./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_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_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/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 d3ebf7e0857ea2577a0261191567e6475555f928 .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-09 00:42:34,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:42:34,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:42:35,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:42:35,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:42:35,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:42:35,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:42:35,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:42:35,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:42:35,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:42:35,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:42:35,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:42:35,009 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:42:35,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:42:35,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:42:35,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:42:35,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:42:35,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:42:35,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:42:35,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:42:35,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:42:35,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:42:35,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:42:35,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:42:35,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:42:35,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:42:35,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:42:35,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:42:35,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:42:35,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:42:35,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:42:35,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:42:35,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:42:35,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:42:35,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:42:35,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:42:35,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 00:42:35,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:42:35,028 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:42:35,029 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:42:35,029 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:42:35,029 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:42:35,029 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 00:42:35,029 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 00:42:35,029 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 00:42:35,030 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 00:42:35,030 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 00:42:35,030 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 00:42:35,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:42:35,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:42:35,030 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 00:42:35,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:42:35,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:42:35,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:42:35,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 00:42:35,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 00:42:35,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 00:42:35,031 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:42:35,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:42:35,032 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 00:42:35,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:42:35,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 00:42:35,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:42:35,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:42:35,032 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 00:42:35,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:42:35,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:42:35,033 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 00:42:35,034 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 00:42:35,034 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_e3c4e9b7-ab38-4141-8464-96ab150503f5/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-12-09 00:42:35,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:42:35,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:42:35,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:42:35,066 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:42:35,066 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:42:35,067 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 00:42:35,101 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/data/06adddaa7/684b8978269d43b79bd3a2437bca0433/FLAG28b907d6f [2018-12-09 00:42:35,452 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:42:35,453 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 00:42:35,459 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/data/06adddaa7/684b8978269d43b79bd3a2437bca0433/FLAG28b907d6f [2018-12-09 00:42:35,823 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/data/06adddaa7/684b8978269d43b79bd3a2437bca0433 [2018-12-09 00:42:35,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:42:35,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:42:35,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:42:35,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:42:35,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:42:35,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:35" (1/1) ... [2018-12-09 00:42:35,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168f5904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:35, skipping insertion in model container [2018-12-09 00:42:35,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:42:35" (1/1) ... [2018-12-09 00:42:35,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:42:35,856 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:42:36,001 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:42:36,010 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:42:36,097 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:42:36,112 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:42:36,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36 WrapperNode [2018-12-09 00:42:36,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:42:36,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:42:36,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:42:36,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:42:36,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:42:36,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:42:36,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:42:36,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:42:36,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... [2018-12-09 