./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:27:44,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:27:44,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:27:44,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:27:44,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:27:44,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:27:44,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:27:44,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:27:44,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:27:44,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:27:44,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:27:44,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:27:44,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:27:44,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:27:44,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:27:44,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:27:44,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:27:44,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:27:44,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:27:44,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:27:44,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:27:44,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:27:44,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:27:44,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:27:44,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:27:44,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:27:44,092 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:27:44,093 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:27:44,093 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:27:44,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:27:44,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:27:44,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:27:44,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:27:44,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:27:44,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:27:44,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:27:44,098 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:27:44,112 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:27:44,112 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:27:44,113 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:27:44,113 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:27:44,113 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:27:44,114 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:27:44,114 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:27:44,114 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:27:44,115 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:27:44,115 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:27:44,115 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:27:44,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:27:44,116 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:27:44,116 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:27:44,116 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:27:44,116 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:27:44,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:27:44,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:27:44,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:27:44,117 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:27:44,117 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:27:44,117 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:27:44,118 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:27:44,118 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:27:44,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:27:44,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:27:44,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:27:44,120 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:27:44,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:27:44,121 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:27:44,121 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:27:44,122 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:27:44,122 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_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2018-11-18 12:27:44,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:27:44,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:27:44,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:27:44,166 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:27:44,167 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:27:44,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-11-18 12:27:44,214 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/data/e72987e26/4c49463abb2340ac8a4059069dd78001/FLAGd2a239965 [2018-11-18 12:27:44,630 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:27:44,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-11-18 12:27:44,641 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/data/e72987e26/4c49463abb2340ac8a4059069dd78001/FLAGd2a239965 [2018-11-18 12:27:44,994 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/data/e72987e26/4c49463abb2340ac8a4059069dd78001 [2018-11-18 12:27:44,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:27:44,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:27:44,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:27:44,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:27:45,002 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:27:45,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:27:44" (1/1) ... [2018-11-18 12:27:45,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5587dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45, skipping insertion in model container [2018-11-18 12:27:45,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:27:44" (1/1) ... [2018-11-18 12:27:45,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:27:45,047 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:27:45,261 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:27:45,272 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:27:45,387 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:27:45,404 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:27:45,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45 WrapperNode [2018-11-18 12:27:45,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:27:45,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:27:45,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:27:45,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:27:45,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:27:45,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:27:45,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:27:45,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:27:45,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... [2018-11-18 12:27:45,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:27:45,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:27:45,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:27:45,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:27:45,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/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 