 196#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; 158#L82true main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 22#L984true assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 240#L961true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 17#L351-3true [2018-11-18 10:00:51,501 INFO L796 eck$LassoCheckResult]: Loop: 17#L351-3true assume true; 13#L351-1true assume !false; 161#L352true assume test_~splverifierCounter~0 < 4; 210#L353true test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 52#L361true assume !(0 != test_~tmp~6); 58#L361-2true test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 296#L371true assume !(0 != test_~tmp___0~2); 303#L371-2true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 186#L381true assume 0 != test_~tmp___2~0; 184#L387-2true assume { :begin_inline_timeShift } true; 217#L105true assume !(0 != ~pumpRunning~0); 209#L105-2true assume !(0 != ~systemActive~0); 308#L112-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 238#L482true __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 227#L518true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 231#L518-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 188#L122true assume { :end_inline_timeShift } true; 17#L351-3true [2018-11-18 10:00:51,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:51,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:00:51,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:51,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:51,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:51,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:00:51,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:51,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:51,714 INFO L82 PathProgramCache]: Analyzing trace with hash 195421875, now seen corresponding path program 1 times [2018-11-18 10:00:51,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:51,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:51,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:51,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:00:51,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:51,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:51,731 INFO L82 PathProgramCache]: Analyzing trace with hash -736259729, now seen corresponding path program 1 times [2018-11-18 10:00:51,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:51,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:51,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:51,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:00:51,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:00:51,905 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 10:00:51,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:00:51,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:00:52,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:00:52,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:00:52,055 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 6 states. [2018-11-18 10:00:52,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:00:52,309 INFO L93 Difference]: Finished difference Result 317 states and 417 transitions. [2018-11-18 10:00:52,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:00:52,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 317 states and 417 transitions. [2018-11-18 10:00:52,316 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206 [2018-11-18 10:00:52,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 317 states to 307 states and 407 transitions. [2018-11-18 10:00:52,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 307 [2018-11-18 10:00:52,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 307 [2018-11-18 10:00:52,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 407 transitions. [2018-11-18 10:00:52,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:00:52,326 INFO L705 BuchiCegarLoop]: Abstraction has 307 states and 407 transitions. [2018-11-18 10:00:52,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 407 transitions. [2018-11-18 10:00:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-11-18 10:00:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-11-18 10:00:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2018-11-18 10:00:52,369 INFO L728 BuchiCegarLoop]: Abstraction has 307 states and 407 transitions. [2018-11-18 10:00:52,369 INFO L608 BuchiCegarLoop]: Abstraction has 307 states and 407 transitions. [2018-11-18 10:00:52,369 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:00:52,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 407 transitions. [2018-11-18 10:00:52,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206 [2018-11-18 10:00:52,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:00:52,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:00:52,372 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:52,372 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:52,373 INFO L794 eck$LassoCheckResult]: Stem: 868#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 673#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 674#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 919#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; 884#L82 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 693#L984 assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 694#L961 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 686#L351-3 [2018-11-18 10:00:52,373 INFO L796 eck$LassoCheckResult]: Loop: 686#L351-3 assume true; 675#L351-1 assume !false; 676#L352 assume test_~splverifierCounter~0 < 4; 886#L353 test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 750#L361 assume !(0 != test_~tmp~6); 752#L361-2 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 757#L371 assume !(0 != test_~tmp___0~2); 956#L371-2 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 912#L381 assume 0 != test_~tmp___2~0; 909#L387-2 assume { :begin_inline_timeShift } true; 910#L105 assume !(0 != ~pumpRunning~0); 833#L105-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 927#L189 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 699#L450 isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; 700#L250 processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; 822#L193 assume 0 != processEnvironment_~tmp~2;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 741#L240 assume { :end_inline_deactivatePump } true; 742#L189-1 assume { :end_inline_processEnvironment } true; 959#L112-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 935#L482 __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 933#L518 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 670#L518-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 913#L122 assume { :end_inline_timeShift } true; 686#L351-3 [2018-11-18 10:00:52,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:52,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:00:52,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:52,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:52,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:00:52,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:52,426 INFO