./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-02 18:26:50,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:26:50,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:26:50,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:26:50,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:26:50,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:26:50,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:26:50,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:26:50,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:26:50,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:26:50,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:26:50,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:26:50,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:26:50,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:26:50,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:26:50,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:26:50,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:26:50,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:26:50,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:26:50,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:26:50,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:26:50,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:26:50,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:26:50,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:26:50,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:26:50,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:26:50,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:26:50,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:26:50,584 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:26:50,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:26:50,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:26:50,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:26:50,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:26:50,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:26:50,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:26:50,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:26:50,586 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 18:26:50,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:26:50,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:26:50,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:26:50,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:26:50,595 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 18:26:50,595 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 18:26:50,595 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 18:26:50,595 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 18:26:50,595 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 18:26:50,595 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 18:26:50,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:26:50,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 18:26:50,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 18:26:50,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 18:26:50,597 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 18:26:50,598 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 18:26:50,598 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_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2018-12-02 18:26:50,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:26:50,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:26:50,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:26:50,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:26:50,625 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:26:50,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-12-02 18:26:50,663 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/data/4f8910e53/35e9a36c78a64edda732dc789adb1f31/FLAG1fe5bb34b [2018-12-02 18:26:51,074 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:26:51,075 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-12-02 18:26:51,081 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/data/4f8910e53/35e9a36c78a64edda732dc789adb1f31/FLAG1fe5bb34b [2018-12-02 18:26:51,090 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/data/4f8910e53/35e9a36c78a64edda732dc789adb1f31 [2018-12-02 18:26:51,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:26:51,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:26:51,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:26:51,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:26:51,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:26:51,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51, skipping insertion in model container [2018-12-02 18:26:51,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:26:51,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:26:51,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:26:51,357 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:26:51,401 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:26:51,415 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:26:51,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51 WrapperNode [2018-12-02 18:26:51,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:26:51,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:26:51,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:26:51,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:26:51,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:26:51,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:26:51,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:26:51,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:26:51,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... [2018-12-02 18:26:51,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:26:51,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:26:51,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:26:51,468 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:26:51,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/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 [2018-12-02 18:26:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:26:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:26:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:26:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:26:51,775 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:26:51,776 INFO L280 CfgBuilder]: Removed 104 assue(true) statements. [2018-12-02 18:26:51,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:51 BoogieIcfgContainer [2018-12-02 18:26:51,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:26:51,776 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 18:26:51,776 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 18:26:51,778 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 18:26:51,779 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:26:51,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:26:51" (1/3) ... [2018-12-02 18:26:51,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ecfb27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:26:51, skipping insertion in model container [2018-12-02 18:26:51,780 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:26:51,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:51" (2/3) ... [2018-12-02 18:26:51,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ecfb27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:26:51, skipping insertion in model container [2018-12-02 18:26:51,780 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:26:51,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:51" (3/3) ... [2018-12-02 