12:27:45,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:27:45,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:27:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:27:46,036 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:27:46,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:27:46 BoogieIcfgContainer [2018-11-18 12:27:46,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:27:46,037 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:27:46,037 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:27:46,039 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:27:46,039 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:27:46,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:27:44" (1/3) ... [2018-11-18 12:27:46,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77822570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:27:46, skipping insertion in model container [2018-11-18 12:27:46,040 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:27:46,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:45" (2/3) ... [2018-11-18 12:27:46,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77822570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:27:46, skipping insertion in model container [2018-11-18 12:27:46,040 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:27:46,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:27:46" (3/3) ... [2018-11-18 12:27:46,042 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-11-18 12:27:46,073 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:27:46,074 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:27:46,074 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:27:46,074 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:27:46,074 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:27:46,074 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:27:46,074 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:27:46,074 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:27:46,074 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:27:46,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 12:27:46,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 12:27:46,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:46,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:46,107 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:46,107 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 12:27:46,108 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:27:46,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 12:27:46,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 12:27:46,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:46,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:46,112 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:46,112 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 12:27:46,115 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 15#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 11#L73true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 14#L266true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 38#L240true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 29#L882true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L455-3true [2018-11-18 12:27:46,116 INFO L796 eck$LassoCheckResult]: Loop: 33#L455-3true assume true; 36#L455-1true assume !false; 108#L456true assume test_~splverifierCounter~0 < 4; 59#L457true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 77#L465true assume !(0 != test_~tmp~3); 78#L465-2true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 17#L475true assume !(0 != test_~tmp___0~1); 3#L475-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 47#L485true assume 0 != test_~tmp___2~0; 26#L491-2true assume { :begin_inline_timeShift } true; 76#L300true assume !(0 != ~pumpRunning~0); 73#L300-2true assume !(0 != ~systemActive~0); 16#L307-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 27#L128true __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 28#L893true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 30#L893-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 44#L317true assume { :end_inline_timeShift } true; 33#L455-3true [2018-11-18 12:27:46,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,121 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 12:27:46,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:46,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1234946629, now seen corresponding path program 1 times [2018-11-18 12:27:46,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:46,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1970888206, now seen corresponding path program 1 times [2018-11-18 12:27:46,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:46,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:27:46,460 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 12:27:46,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:27:46,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:27:46,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:27:46,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:27:46,549 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 6 states. [2018-11-18 12:27:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:27:46,672 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2018-11-18 12:27:46,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:27:46,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2018-11-18 12:27:46,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 12:27:46,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 98 states and 129 transitions. [2018-11-18 12:27:46,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2018-11-18 12:27:46,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2018-11-18 12:27:46,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 129 transitions. [2018-11-18 12:27:46,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:27:46,687 INFO L705 BuchiCegarLoop]: Abstraction has 98 states and 129 transitions. [2018-11-18 12:27:46,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 129 transitions. [2018-11-18 12:27:46,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-18 12:27:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 12:27:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 129 transitions. [2018-11-18 12:27:46,715 INFO L728 BuchiCegarLoop]: Abstraction has 98 states and 129 transitions. [2018-11-18 12:27:46,716 INFO L608 BuchiCegarLoop]: Abstraction has 98 states and 129 transitions. [2018-11-18 12:27:46,716 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:27:46,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 129 transitions. [2018-11-18 12:27:46,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 12:27:46,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:46,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:46,719 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:46,719 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:46,719 INFO L794 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 252#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 253#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 255#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 247#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 248#L266 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 254#L240 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 276#L882 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 277#L455-3 [2018-11-18 12:27:46,720 INFO L796 eck$LassoCheckResult]: Loop: 277#L455-3 assume true; 282#L455-1 assume !false; 285#L456 assume test_~splverifierCounter~0 < 4; 308#L457 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 309#L465 assume !