./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product34_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_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/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 feddb53df5c889a09349b532f3a03633c4161684 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:19:49,070 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:19:49,071 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:19:49,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:19:49,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:19:49,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:19:49,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:19:49,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:19:49,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:19:49,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:19:49,083 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:19:49,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:19:49,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:19:49,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:19:49,085 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:19:49,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:19:49,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:19:49,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:19:49,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:19:49,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:19:49,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:19:49,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:19:49,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:19:49,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:19:49,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:19:49,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:19:49,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:19:49,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:19:49,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:19:49,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:19:49,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:19:49,095 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:19:49,095 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:19:49,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:19:49,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:19:49,096 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:19:49,096 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:19:49,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:19:49,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:19:49,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:19:49,105 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:19:49,105 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:19:49,105 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:19:49,105 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:19:49,106 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:19:49,106 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:19:49,106 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:19:49,106 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:19:49,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:19:49,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:19:49,106 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:19:49,107 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:19:49,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:19:49,108 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:19:49,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:19:49,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:19:49,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:19:49,108 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:19:49,108 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:19:49,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:19:49,109 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:19:49,109 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:19:49,110 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:19:49,110 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_84bf7950-4722-49b1-926b-b4f9958020b8/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 -> feddb53df5c889a09349b532f3a03633c4161684 [2018-11-28 12:19:49,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:19:49,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:19:49,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:19:49,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:19:49,146 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:19:49,147 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-28 12:19:49,189 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/data/7e7fb10aa/0178cdb5502a4a72b67119169e730a40/FLAGc6511a0c7 [2018-11-28 12:19:49,541 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:19:49,541 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-28 12:19:49,548 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/data/7e7fb10aa/0178cdb5502a4a72b67119169e730a40/FLAGc6511a0c7 [2018-11-28 12:19:49,561 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/data/7e7fb10aa/0178cdb5502a4a72b67119169e730a40 [2018-11-28 12:19:49,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:19:49,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:19:49,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:19:49,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:19:49,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:19:49,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:49,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54acf9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49, skipping insertion in model container [2018-11-28 12:19:49,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:49,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:19:49,607 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:19:49,806 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:19:49,865 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:19:49,925 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:19:49,948 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:19:49,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49 WrapperNode [2018-11-28 12:19:49,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:19:49,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:19:49,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:19:49,949 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:19:49,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:49,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:49,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:19:49,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:19:49,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:19:49,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:19:50,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... [2018-11-28 12:19:50,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:19:50,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:19:50,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:19:50,022 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:19:50,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/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 12:19:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:19:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:19:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:19:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:19:50,515 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:19:50,515 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-11-28 12:19:50,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:19:50 BoogieIcfgContainer [2018-11-28 12:19:50,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:19:50,516 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:19:50,516 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:19:50,518 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:19:50,519 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:19:50,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:19:49" (1/3) ... [2018-11-28 12:19:50,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37c5e079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:19:50, skipping insertion in model container [2018-11-28 12:19:50,521 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:19:50,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:49" (2/3) ... [2018-11-28 12:19:50,521 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37c5e079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:19:50, skipping insertion in model container [2018-11-28 12:19:50,521 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:19:50,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:19:50" (3/3) ... [2018-11-28 12:19:50,523 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-28 12:19:50,559 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:19:50,559 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:19:50,559 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:19:50,559 