L82 PathProgramCache]: Analyzing trace with hash 502392668, now seen corresponding path program 1 times [2018-11-18 10:00:52,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:52,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:52,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,427 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:00:52,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:00:52,463 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 10:00:52,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:00:52,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:00:52,464 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:00:52,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:00:52,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:00:52,465 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. cyclomatic complexity: 102 Second operand 3 states. [2018-11-18 10:00:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:00:52,807 INFO L93 Difference]: Finished difference Result 316 states and 396 transitions. [2018-11-18 10:00:52,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:00:52,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 396 transitions. [2018-11-18 10:00:52,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218 [2018-11-18 10:00:52,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 396 transitions. [2018-11-18 10:00:52,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 316 [2018-11-18 10:00:52,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 316 [2018-11-18 10:00:52,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 396 transitions. [2018-11-18 10:00:52,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:00:52,815 INFO L705 BuchiCegarLoop]: Abstraction has 316 states and 396 transitions. [2018-11-18 10:00:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 396 transitions. [2018-11-18 10:00:52,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2018-11-18 10:00:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-18 10:00:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 396 transitions. [2018-11-18 10:00:52,825 INFO L728 BuchiCegarLoop]: Abstraction has 316 states and 396 transitions. [2018-11-18 10:00:52,825 INFO L608 BuchiCegarLoop]: Abstraction has 316 states and 396 transitions. [2018-11-18 10:00:52,825 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:00:52,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 396 transitions. [2018-11-18 10:00:52,827 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218 [2018-11-18 10:00:52,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:00:52,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:00:52,828 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:00:52,828 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 10:00:52,828 INFO L794 eck$LassoCheckResult]: Stem: 1453#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1296#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 1297#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1495#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; 1464#L82 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 1314#L984 assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 1315#L961 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1307#L351-3 [2018-11-18 10:00:52,829 INFO L796 eck$LassoCheckResult]: Loop: 1307#L351-3 assume true; 1300#L351-1 assume !false; 1301#L352 assume test_~splverifierCounter~0 < 4; 1466#L353 test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 1357#L361 assume !(0 != test_~tmp~6); 1359#L361-2 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 1366#L371 assume !(0 != test_~tmp___0~2); 1534#L371-2 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 1490#L381 assume 0 != test_~tmp___2~0; 1487#L387-2 assume { :begin_inline_timeShift } true; 1488#L105 assume !(0 != ~pumpRunning~0); 1506#L105-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1507#L189 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1364#L163-2 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; 1365#L137-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1420#L490-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1421#L495-3 isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; 1444#L308-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 1405#L308-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1389#L314-3 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; 1347#L141-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1348#L129-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1474#L137-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1363#L163-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1352#L189-1 assume { :end_inline_processEnvironment } true; 1538#L112-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1521#L482 __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 1516#L518 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 1295#L518-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1491#L122 assume { :end_inline_timeShift } true; 1307#L351-3 [2018-11-18 10:00:52,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:52,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:00:52,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:52,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:52,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:00:52,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:52,892 INFO L82 PathProgramCache]: Analyzing trace with hash -233474136, now seen corresponding path program 1 times [2018-11-18 10:00:52,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:52,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:52,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,895 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:00:52,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:52,915 INFO L82 PathProgramCache]: Analyzing trace with hash 163716716, now seen corresponding path program 1 times [2018-11-18 10:00:52,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:00:52,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:00:52,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:00:52,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:00:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:53,218 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 10:02:12,829 WARN L180 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:02:45,070 WARN L180 SmtUtils]: Spent 32.24 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:02:45,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:02:45 BoogieIcfgContainer [2018-11-18 10:02:45,137 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:02:45,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:02:45,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:02:45,138 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:02:45,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:51" (3/4) ... [2018-11-18 10:02:45,141 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:02:45,187 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a14f598-b658-460f-b4bc-87a40bef0ac9/bin-2019/uautomizer/witness.graphml [2018-11-18 10:02:45,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:02:45,188 INFO L168 Benchmark]: Toolchain (without parser) took 117288.