18:26:51,781 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-12-02 18:26:51,812 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:26:51,812 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 18:26:51,813 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 18:26:51,813 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 18:26:51,813 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:26:51,813 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:26:51,813 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 18:26:51,813 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:26:51,813 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 18:26:51,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-12-02 18:26:51,837 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-02 18:26:51,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:26:51,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:26:51,842 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:26:51,842 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:26:51,842 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 18:26:51,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-12-02 18:26:51,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-02 18:26:51,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:26:51,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:26:51,845 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:26:51,845 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:26:51,849 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 14#L-1true havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 37#L907true 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; 44#L915true main_#t~ret4 := valid_product_#res;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 33#L198true assume 0 != main_~tmp~1; 47#L172true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 81#L763-1true [2018-12-02 18:26:51,849 INFO L796 eck$LassoCheckResult]: Loop: 81#L763-1true assume !false; 60#L56true assume test_~splverifierCounter~0 < 4; 82#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 21#L65true assume !(0 != test_~tmp~0); 17#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 75#L75true assume !(0 != test_~tmp___0~0); 73#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 59#L85true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 52#L93-2true assume !(0 != ~pumpRunning~0); 49#L227true assume !(0 != ~systemActive~0); 42#L234true havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 34#L834true __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 39#L757true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 81#L763-1true [2018-12-02 18:26:51,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:51,852 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-02 18:26:51,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:51,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:51,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:51,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:51,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:51,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:51,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1680575562, now seen corresponding path program 1 times [2018-12-02 18:26:51,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:51,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:51,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:51,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:51,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:26:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:26:52,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:26:52,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:26:52,003 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 18:26:52,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:26:52,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:26:52,013 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2018-12-02 18:26:52,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:26:52,035 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2018-12-02 18:26:52,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:26:52,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 113 transitions. [2018-12-02 18:26:52,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-12-02 18:26:52,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 74 states and 105 transitions. [2018-12-02 18:26:52,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2018-12-02 18:26:52,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2018-12-02 18:26:52,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 105 transitions. [2018-12-02 18:26:52,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 18:26:52,042 INFO L705 BuchiCegarLoop]: Abstraction has 74 states and 105 transitions. [2018-12-02 18:26:52,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 105 transitions. [2018-12-02 18:26:52,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-12-02 18:26:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-02 18:26:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2018-12-02 18:26:52,061 INFO L728 BuchiCegarLoop]: Abstraction has 74 states and 105 transitions. [2018-12-02 18:26:52,061 INFO L608 BuchiCegarLoop]: Abstraction has 74 states and 105 transitions. [2018-12-02 18:26:52,061 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 18:26:52,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 105 transitions. [2018-12-02 18:26:52,062 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-12-02 18:26:52,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:26:52,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:26:52,063 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:26:52,063 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:26:52,063 INFO L794 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 192#L-1 havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 193#L907 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; 220#L915 main_#t~ret4 := valid_product_#res;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 214#L198 assume 0 != main_~tmp~1; 215#L172 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 190#L763-1 [2018-12-02 18:26:52,063 INFO L796 eck$LassoCheckResult]: Loop: 190#L763-1 assume !false; 235#L56 assume test_~splverifierCounter~0 < 4; 236#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 205#L65 assume !(0 != test_~tmp~0); 196#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 197#L75 assume !(0 != test_~tmp___0~0); 243#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 234#L85 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 226#L93-2 assume !(0 != ~pumpRunning~0); 203#L227 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 210#L259 assume !