(0 != test_~tmp~3); 264#L465-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 257#L475 assume !(0 != test_~tmp___0~1); 237#L475-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 238#L485 assume 0 != test_~tmp___2~0; 271#L491-2 assume { :begin_inline_timeShift } true; 272#L300 assume !(0 != ~pumpRunning~0); 315#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 241#L332 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 242#L324-1 assume { :end_inline_processEnvironment__wrappee__base } true; 244#L332-1 assume { :end_inline_processEnvironment } true; 245#L307-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 256#L128 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 273#L893 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 275#L893-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 278#L317 assume { :end_inline_timeShift } true; 277#L455-3 [2018-11-18 12:27:46,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,720 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 12:27:46,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:46,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1598821371, now seen corresponding path program 1 times [2018-11-18 12:27:46,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,768 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:27:46,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:27:46,791 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 12:27:46,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:27:46,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:27:46,792 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:27:46,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:27:46,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:27:46,793 INFO L87 Difference]: Start difference. First operand 98 states and 129 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-18 12:27:46,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:27:46,851 INFO L93 Difference]: Finished difference Result 155 states and 199 transitions. [2018-11-18 12:27:46,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:27:46,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 199 transitions. [2018-11-18 12:27:46,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 12:27:46,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 155 states and 199 transitions. [2018-11-18 12:27:46,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2018-11-18 12:27:46,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2018-11-18 12:27:46,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 199 transitions. [2018-11-18 12:27:46,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:27:46,856 INFO L705 BuchiCegarLoop]: Abstraction has 155 states and 199 transitions. [2018-11-18 12:27:46,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 199 transitions. [2018-11-18 12:27:46,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 12:27:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 12:27:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 199 transitions. [2018-11-18 12:27:46,862 INFO L728 BuchiCegarLoop]: Abstraction has 155 states and 199 transitions. [2018-11-18 12:27:46,862 INFO L608 BuchiCegarLoop]: Abstraction has 155 states and 199 transitions. [2018-11-18 12:27:46,862 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:27:46,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 199 transitions. [2018-11-18 12:27:46,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 12:27:46,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:46,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:46,864 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:46,864 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] [2018-11-18 12:27:46,864 INFO L794 eck$LassoCheckResult]: Stem: 580#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 509#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 510#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 512#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 505#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 506#L266 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 511#L240 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 533#L882 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 534#L455-3 [2018-11-18 12:27:46,864 INFO L796 eck$LassoCheckResult]: Loop: 534#L455-3 assume true; 539#L455-1 assume !false; 542#L456 assume test_~splverifierCounter~0 < 4; 565#L457 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 566#L465 assume !(0 != test_~tmp~3); 521#L465-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 514#L475 assume !(0 != test_~tmp___0~1); 496#L475-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 497#L485 assume 0 != test_~tmp___2~0; 528#L491-2 assume { :begin_inline_timeShift } true; 529#L300 assume !(0 != ~pumpRunning~0); 579#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 500#L332 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 501#L168 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 561#L173 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 592#L434 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 601#L434-2 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 582#L440 processEnvironment_#t~ret12 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~1 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; 573#L336 assume !(0 != processEnvironment_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 574#L324 assume { :end_inline_processEnvironment__wrappee__base } true; 502#L332-1 assume { :end_inline_processEnvironment } true; 503#L307-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 513#L128 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 530#L893 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 532#L893-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 535#L317 assume { :end_inline_timeShift } true; 534#L455-3 [2018-11-18 12:27:46,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,865 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 12:27:46,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:46,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,906 INFO L82 PathProgramCache]: Analyzing trace with hash -68080029, now seen corresponding path program 1 times [2018-11-18 12:27:46,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,908 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:27:46,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:46,918 INFO L82 PathProgramCache]: Analyzing trace with hash 630165516, now seen corresponding path program 1 times [2018-11-18 12:27:46,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:46,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:46,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:46,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:47,075 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-11-18 12:28:41,768 WARN L180 SmtUtils]: Spent 54.65 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 12:28:58,085 WARN L180 SmtUtils]: Spent 16.31 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 12:28:58,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:28:58 BoogieIcfgContainer [2018-11-18 12:28:58,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:28:58,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:28:58,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:28:58,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:28:58,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:27:46" (3/4) ... [2018-11-18 12:28:58,160 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:28:58,207 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_daeb42e7-4b48-4e56-bbfb-1a1afd0cdfbb/bin-2019/uautomizer/witness.graphml [2018-11-18 12:28:58,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:28:58,208 INFO L168 Benchmark]: Toolchain (without parser) took 73210.