./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/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 5a2d3ce20e3d26ebf70024607ecab77b852f9995 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 10:38:37,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:38:37,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:38:37,059 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:38:37,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:38:37,060 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:38:37,060 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:38:37,061 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:38:37,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:38:37,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:38:37,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:38:37,064 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:38:37,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:38:37,065 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:38:37,066 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:38:37,067 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:38:37,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:38:37,069 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:38:37,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:38:37,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:38:37,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:38:37,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:38:37,074 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:38:37,074 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:38:37,074 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:38:37,075 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:38:37,076 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:38:37,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:38:37,077 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:38:37,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:38:37,078 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:38:37,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:38:37,078 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:38:37,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:38:37,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:38:37,079 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:38:37,080 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:38:37,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:38:37,091 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:38:37,092 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:38:37,092 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:38:37,092 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:38:37,092 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:38:37,092 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:38:37,093 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:38:37,093 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:38:37,093 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:38:37,093 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:38:37,093 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:38:37,093 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:38:37,093 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:38:37,094 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:38:37,095 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:38:37,095 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:38:37,095 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:38:37,095 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:38:37,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:38:37,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:38:37,095 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:38:37,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:38:37,096 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:38:37,096 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:38:37,096 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:38:37,097 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_c390dd52-cf95-4644-92ee-c39f5091d38e/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 -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2018-11-28 10:38:37,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:38:37,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:38:37,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:38:37,128 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:38:37,128 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:38:37,129 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-28 10:38:37,165 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/data/5b7ba8eb9/dd34ca3480e14d2c8942e8e9a1590235/FLAG6625c30b7 [2018-11-28 10:38:37,589 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:38:37,590 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-28 10:38:37,598 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/data/5b7ba8eb9/dd34ca3480e14d2c8942e8e9a1590235/FLAG6625c30b7 [2018-11-28 10:38:37,610 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/data/5b7ba8eb9/dd34ca3480e14d2c8942e8e9a1590235 [2018-11-28 10:38:37,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:38:37,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:38:37,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:38:37,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:38:37,617 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:38:37,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:37,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37, skipping insertion in model container [2018-11-28 10:38:37,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:37,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:38:37,654 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:38:37,833 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:38:37,892 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:38:37,946 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:38:37,963 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:38:37,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37 WrapperNode [2018-11-28 10:38:37,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:38:37,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:38:37,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:38:37,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:38:37,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:37,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:38:38,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:38:38,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:38:38,010 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:38:38,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... [2018-11-28 10:38:38,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:38:38,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:38:38,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:38:38,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:38:38,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/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 [2018-11-28 10:38:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:38:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:38:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:38:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:38:38,549 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:38:38,549 INFO L280 CfgBuilder]: Removed 114 assue(true) statements. [2018-11-28 10:38:38,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:38:38 BoogieIcfgContainer [2018-11-28 10:38:38,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:38:38,550 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:38:38,550 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:38:38,552 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:38:38,553 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:38:38,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:38:37" (1/3) ... [2018-11-28 10:38:38,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b882800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:38:38, skipping insertion in model container [2018-11-28 10:38:38,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:38:38,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:38:37" (2/3) ... [2018-11-28 10:38:38,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b882800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:38:38, skipping insertion in model container [2018-11-28 10:38:38,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:38:38,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:38:38" (3/3) ... [2018-11-28 10:38:38,555 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-28 10:38:38,587 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:38:38,587 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:38:38,588 