(0 == ~pumpRunning~0); 182#L234 havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 216#L834 __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 217#L757 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 190#L763-1 [2018-12-02 18:26:52,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,063 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-02 18:26:52,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:52,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,098 INFO L82 PathProgramCache]: Analyzing trace with hash -589845010, now seen corresponding path program 1 times [2018-12-02 18:26:52,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,099 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 18:26:52,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:26:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:26:52,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:26:52,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:26:52,110 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 18:26:52,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:26:52,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:26:52,110 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-12-02 18:26:52,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:26:52,150 INFO L93 Difference]: Finished difference Result 121 states and 165 transitions. [2018-12-02 18:26:52,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:26:52,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 165 transitions. [2018-12-02 18:26:52,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 84 [2018-12-02 18:26:52,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 165 transitions. [2018-12-02 18:26:52,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2018-12-02 18:26:52,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2018-12-02 18:26:52,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 165 transitions. [2018-12-02 18:26:52,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 18:26:52,154 INFO L705 BuchiCegarLoop]: Abstraction has 121 states and 165 transitions. [2018-12-02 18:26:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 165 transitions. [2018-12-02 18:26:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-02 18:26:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-02 18:26:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 165 transitions. [2018-12-02 18:26:52,158 INFO L728 BuchiCegarLoop]: Abstraction has 121 states and 165 transitions. [2018-12-02 18:26:52,158 INFO L608 BuchiCegarLoop]: Abstraction has 121 states and 165 transitions. [2018-12-02 18:26:52,158 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 18:26:52,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 165 transitions. [2018-12-02 18:26:52,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 84 [2018-12-02 18:26:52,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:26:52,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:26:52,160 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:26:52,160 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] [2018-12-02 18:26:52,160 INFO L794 eck$LassoCheckResult]: Stem: 427#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 396#L-1 havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 397#L907 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; 424#L915 main_#t~ret4 := valid_product_#res;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 418#L198 assume 0 != main_~tmp~1; 419#L172 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 394#L763-1 [2018-12-02 18:26:52,161 INFO L796 eck$LassoCheckResult]: Loop: 394#L763-1 assume !false; 460#L56 assume test_~splverifierCounter~0 < 4; 472#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 471#L65 assume !(0 != test_~tmp~0); 469#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 468#L75 assume !(0 != test_~tmp___0~0); 456#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 441#L85 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 432#L93-2 assume !(0 != ~pumpRunning~0); 429#L227 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 414#L259 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 415#L874 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 425#L879 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 445#L361 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 457#L361-2 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 446#L367 processEnvironment_#t~ret5 := isHighWaterLevel_#res;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; 384#L263 assume !(0 != processEnvironment_~tmp~2); 386#L234 havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 420#L834 __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 421#L757 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 394#L763-1 [2018-12-02 18:26:52,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,161 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-02 18:26:52,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:52,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1033973030, now seen corresponding path program 1 times [2018-12-02 18:26:52,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,200 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 18:26:52,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1019261056, now seen corresponding path program 1 times [2018-12-02 18:26:52,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:52,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:26:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:26:52,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:26:52,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:26:52,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 18:26:52,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 18:26:52,364 INFO L87 Difference]: Start difference. First operand 121 states and 165 transitions. cyclomatic complexity: 46 Second operand 5 states. [2018-12-02 18:26:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:26:52,432 INFO L93 Difference]: Finished difference Result 398 states and 547 transitions. [2018-12-02 18:26:52,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 18:26:52,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 398 states and 547 transitions. [2018-12-02 18:26:52,435 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2018-12-02 18:26:52,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 398 states to 398 states and 547 transitions. [2018-12-02 18:26:52,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 398 [2018-12-02 18:26:52,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 398 [2018-12-02 18:26:52,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 398 states and 547 transitions. [2018-12-02 18:26:52,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 18:26:52,440 INFO L705 BuchiCegarLoop]: Abstraction has 398 states and 547 transitions. [2018-12-02 18:26:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states and 547 transitions. [2018-12-02 18:26:52,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 236. [2018-12-02 18:26:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-12-02 18:26:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 316 transitions. [2018-12-02 18:26:52,453 INFO L728 BuchiCegarLoop]: Abstraction has 236 states and 316 transitions. [2018-12-02 18:26:52,453 INFO L608 BuchiCegarLoop]: Abstraction has 236 states and 316 transitions. [2018-12-02 18:26:52,453 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-02 18:26:52,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states and 316 transitions. [2018-12-02 18:26:52,455 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2018-12-02 18:26:52,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:26:52,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:26:52,455 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:26:52,455 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:26:52,456 INFO L794 eck$LassoCheckResult]: Stem: 965#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 932#L-1 havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 933#L907 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; 962#L915 main_#t~ret4 := valid_product_#res;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 955#L198 assume 0 != main_~tmp~1; 956#L172 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 969#L763-1 [2018-12-02 18:26:52,456 INFO L796 eck$LassoCheckResult]: Loop: 969#L763-1 assume !false; 1103#L56 assume test_~splverifierCounter~0 < 4; 1104#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1144#L65 assume !