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.1 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -331.6 MB). Peak memory consumption was 373.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,208 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:28:58,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.80 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,209 INFO L168 Benchmark]: Boogie Preprocessor took 24.09 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,209 INFO L168 Benchmark]: RCFGBuilder took 564.67 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: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,209 INFO L168 Benchmark]: BuchiAutomizer took 72119.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 792.5 MB in the end (delta: 257.5 MB). Peak memory consumption was 329.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,209 INFO L168 Benchmark]: Witness Printer took 51.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 792.5 MB in the beginning and 1.3 GB in the end (delta: -495.6 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:58,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.80 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.09 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 564.67 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: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 72119.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 792.5 MB in the end (delta: 257.5 MB). Peak memory consumption was 329.9 MB. Max. memory is 11.5 GB. * Witness Printer took 51.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 792.5 MB in the beginning and 1.3 GB in the end (delta: -495.6 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 155 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 72.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 71.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 155 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 276 SDtfs, 509 SDslu, 80 SDs, 0 SdLazy, 29 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 455]: 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 {"Pump(System:"=35, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ")"=36, "__utac__get_this_arg"=22, "libacc.c"=0, retValue_acc=0, "libacc.c"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@736f64f0=0, "__utac__get_this_argtype"=15, "i > 0 && i <= this->argsCount"=20, methaneLevelCritical=0, "OK"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d93f69b=0, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, retValue_acc=0, "__utac__get_this_argtype"=0, "Env(Water:%i"=39, tmp___1=0, "\n"=26, "On"=29, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, cleanupTimeShifts=4, "Off"=28, "i > 0 && i <= this->argsCount"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e0ccb92=0, "On"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35e0ff51=174, "Off"=0, "On"=0, ",Pump:"=0, ") "=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_arg"=18, \result=0, retValue_acc=0, ")"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=38, \result=1, head=0, pumpRunning=0, tmp=1, "libacc.c"=19, \result=0, ",Pump:"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62039040=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ff4c6c9=0, "Off"=0, "libacc.c"=11, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53242961=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8d0a281=0, "__utac__get_this_argtype"=12, tmp=1, retValue_acc=1, tmp___2=174, tmp___0=0, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50040181=0, methAndRunningLastTime=0, \result=0, "CRIT"=8, tmp=0, head=0, "Off"=33, ") "=27, "i > 0 && i <= this->argsCount"=17, "libacc.c"=23, "i > 0 && i <= this->argsCount"=14, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 455]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L137] FCALL "Env(Water:%i" [L138] FCALL ",Meth:" [L142] FCALL "CRIT" [L146] FCALL "OK" [L150] FCALL ")" [L394] FCALL "Pump(System:" [L398] FCALL "On" [L402] FCALL "Off" [L406] FCALL ",Pump:" [L410] FCALL "On" [L414] FCALL "Off" [L418] FCALL ") " [L420] FCALL "\n" [L807] FCALL "i > 0 && i <= this->argsCount" [L807] FCALL "libacc.c" [L808] FCALL "__utac__get_this_arg" [L814] FCALL "i > 0 && i <= this->argsCount" [L814] FCALL "libacc.c" [L815] FCALL "__utac__get_this_arg" [L853] FCALL "i > 0 && i <= this->argsCount" [L853] FCALL "libacc.c" [L854] FCALL "__utac__get_this_argtype" [L860] FCALL "i > 0 && i <= this->argsCount" [L860] FCALL "libacc.c" [L861] FCALL "__utac__get_this_argtype" [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L876] int methAndRunningLastTime ; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L257] int retValue_acc ; [L258] int tmp ; [L262] FCALL select_helpers() [L263] FCALL select_features() [L264] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L264] EXPR valid_product() [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) [L268] FCALL setup() [L269] CALL runTest() [L250] CALL __utac_acc__Specification2_spec__1() [L881] RET methAndRunningLastTime = 0 [L250] __utac_acc__Specification2_spec__1() [L251] CALL test() [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 Loop: [L455] COND TRUE 1 [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) [L498] CALL timeShift() [L300] COND FALSE !(\read(pumpRunning)) [L307] COND TRUE \read(systemActive) [L309] CALL processEnvironment() [L329] int tmp ; [L332] COND TRUE ! pumpRunning [L334] CALL, EXPR isHighWaterLevel() [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; [L432] CALL, EXPR isHighWaterSensorDry() [L165] int retValue_acc ; [L168] COND TRUE waterLevel < 2 [L169] retValue_acc = 1 [L170] RET return (retValue_acc); [L432] EXPR isHighWaterSensorDry() [L432] tmp = isHighWaterSensorDry() [L434] COND TRUE \read(tmp) [L435] tmp___0 = 0 [L439] retValue_acc = tmp___0 [L440] RET return (retValue_acc); [L334] EXPR isHighWaterLevel() [L334] tmp = isHighWaterLevel() [L336] COND FALSE !(\read(tmp)) [L342] RET, FCALL processEnvironment__wrappee__base() [L309] processEnvironment() [L315] CALL __utac_acc__Specification2_spec__2() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR isMethaneLevelCritical() [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] RET return (retValue_acc); [L891] EXPR isMethaneLevelCritical() [L891] tmp = isMethaneLevelCritical() [L893] COND FALSE !(\read(tmp)) [L909] RET methAndRunningLastTime = 0 [L315] RET __utac_acc__Specification2_spec__2() [L498] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...