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:38:38,588 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:38:38,588 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:38:38,588 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:38:38,588 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:38:38,588 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:38:38,588 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:38:38,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2018-11-28 10:38:38,617 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-28 10:38:38,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:38:38,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:38:38,623 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:38:38,623 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:38:38,623 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:38:38,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2018-11-28 10:38:38,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-28 10:38:38,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:38:38,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:38:38,628 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:38:38,628 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:38:38,632 INFO L794 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 23#L870true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 32#L878true main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 37#L834true assume 0 != main_~tmp~7; 13#L808true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L900-1true [2018-11-28 10:38:38,632 INFO L796 eck$LassoCheckResult]: Loop: 34#L900-1true assume !false; 58#L421true assume test_~splverifierCounter~0 < 4; 72#L422true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 76#L430true assume !(0 != test_~tmp~3); 77#L430-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 61#L440true assume !(0 != test_~tmp___0~0); 64#L440-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 39#L450true assume 0 != test_~tmp___2~0; 85#L456-2true assume !(0 != ~pumpRunning~0); 66#L586true assume !(0 != ~systemActive~0); 55#L593true havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 47#L523-1true __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 29#L900true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 34#L900-1true [2018-11-28 10:38:38,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:38,637 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 10:38:38,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:38,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:38,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:38:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:38,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:38,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1681191230, now seen corresponding path program 1 times [2018-11-28 10:38:38,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:38,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:38,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:38,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:38:38,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:38,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:38,805 INFO L82 PathProgramCache]: Analyzing trace with hash 33087708, now seen corresponding path program 1 times [2018-11-28 10:38:38,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:38,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:38,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:38,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:38:38,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:38:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:38:38,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:38:38,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:38:39,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:38:39,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:38:39,007 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 6 states. [2018-11-28 10:38:39,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:38:39,081 INFO L93 Difference]: Finished difference Result 84 states and 115 transitions. [2018-11-28 10:38:39,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 10:38:39,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 115 transitions. [2018-11-28 10:38:39,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-28 10:38:39,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 77 states and 108 transitions. [2018-11-28 10:38:39,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 77 [2018-11-28 10:38:39,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2018-11-28 10:38:39,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 108 transitions. [2018-11-28 10:38:39,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:38:39,089 INFO L705 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-11-28 10:38:39,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 108 transitions. [2018-11-28 10:38:39,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-28 10:38:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-28 10:38:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2018-11-28 10:38:39,114 INFO L728 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-11-28 10:38:39,114 INFO L608 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-11-28 10:38:39,115 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:38:39,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 108 transitions. [2018-11-28 10:38:39,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-28 10:38:39,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:38:39,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:38:39,116 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:38:39,116 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:38:39,116 INFO L794 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 197#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 198#L870 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 227#L878 main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 235#L834 assume 0 != main_~tmp~7; 211#L808 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 212#L900-1 [2018-11-28 10:38:39,117 INFO L796 eck$LassoCheckResult]: Loop: 212#L900-1 assume !false; 236#L421 assume test_~splverifierCounter~0 < 4; 253#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 261#L430 assume !(0 != test_~tmp~3); 251#L430-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 255#L440 assume !(0 != test_~tmp___0~0); 256#L440-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 240#L450 assume 0 != test_~tmp___2~0; 241#L456-2 assume !(0 != ~pumpRunning~0); 223#L586 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 245#L618 assume !(0 == ~pumpRunning~0); 233#L593 havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 246#L523-1 __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 228#L900 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 212#L900-1 [2018-11-28 10:38:39,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:39,117 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 10:38:39,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:39,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:39,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:38:39,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:39,155 INFO L82 PathProgramCache]: Analyzing trace with hash -619089829, now seen corresponding path program 1 times [2018-11-28 10:38:39,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:39,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:39,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,156 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:38:39,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:38:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:38:39,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:38:39,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:38:39,165 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:38:39,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:38:39,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:38:39,166 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-28 10:38:39,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:38:39,220 INFO L93 Difference]: Finished difference Result 118 states and 159 transitions. [2018-11-28 10:38:39,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:38:39,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 159 transitions. [2018-11-28 10:38:39,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2018-11-28 10:38:39,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 118 states and 159 transitions. [2018-11-28 10:38:39,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 118 [2018-11-28 10:38:39,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2018-11-28 10:38:39,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 