(0 != test_~tmp~0); 1142#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1001#L75 assume !(0 != test_~tmp___0~0); 999#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 983#L85 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 973#L93-2 assume !(0 != ~pumpRunning~0); 970#L227 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 951#L259 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 952#L874 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 963#L879 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1120#L361 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1117#L361-2 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 1115#L367 processEnvironment_#t~ret5 := isHighWaterLevel_#res;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; 921#L263 assume !(0 != processEnvironment_~tmp~2); 923#L234 havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 1110#L834 __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 1109#L757 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 1108#L866 __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; 1105#L763 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 969#L763-1 [2018-12-02 18:26:52,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,456 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2018-12-02 18:26:52,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:52,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1510630356, now seen corresponding path program 1 times [2018-12-02 18:26:52,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,488 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 18:26:52,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:52,497 INFO L82 PathProgramCache]: Analyzing trace with hash -257325230, now seen corresponding path program 1 times [2018-12-02 18:26:52,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:26:52,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:26:52,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:26:52,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:26:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:26:55,979 WARN L180 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-02 18:26:57,668 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-02 18:26:57,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:26:57 BoogieIcfgContainer [2018-12-02 18:26:57,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 18:26:57,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:26:57,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:26:57,699 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:26:57,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:51" (3/4) ... [2018-12-02 18:26:57,702 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 18:26:57,733 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e0eab0a2-9bf8-4ff3-83e6-7ea2a5f4ab32/bin-2019/uautomizer/witness.graphml [2018-12-02 18:26:57,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:26:57,734 INFO L168 Benchmark]: Toolchain (without parser) took 6641.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 948.2 MB in the beginning and 873.4 MB in the end (delta: 74.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,734 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:26:57,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 948.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,735 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,735 INFO L168 Benchmark]: RCFGBuilder took 308.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,736 INFO L168 Benchmark]: BuchiAutomizer took 5922.64 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.0 GB in the beginning and 878.8 MB in the end (delta: 162.1 MB). Peak memory consumption was 265.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,736 INFO L168 Benchmark]: Witness Printer took 34.24 ms. Allocated memory is still 1.2 GB. Free memory was 878.8 MB in the beginning and 873.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:26:57,737 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 948.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5922.64 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.0 GB in the beginning and 878.8 MB in the end (delta: 162.1 MB). Peak memory consumption was 265.9 MB. Max. memory is 11.5 GB. * Witness Printer took 34.24 ms. Allocated memory is still 1.2 GB. Free memory was 878.8 MB in the beginning and 873.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 236 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 162 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 236 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 370 SDtfs, 585 SDslu, 497 SDs, 0 SdLazy, 67 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: 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=0, NULL=34, NULL=20, NULL=0, retValue_acc=0, NULL=0, NULL=38, NULL=33, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1344cd4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d5396e0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bcda96b=56, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4e3b5e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a8b8491=0, NULL=0, NULL=0, NULL=27, methaneLevelCritical=0, NULL=36, tmp___0=0, retValue_acc=1, NULL=0, retValue_acc=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=16, cleanupTimeShifts=4, tmp=0, NULL=15, NULL=31, NULL=26, NULL=11, tmp=0, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, NULL=8, \result=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@603803c=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32efcd5=0, NULL=14, \result=0, NULL=0, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aa65bd7=0, NULL=19, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, NULL=29, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c72fd81=0, NULL=23, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ce63a68=0, NULL=0, \result=1, NULL=39, NULL=28, NULL=0, tmp=1, retValue_acc=1, tmp___2=56, splverifierCounter=0, \result=0, tmp=0, tmp___1=0, head=0, NULL=0, NULL=18, NULL=0, NULL=35, NULL=12, NULL=22, NULL=24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L112] int cleanupTimeShifts = 4; [L219] int pumpRunning = 0; [L220] int systemActive = 1; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L791] int waterLevel = 1; [L792] int methaneLevelCritical = 0; [L189] int retValue_acc ; [L190] int tmp ; [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); [L196] tmp = valid_product() [L198] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L375] systemActive = 1 [L227] COND FALSE !(\read(pumpRunning)) [L234] COND TRUE \read(systemActive) [L256] int tmp ; [L259] COND TRUE ! pumpRunning [L353] int retValue_acc ; [L354] int tmp ; [L355] int tmp___0 ; [L871] int retValue_acc ; [L874] COND TRUE waterLevel < 2 [L875] retValue_acc = 1 [L876] return (retValue_acc); [L359] tmp = isHighWaterSensorDry() [L361] COND TRUE \read(tmp) [L362] tmp___0 = 0 [L366] retValue_acc = tmp___0 [L367] return (retValue_acc); [L261] tmp = isHighWaterLevel() [L263] COND FALSE !(\read(tmp)) [L749] int tmp ; [L750] int tmp___0 ; [L751] int tmp___1 ; [L830] int retValue_acc ; [L833] retValue_acc = methaneLevelCritical [L834] return (retValue_acc); [L755] tmp = isMethaneLevelCritical() [L757] COND FALSE !(\read(tmp)) [L862] int retValue_acc ; [L865] retValue_acc = waterLevel [L866] return (retValue_acc); [L761] tmp___0 = getWaterLevel() [L763] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...