00:42:36,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:42:36,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:42:36,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:42:36,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:42:36,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/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 [2018-12-09 00:42:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:42:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:42:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:42:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:42:36,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:42:36,604 INFO L280 CfgBuilder]: Removed 198 assue(true) statements. [2018-12-09 00:42:36,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:36 BoogieIcfgContainer [2018-12-09 00:42:36,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:42:36,605 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 00:42:36,605 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 00:42:36,608 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 00:42:36,608 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 00:42:36,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 12:42:35" (1/3) ... [2018-12-09 00:42:36,609 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3760aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 12:42:36, skipping insertion in model container [2018-12-09 00:42:36,609 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 00:42:36,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:42:36" (2/3) ... [2018-12-09 00:42:36,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3760aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 12:42:36, skipping insertion in model container [2018-12-09 00:42:36,610 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 00:42:36,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:36" (3/3) ... [2018-12-09 00:42:36,611 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 00:42:36,648 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:42:36,648 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 00:42:36,648 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 00:42:36,648 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 00:42:36,648 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:42:36,648 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:42:36,648 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 00:42:36,648 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:42:36,648 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 00:42:36,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2018-12-09 00:42:36,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2018-12-09 00:42:36,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:42:36,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:42:36,688 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:36,688 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:36,688 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 00:42:36,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2018-12-09 00:42:36,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2018-12-09 00:42:36,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:42:36,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:42:36,695 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:36,695 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:36,698 INFO L794 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 8#L-1true havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 119#L74true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 114#L82true main_#t~ret38 := valid_product_#res;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 24#L582true assume 0 != main_~tmp~4; 28#L557true ~methAndRunningLastTime~0 := 0; 13#L461true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L472-1true [2018-12-09 00:42:36,698 INFO L796 eck$LassoCheckResult]: Loop: 14#L472-1true assume !false; 15#L918true assume test_~splverifierCounter~0 < 4; 113#L919true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 128#L927true assume !(0 != test_~tmp~9); 121#L927-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 19#L937true assume !(0 != test_~tmp___0~2); 21#L937-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 76#L947true assume 0 != test_~tmp___2~0; 47#L953-1true assume !(0 != ~pumpRunning~0); 126#L704true assume !(0 != ~systemActive~0); 40#L711true havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 6#L643-3true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 12#L472true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 14#L472-1true [2018-12-09 00:42:36,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:36,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-09 00:42:36,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:36,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:36,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:36,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:36,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:36,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash 13558355, now seen corresponding path program 1 times [2018-12-09 00:42:36,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:36,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:36,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:36,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:36,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:36,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:36,845 INFO L82 PathProgramCache]: Analyzing trace with hash 846854861, now seen corresponding path program 1 times [2018-12-09 00:42:36,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:36,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:36,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:36,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:36,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:42:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:42:36,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:42:36,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:42:36,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:42:36,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:42:36,997 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 6 states. [2018-12-09 00:42:37,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:42:37,108 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2018-12-09 00:42:37,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:42:37,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 445 transitions. [2018-12-09 00:42:37,117 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 199 [2018-12-09 00:42:37,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 289 states and 424 transitions. [2018-12-09 00:42:37,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 289 [2018-12-09 00:42:37,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 289 [2018-12-09 00:42:37,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 289 states and 424 transitions. [2018-12-09 00:42:37,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 00:42:37,128 INFO L705 BuchiCegarLoop]: Abstraction has 289 states and 424 