118 states and 159 transitions. [2018-11-28 10:38:39,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:38:39,224 INFO L705 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2018-11-28 10:38:39,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states and 159 transitions. [2018-11-28 10:38:39,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 10:38:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 10:38:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 159 transitions. [2018-11-28 10:38:39,228 INFO L728 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2018-11-28 10:38:39,228 INFO L608 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2018-11-28 10:38:39,228 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 10:38:39,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 159 transitions. [2018-11-28 10:38:39,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2018-11-28 10:38:39,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:38:39,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:38:39,231 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:38:39,231 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] [2018-11-28 10:38:39,231 INFO L794 eck$LassoCheckResult]: Stem: 453#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 398#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 399#L870 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 421#L878 main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 432#L834 assume 0 != main_~tmp~7; 406#L808 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 407#L900-1 [2018-11-28 10:38:39,231 INFO L796 eck$LassoCheckResult]: Loop: 407#L900-1 assume !false; 436#L421 assume test_~splverifierCounter~0 < 4; 458#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 467#L430 assume !(0 != test_~tmp~3); 456#L430-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 461#L440 assume !(0 != test_~tmp___0~0); 462#L440-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 440#L450 assume 0 != test_~tmp___2~0; 441#L456-2 assume !(0 != ~pumpRunning~0); 465#L586 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 449#L618 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 404#L563 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 405#L568 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 389#L738 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 390#L738-2 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 393#L744 processEnvironment_#t~ret49 := isHighWaterLevel_#res;processEnvironment_~tmp~4 := processEnvironment_#t~ret49;havoc processEnvironment_#t~ret49; 433#L622 assume !(0 != processEnvironment_~tmp~4); 434#L593 havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 450#L523-1 __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 428#L900 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 407#L900-1 [2018-11-28 10:38:39,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:39,232 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 10:38:39,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:39,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:39,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:38:39,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:39,265 INFO L82 PathProgramCache]: Analyzing trace with hash -21695257, now seen corresponding path program 1 times [2018-11-28 10:38:39,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:39,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:39,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,266 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:38:39,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:38:39,275 INFO L82 PathProgramCache]: Analyzing trace with hash -6983283, now seen corresponding path program 1 times [2018-11-28 10:38:39,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:38:39,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:38:39,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:38:39,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:38:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:38:39,425 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-28 10:38:43,062 WARN L180 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 10:38:44,720 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 10:38:44,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:38:44 BoogieIcfgContainer [2018-11-28 10:38:44,756 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:38:44,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:38:44,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:38:44,757 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:38:44,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:38:38" (3/4) ... [2018-11-28 10:38:44,761 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 10:38:44,799 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c390dd52-cf95-4644-92ee-c39f5091d38e/bin-2019/uautomizer/witness.graphml [2018-11-28 10:38:44,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:38:44,799 INFO L168 Benchmark]: Toolchain (without parser) took 7186.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 951.7 MB in the beginning and 963.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:38:44,800 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:38:44,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:38:44,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.90 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:38:44,801 INFO L168 Benchmark]: Boogie Preprocessor took 28.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:38:44,801 INFO L168 Benchmark]: RCFGBuilder took 510.83 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: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:38:44,802 INFO L168 Benchmark]: BuchiAutomizer took 6206.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 970.7 MB in the end (delta: 100.9 MB). Peak memory consumption was 372.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:38:44,802 INFO L168 Benchmark]: Witness Printer took 42.18 ms. Allocated memory is still 1.3 GB. Free memory was 970.7 MB in the beginning and 963.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:38:44,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.90 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 510.83 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: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6206.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 970.7 MB in the end (delta: 100.9 MB). Peak memory consumption was 372.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.18 ms. Allocated memory is still 1.3 GB. Free memory was 970.7 MB in the beginning and 963.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. 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 118 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 216 SDtfs, 529 SDslu, 50 SDs, 0 SdLazy, 29 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 420]: 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 {NULL=0, NULL=22, NULL=0, NULL=0, NULL=40, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@489adeb3=0, NULL=0, NULL=0, NULL=39, NULL=0, retValue_acc=0, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, tmp=0, NULL=0, retValue_acc=0, NULL=0, tmp___1=0, NULL=37, NULL=15, tmp___0=0, NULL=19, NULL=27, cleanupTimeShifts=4, NULL=45, NULL=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c87ab5b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8cef1d4=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@619dff8c=0, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ea1cb9d=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cc276c7=0, retValue_acc=0, \result=0, NULL=20, tmp___0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d0aeb3b=0, NULL=0, NULL=0, \result=1, NULL=34, head=0, pumpRunning=0, NULL=36, \result=0, retValue_acc=1, NULL=38, NULL=0, tmp=1, NULL=0, \result=1, NULL=35, NULL=43, NULL=33, NULL=31, tmp=0, tmp___2=56, NULL=17, tmp=1, splverifierCounter=0, NULL=0, \result=0, NULL=24, head=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c9aa153=0, NULL=26, NULL=29, NULL=0, NULL=42, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c75fa62=0, NULL=28, NULL=0, NULL=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L825] int retValue_acc ; [L826] int tmp ; [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L586] COND FALSE !(\read(pumpRunning)) [L593] COND TRUE \read(systemActive) [L615] int tmp ; [L618] COND TRUE ! pumpRunning [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L560] int retValue_acc ; [L563] COND TRUE waterLevel < 2 [L564] retValue_acc = 1 [L565] return (retValue_acc); [L736] tmp = isHighWaterSensorDry() [L738] COND TRUE \read(tmp) [L739] tmp___0 = 0 [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); [L620] tmp = isHighWaterLevel() [L622] COND FALSE !(\read(tmp)) [L893] int tmp ; [L894] int tmp___0 ; [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...