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:19:50,559 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:19:50,559 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:19:50,560 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:19:50,560 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:19:50,560 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:19:50,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2018-11-28 12:19:50,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 12:19:50,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:19:50,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:19:50,596 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:19:50,596 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:50,597 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:19:50,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2018-11-28 12:19:50,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 12:19:50,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:19:50,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:19:50,601 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:19:50,601 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:50,604 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25); 20#L-1true havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 57#L195true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 71#L203true main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 70#L159true assume 0 != main_~tmp~1; 41#L132true havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L51-1true [2018-11-28 12:19:50,605 INFO L796 eck$LassoCheckResult]: Loop: 11#L51-1true assume !false; 30#L220true assume test_~splverifierCounter~0 < 4; 48#L221true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 62#L229true assume !(0 != test_~tmp~2); 77#L229-1true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 43#L239true assume !(0 != test_~tmp___0~1); 58#L239-1true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 40#L249true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 53#L257-2true assume !(0 != ~pumpRunning~0); 38#L289true assume !(0 != ~systemActive~0); 14#L296true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 59#L517true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 16#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 11#L51-1true [2018-11-28 12:19:50,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:50,610 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:19:50,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:50,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:50,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:50,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:50,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:50,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1680575549, now seen corresponding path program 1 times [2018-11-28 12:19:50,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:50,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:50,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:50,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:50,797 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 12:19:50,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:50,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:19:50,801 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:19:50,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:19:50,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:19:50,811 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2018-11-28 12:19:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:50,846 INFO L93 Difference]: Finished difference Result 75 states and 104 transitions. [2018-11-28 12:19:50,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:19:50,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 104 transitions. [2018-11-28 12:19:50,850 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 12:19:50,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2018-11-28 12:19:50,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2018-11-28 12:19:50,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2018-11-28 12:19:50,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2018-11-28 12:19:50,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:19:50,855 INFO L705 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2018-11-28 12:19:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2018-11-28 12:19:50,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-28 12:19:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 12:19:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2018-11-28 12:19:50,879 INFO L728 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2018-11-28 12:19:50,879 INFO L608 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2018-11-28 12:19:50,879 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:19:50,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2018-11-28 12:19:50,880 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 12:19:50,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:19:50,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:19:50,881 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:19:50,881 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:50,881 INFO L794 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25); 188#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 189#L195 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 222#L203 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 225#L159 assume 0 != main_~tmp~1; 214#L132 havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 174#L51-1 [2018-11-28 12:19:50,882 INFO L796 eck$LassoCheckResult]: Loop: 174#L51-1 assume !false; 175#L220 assume test_~splverifierCounter~0 < 4; 200#L221 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 219#L229 assume !(0 != test_~tmp~2); 172#L229-1 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 215#L239 assume !(0 != test_~tmp___0~1); 199#L239-1 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 211#L249 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 212#L257-2 assume !(0 != ~pumpRunning~0); 209#L289 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 176#L321 assume !(0 == ~pumpRunning~0); 177#L296 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 179#L517 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 180#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 174#L51-1 [2018-11-28 12:19:50,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:50,882 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:19:50,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:50,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:50,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:50,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:50,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:50,937 INFO L82 PathProgramCache]: Analyzing trace with hash -589844997, now seen corresponding path program 1 times [2018-11-28 12:19:50,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:50,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:50,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,938 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:19:50,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:50,957 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 12:19:50,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:50,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:19:50,958 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:19:50,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:19:50,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:19:50,959 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 30 Second operand 3 states. [2018-11-28 12:19:51,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:51,040 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2018-11-28 12:19:51,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:19:51,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 147 transitions. [2018-11-28 12:19:51,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-28 12:19:51,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 109 states and 147 transitions. [2018-11-28 12:19:51,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2018-11-28 12:19:51,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2018-11-28 12:19:51,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 147 transitions. [2018-11-28 12:19:51,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:19:51,045 INFO L705 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2018-11-28 12:19:51,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 147 transitions. [2018-11-28 12:19:51,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-11-28 12:19:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 12:19:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 147 transitions. [2018-11-28 12:19:51,050 INFO L728 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2018-11-28 12:19:51,050 INFO L608 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2018-11-28 12:19:51,051 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:19:51,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 147 transitions. [2018-11-28 12:19:51,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-28 12:19:51,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:19:51,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:19:51,052 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:19:51,052 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 12:19:51,053 INFO L794 eck$LassoCheckResult]: Stem: 392#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25); 373#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 374#L195 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 409#L203 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 416#L159 assume 0 != main_~tmp~1; 398#L132 havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 361#L51-1 [2018-11-28 12:19:51,053 INFO L796 eck$LassoCheckResult]: Loop: 361#L51-1 assume !false; 362#L220 assume test_~splverifierCounter~0 < 4; 386#L221 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 404#L229 assume !