transitions. [2018-12-09 00:42:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states and 424 transitions. [2018-12-09 00:42:37,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 169. [2018-12-09 00:42:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-12-09 00:42:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 247 transitions. [2018-12-09 00:42:37,162 INFO L728 BuchiCegarLoop]: Abstraction has 169 states and 247 transitions. [2018-12-09 00:42:37,162 INFO L608 BuchiCegarLoop]: Abstraction has 169 states and 247 transitions. [2018-12-09 00:42:37,162 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 00:42:37,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 247 transitions. [2018-12-09 00:42:37,164 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2018-12-09 00:42:37,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:42:37,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:42:37,164 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:37,164 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:37,165 INFO L794 eck$LassoCheckResult]: Stem: 575#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 470#L-1 havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 471#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 581#L82 main_#t~ret38 := valid_product_#res;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 500#L582 assume 0 != main_~tmp~4; 501#L557 ~methAndRunningLastTime~0 := 0; 480#L461 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 479#L472-1 [2018-12-09 00:42:37,165 INFO L796 eck$LassoCheckResult]: Loop: 479#L472-1 assume !false; 481#L918 assume test_~splverifierCounter~0 < 4; 482#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 580#L927 assume !(0 != test_~tmp~9); 487#L927-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 488#L937 assume !(0 != test_~tmp___0~2); 490#L937-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 494#L947 assume 0 != test_~tmp___2~0; 530#L953-1 assume !(0 != ~pumpRunning~0); 533#L704 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 585#L762 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 508#L736-1 assume !(0 == ~pumpRunning~0); 506#L711 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 466#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 467#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 479#L472-1 [2018-12-09 00:42:37,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:37,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-09 00:42:37,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:37,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:37,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:37,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:37,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1359357845, now seen corresponding path program 1 times [2018-12-09 00:42:37,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:37,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:37,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,197 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 00:42:37,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:42:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:42:37,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:42:37,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:42:37,208 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 00:42:37,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:42:37,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:42:37,209 INFO L87 Difference]: Start difference. First operand 169 states and 247 transitions. cyclomatic complexity: 81 Second operand 3 states. [2018-12-09 00:42:37,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:42:37,267 INFO L93 Difference]: Finished difference Result 211 states and 293 transitions. [2018-12-09 00:42:37,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:42:37,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 293 transitions. [2018-12-09 00:42:37,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-12-09 00:42:37,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 293 transitions. [2018-12-09 00:42:37,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-12-09 00:42:37,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-12-09 00:42:37,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 293 transitions. [2018-12-09 00:42:37,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 00:42:37,273 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 293 transitions. [2018-12-09 00:42:37,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 293 transitions. [2018-12-09 00:42:37,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-12-09 00:42:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-12-09 00:42:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 293 transitions. [2018-12-09 00:42:37,281 INFO L728 BuchiCegarLoop]: Abstraction has 211 states and 293 transitions. [2018-12-09 00:42:37,281 INFO L608 BuchiCegarLoop]: Abstraction has 211 states and 293 transitions. [2018-12-09 00:42:37,281 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 00:42:37,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 293 transitions. [2018-12-09 00:42:37,283 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-12-09 00:42:37,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:42:37,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:42:37,284 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:42:37,284 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] [2018-12-09 00:42:37,284 INFO L794 eck$LassoCheckResult]: Stem: 973#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 856#L-1 havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 857#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 982#L82 main_#t~ret38 := valid_product_#res;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 888#L582 assume 0 != main_~tmp~4; 889#L557 ~methAndRunningLastTime~0 := 0; 867#L461 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 868#L472-1 [2018-12-09 00:42:37,285 INFO L796 eck$LassoCheckResult]: Loop: 868#L472-1 assume !false; 1049#L918 assume test_~splverifierCounter~0 < 4; 980#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 981#L927 assume !(0 != test_~tmp~9); 875#L927-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 876#L937 assume !(0 != test_~tmp___0~2); 878#L937-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 882#L947 assume 0 != test_~tmp___2~0; 923#L953-1 assume !