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 955.8 MB in the beginning and 906.1 MB in the end (delta: 49.6 MB). Peak memory consumption was 218.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,189 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:02:45,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.22 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 934.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,190 INFO L168 Benchmark]: Boogie Preprocessor took 60.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,190 INFO L168 Benchmark]: RCFGBuilder took 2577.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,191 INFO L168 Benchmark]: BuchiAutomizer took 113779.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 110.7 MB). Peak memory consumption was 159.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,191 INFO L168 Benchmark]: Witness Printer took 49.87 ms. Allocated memory is still 1.2 GB. Free memory was 913.3 MB in the beginning and 906.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:02:45,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 652.22 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 934.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2577.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 113779.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 110.7 MB). Peak memory consumption was 159.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.87 ms. Allocated memory is still 1.2 GB. Free memory was 913.3 MB in the beginning and 906.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 316 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 113.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 112.9s. Construction of modules took 0.4s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 316 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 705 SDtfs, 1465 SDslu, 131 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 351]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {"On"=17, NULL=0, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6edfe9f1=0, "Pump(System:"=12, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=35, "__utac__get_this_argtype"=40, "Off"=15, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@589e9ade=0, ")"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ac5226=0, tmp___0=0, retValue_acc=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "CRIT"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e1389d9=0, tmp=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "Env(Water:%i"=22, tmp=0, cleanupTimeShifts=4, ",Meth:"=23, tmp=1, tmp___0=0, "Off"=18, "\n"=0, "Env(Water:%i"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=37, \result=1, "i > 0 && i <= this->argsCount"=28, \result=0, "__utac__get_this_arg"=31, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=0, head=0, pumpRunning=0, retValue_acc=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@508cc331=0, "\n"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a624cc8=0, ") "=0, "i > 0 && i <= this->argsCount"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71b6cfbe=160, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38b57aaf=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47431da3=0, "OK"=26, "Off"=0, \result=1, "i > 0 && i <= this->argsCount"=36, "i > 0 && i <= this->argsCount"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b881933=0, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c1f4020=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=160, tmp___0=0, splverifierCounter=0, "libacc.c"=0, "On"=0, "Pump(System:"=0, "On"=14, "i > 0 && i <= this->argsCount"=38, "libacc.c"=29, tmp=0, head=0, tmp=0, ") "=19, ")"=0, ",Meth:"=0, ",Pump:"=0, "Off"=0, "libacc.c"=34, ",Pump:"=16} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 351]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L268] FCALL "Pump(System:" [L272] FCALL "On" [L276] FCALL "Off" [L280] FCALL ",Pump:" [L284] FCALL "On" [L288] FCALL "Off" [L292] FCALL ") " [L294] FCALL "\n" [L459] FCALL "Env(Water:%i" [L460] FCALL ",Meth:" [L464] FCALL "CRIT" [L468] FCALL "OK" [L472] FCALL ")" [L833] FCALL "i > 0 && i <= this->argsCount" [L833] FCALL "libacc.c" [L834] FCALL "__utac__get_this_arg" [L840] FCALL "i > 0 && i <= this->argsCount" [L840] FCALL "libacc.c" [L841] FCALL "__utac__get_this_arg" [L879] FCALL "i > 0 && i <= this->argsCount" [L879] FCALL "libacc.c" [L880] FCALL "__utac__get_this_argtype" [L886] FCALL "i > 0 && i <= this->argsCount" [L886] FCALL "libacc.c" [L887] FCALL "__utac__get_this_argtype" [L97] int pumpRunning = 0; [L98] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L902] int cleanupTimeShifts = 4; [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L975] int retValue_acc ; [L976] int tmp ; [L980] FCALL select_helpers() [L981] FCALL select_features() [L982] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L982] EXPR valid_product() [L982] tmp = valid_product() [L984] COND TRUE \read(tmp) [L986] FCALL setup() [L987] CALL runTest() [L969] CALL test() [L342] int splverifierCounter ; [L343] int tmp ; [L344] int tmp___0 ; [L345] int tmp___1 ; [L346] int tmp___2 ; [L349] splverifierCounter = 0 Loop: [L351] COND TRUE 1 [L353] COND TRUE splverifierCounter < 4 [L359] tmp = __VERIFIER_nondet_int() [L361] COND FALSE !(\read(tmp)) [L369] tmp___0 = __VERIFIER_nondet_int() [L371] COND FALSE !(\read(tmp___0)) [L379] tmp___2 = __VERIFIER_nondet_int() [L381] COND TRUE \read(tmp___2) [L394] CALL timeShift() [L105] COND FALSE !(\read(pumpRunning)) [L112] COND TRUE \read(systemActive) [L114] CALL processEnvironment() [L186] int tmp ; [L189] COND FALSE !(\read(pumpRunning)) [L204] CALL processEnvironment__wrappee__methaneQuery() [L160] int tmp ; [L163] COND FALSE !(\read(pumpRunning)) [L178] CALL processEnvironment__wrappee__highWaterSensor() [L134] int tmp ; [L137] COND TRUE ! pumpRunning [L139] CALL, EXPR isHighWaterLevel() [L300] int retValue_acc ; [L301] int tmp ; [L302] int tmp___0 ; [L306] CALL, EXPR isHighWaterSensorDry() [L487] int retValue_acc ; [L490] COND TRUE waterLevel < 2 [L491] retValue_acc = 1 [L492] RET return (retValue_acc); [L306] EXPR isHighWaterSensorDry() [L306] tmp = isHighWaterSensorDry() [L308] COND TRUE \read(tmp) [L309] tmp___0 = 0 [L313] retValue_acc = tmp___0 [L314] RET return (retValue_acc); [L139] EXPR isHighWaterLevel() [L139] tmp = isHighWaterLevel() [L141] COND FALSE !(\read(tmp)) [L147] RET, FCALL processEnvironment__wrappee__base() [L178] RET processEnvironment__wrappee__highWaterSensor() [L204] RET processEnvironment__wrappee__methaneQuery() [L114] processEnvironment() [L120] CALL __utac_acc__Specification4_spec__1() [L511] int tmp ; [L512] int tmp___0 ; [L516] CALL, EXPR getWaterLevel() [L478] int retValue_acc ; [L481] retValue_acc = waterLevel [L482] RET return (retValue_acc); [L516] EXPR getWaterLevel() [L516] tmp = getWaterLevel() [L518] COND FALSE, RET !(tmp == 0) [L120] RET __utac_acc__Specification4_spec__1() [L394] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...