(0 != test_~tmp~2); 358#L229-1 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 399#L239 assume !(0 != test_~tmp___0~1); 385#L239-1 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 395#L249 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 396#L257-2 assume !(0 != ~pumpRunning~0); 393#L289 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 359#L321 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret26, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 360#L525 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 375#L530 isHighWaterLevel_#t~ret26 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret26;havoc isHighWaterLevel_#t~ret26; 376#L423 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~2 := 0; 417#L423-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 401#L429 processEnvironment_#t~ret8 := isHighWaterLevel_#res;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; 381#L325 assume !(0 != processEnvironment_~tmp~3); 363#L296 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 364#L517 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 365#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 361#L51-1 [2018-11-28 12:19:51,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:51,053 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 12:19:51,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:51,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:51,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:51,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:51,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:51,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:51,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1033973017, now seen corresponding path program 1 times [2018-11-28 12:19:51,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:51,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:51,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:51,095 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:19:51,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:51,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:51,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1019261043, now seen corresponding path program 1 times [2018-11-28 12:19:51,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:51,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:51,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:51,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:51,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:19:51,251 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-28 12:19:55,949 WARN L180 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:19:58,125 WARN L180 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:19:58,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:19:58 BoogieIcfgContainer [2018-11-28 12:19:58,161 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:19:58,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:19:58,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:19:58,162 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:19:58,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:19:50" (3/4) ... [2018-11-28 12:19:58,164 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:19:58,203 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_84bf7950-4722-49b1-926b-b4f9958020b8/bin-2019/uautomizer/witness.graphml [2018-11-28 12:19:58,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:19:58,204 INFO L168 Benchmark]: Toolchain (without parser) took 8639.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 952.6 MB in the beginning and 936.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 322.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:58,204 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:19:58,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:58,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.99 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 12:19:58,205 INFO L168 Benchmark]: Boogie Preprocessor took 26.74 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 12:19:58,205 INFO L168 Benchmark]: RCFGBuilder took 493.39 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: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:58,205 INFO L168 Benchmark]: BuchiAutomizer took 7645.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 150.5 MB). Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 143.0 MB). Peak memory consumption was 337.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:58,206 INFO L168 Benchmark]: Witness Printer took 41.54 ms. Allocated memory is still 1.3 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:19:58,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.99 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. * Boogie Preprocessor took 26.74 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 493.39 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: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7645.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 150.5 MB). Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 143.0 MB). Peak memory consumption was 337.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.54 ms. Allocated memory is still 1.3 GB. Free memory is still 936.1 MB. There was no memory consumed. 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 3 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. 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 109 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 212 SDtfs, 178 SDslu, 48 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 219]: 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=12, NULL=0, NULL=0, NULL=28, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3deed27d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55cc376c=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@581da44d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@609e72f7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@317a9a92=0, NULL=15, NULL=20, NULL=27, methaneLevelCritical=0, tmp___0=0, tmp=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=39, NULL=0, tmp___1=0, NULL=37, tmp___0=0, NULL=35, NULL=29, cleanupTimeShifts=4, NULL=31, NULL=36, NULL=8, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=40, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@541f66e6=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dfb934b=0, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72ca45f8=0, \result=0, NULL=22, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=26, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dc6cd48=0, NULL=16, NULL=0, NULL=0, NULL=17, tmp=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=18, tmp=1, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=56, NULL=34, tmp___0=0, splverifierCounter=0, NULL=0, NULL=23, tmp=0, head=0, NULL=0, NULL=11, NULL=33, NULL=0, NULL=0, NULL=14, NULL=19} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L69] int cleanupTimeShifts = 4; [L282] int pumpRunning = 0; [L283] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L199] int retValue_acc ; [L202] retValue_acc = 1 [L203] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L210] int splverifierCounter ; [L211] int tmp ; [L212] int tmp___0 ; [L213] int tmp___1 ; [L214] int tmp___2 ; [L217] splverifierCounter = 0 Loop: [L219] COND TRUE 1 [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND TRUE \read(tmp___2) [L437] systemActive = 1 [L289] COND FALSE !(\read(pumpRunning)) [L296] COND TRUE \read(systemActive) [L318] int tmp ; [L321] COND TRUE ! pumpRunning [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L522] int retValue_acc ; [L525] COND TRUE waterLevel < 2 [L526] retValue_acc = 1 [L527] return (retValue_acc); [L421] tmp = isHighWaterSensorDry() [L423] COND TRUE \read(tmp) [L424] tmp___0 = 0 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L323] tmp = isHighWaterLevel() [L325] COND FALSE !(\read(tmp)) [L44] int tmp ; [L45] int tmp___0 ; [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...