(0 != ~pumpRunning~0); 990#L704 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 988#L762 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 896#L736-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 897#L683-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 959#L688-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 955#L881-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 956#L881-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 933#L887-1 processEnvironment__wrappee__methaneQuery_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret49;havoc processEnvironment__wrappee__methaneQuery_#t~ret49; 934#L740-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5); 904#L711 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1054#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 1052#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 868#L472-1 [2018-12-09 00:42:37,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:37,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-09 00:42:37,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:37,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:37,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:37,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:37,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1072211743, now seen corresponding path program 1 times [2018-12-09 00:42:37,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:37,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:37,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,325 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 00:42:37,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:42:37,335 INFO L82 PathProgramCache]: Analyzing trace with hash 700929883, now seen corresponding path program 1 times [2018-12-09 00:42:37,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:42:37,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:42:37,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:42:37,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:42:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:42:39,716 WARN L180 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-09 00:42:40,883 WARN L180 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-09 00:42:40,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 12:42:40 BoogieIcfgContainer [2018-12-09 00:42:40,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 00:42:40,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:42:40,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:42:40,915 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:42:40,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:42:36" (3/4) ... [2018-12-09 00:42:40,918 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 00:42:40,953 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3c4e9b7-ab38-4141-8464-96ab150503f5/bin-2019/uautomizer/witness.graphml [2018-12-09 00:42:40,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:42:40,954 INFO L168 Benchmark]: Toolchain (without parser) took 5128.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 892.5 MB in the end (delta: 58.2 MB). Peak memory consumption was 202.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:40,954 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:42:40,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -117.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:40,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.03 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:40,955 INFO L168 Benchmark]: Boogie Preprocessor took 30.15 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. [2018-12-09 00:42:40,955 INFO L168 Benchmark]: RCFGBuilder took 410.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:40,955 INFO L168 Benchmark]: BuchiAutomizer took 4309.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 996.0 MB in the beginning and 898.0 MB in the end (delta: 98.0 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:40,955 INFO L168 Benchmark]: Witness Printer took 38.36 ms. Allocated memory is still 1.2 GB. Free memory was 898.0 MB in the beginning and 892.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:42:40,956 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -117.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.03 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.15 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 410.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4309.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 996.0 MB in the beginning and 898.0 MB in the end (delta: 98.0 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. * Witness Printer took 38.36 ms. Allocated memory is still 1.2 GB. Free memory was 898.0 MB in the beginning and 892.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 120 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 211 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 354 SDtfs, 1034 SDslu, 803 SDs, 0 SdLazy, 69 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 917]: 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=0, NULL=0, NULL=33, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6499a81f=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=15, NULL=22, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ba1e2e0=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f2cbed=0, NULL=0, NULL=39, NULL=0, NULL=29, tmp___1=0, tmp=0, NULL=35, NULL=8, NULL=26, NULL=12, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e34e4c8=0, NULL=38, NULL=23, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=36, retValue_acc=0, \result=0, NULL=31, NULL=0, NULL=28, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, \result=0, NULL=34, tmp=1, NULL=0, NULL=20, NULL=0, \result=1, NULL=27, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3db2bd98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@174c3132=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65b8e89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16cf7c74=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42e0c56f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542b3e97=0, NULL=19, retValue_acc=0, retValue_acc=1, tmp=1, tmp___2=56, tmp___0=0, NULL=16, splverifierCounter=0, methAndRunningLastTime=0, \result=0, head=0, NULL=0, NULL=24, NULL=0, NULL=11, tmp=0, NULL=0, NULL=37, NULL=0, NULL=0, NULL=14, NULL=17, NULL=18, NULL=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int methAndRunningLastTime ; [L494] int cleanupTimeShifts = 4; [L600] int waterLevel = 1; [L601] int methaneLevelCritical = 0; [L697] int pumpRunning = 0; [L698] int systemActive = 1; [L573] int retValue_acc ; [L574] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L580] tmp = valid_product() [L582] COND TRUE \read(tmp) [L460] methAndRunningLastTime = 0 [L908] int splverifierCounter ; [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L912] int tmp___2 ; [L915] splverifierCounter = 0 Loop: [L917] COND TRUE 1 [L919] COND TRUE splverifierCounter < 4 [L925] tmp = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp)) [L935] tmp___0 = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp___0)) [L945] tmp___2 = __VERIFIER_nondet_int() [L947] COND TRUE \read(tmp___2) [L704] COND FALSE !(\read(pumpRunning)) [L711] COND TRUE \read(systemActive) [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L733] int tmp ; [L736] COND TRUE ! pumpRunning [L873] int retValue_acc ; [L874] int tmp ; [L875] int tmp___0 ; [L680] int retValue_acc ; [L683] COND TRUE waterLevel < 2 [L684] retValue_acc = 1 [L685] return (retValue_acc); [L879] tmp = isHighWaterSensorDry() [L881] COND TRUE \read(tmp) [L882] tmp___0 = 0 [L886] retValue_acc = tmp___0 [L887] return (retValue_acc); [L738] tmp = isHighWaterLevel() [L740] COND FALSE !(\read(tmp)) [L465] int tmp ; [L466] int tmp___0 ; [L639] int retValue_acc ; [L642] retValue_acc = methaneLevelCritical [L643] return (retValue_acc); [L470] tmp = isMethaneLevelCritical() [L472] COND FALSE !(\read(tmp)) [L488] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...