./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:43:00,028 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:43:00,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:43:00,036 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:43:00,036 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:43:00,037 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:43:00,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:43:00,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:43:00,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:43:00,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:43:00,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:43:00,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:43:00,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:43:00,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:43:00,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:43:00,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:43:00,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:43:00,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:43:00,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:43:00,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:43:00,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:43:00,050 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:43:00,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:43:00,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:43:00,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:43:00,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:43:00,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:43:00,055 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:43:00,055 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:43:00,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:43:00,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:43:00,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:43:00,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:43:00,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:43:00,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:43:00,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:43:00,059 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:43:00,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:43:00,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:43:00,079 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:43:00,079 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:43:00,079 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:43:00,079 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:43:00,079 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:43:00,079 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:43:00,079 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:43:00,079 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:43:00,080 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:43:00,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:43:00,080 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:43:00,080 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:43:00,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:43:00,082 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:43:00,083 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:43:00,083 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:43:00,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:43:00,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:43:00,083 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:43:00,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:43:00,083 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:43:00,083 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:43:00,084 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:43:00,084 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_da5b293b-369d-48ba-b2c7-94dab5d63248/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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2018-11-18 14:43:00,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:43:00,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:43:00,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:43:00,123 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:43:00,124 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:43:00,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-11-18 14:43:00,179 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/data/ad34a10f7/0cff1ef06b124088afc0706db16b6a0b/FLAG555f9b898 [2018-11-18 14:43:00,584 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:43:00,584 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-11-18 14:43:00,593 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/data/ad34a10f7/0cff1ef06b124088afc0706db16b6a0b/FLAG555f9b898 [2018-11-18 14:43:00,602 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/data/ad34a10f7/0cff1ef06b124088afc0706db16b6a0b [2018-11-18 14:43:00,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:43:00,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:43:00,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:43:00,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:43:00,610 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:43:00,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:43:00" (1/1) ... [2018-11-18 14:43:00,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:00, skipping insertion in model container [2018-11-18 14:43:00,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:43:00" (1/1) ... [2018-11-18 14:43:00,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:43:00,659 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:43:00,855 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:43:00,866 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:43:00,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:43:01,062 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:43:01,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01 WrapperNode [2018-11-18 14:43:01,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:43:01,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:43:01,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:43:01,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:43:01,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:43:01,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:43:01,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:43:01,148 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:43:01,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... [2018-11-18 14:43:01,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:43:01,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:43:01,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:43:01,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:43:01,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:43:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:43:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:43:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:43:01,921 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:43:01,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:01 BoogieIcfgContainer [2018-11-18 14:43:01,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:43:01,923 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:43:01,923 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:43:01,925 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:43:01,926 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:43:01,926 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:43:00" (1/3) ... [2018-11-18 14:43:01,926 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@245e9433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:43:01, skipping insertion in model container [2018-11-18 14:43:01,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:43:01,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:01" (2/3) ... [2018-11-18 14:43:01,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@245e9433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:43:01, skipping insertion in model container [2018-11-18 14:43:01,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:43:01,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:01" (3/3) ... [2018-11-18 14:43:01,930 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-11-18 14:43:01,965 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:43:01,965 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:43:01,966 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:43:01,966 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:43:01,966 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:43:01,966 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:43:01,966 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:43:01,966 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:43:01,966 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:43:01,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-18 14:43:02,002 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2018-11-18 14:43:02,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:02,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:02,010 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:02,010 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:02,011 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:43:02,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-18 14:43:02,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2018-11-18 14:43:02,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:02,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:02,017 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:02,017 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:02,022 INFO L794 eck$LassoCheckResult]: Stem: 76#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 42#L719true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 112#L712true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 47#L727true main_#t~ret61 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 23#L824true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 10#L800true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 53#L661true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 79#L597-3true [2018-11-18 14:43:02,023 INFO L796 eck$LassoCheckResult]: Loop: 79#L597-3true assume true; 74#L597-1true assume !false; 33#L598true assume test_~splverifierCounter~0 < 4; 6#L599true test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 17#L607true assume !(0 != test_~tmp~5); 15#L607-2true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 34#L617true assume !(0 != test_~tmp___0~1); 38#L617-2true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 88#L627true assume 0 != test_~tmp___2~0; 69#L633-2true assume { :begin_inline_timeShift } true; 57#L424true assume !(0 != ~pumpRunning~0); 60#L424-2true assume !(0 != ~systemActive~0); 4#L431-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 19#L882true __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 50#L672true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 55#L672-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 29#L441true assume { :end_inline_timeShift } true; 79#L597-3true [2018-11-18 14:43:02,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:02,028 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 14:43:02,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:02,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:02,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:02,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:02,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:02,225 INFO L82 PathProgramCache]: Analyzing trace with hash -2040845509, now seen corresponding path program 1 times [2018-11-18 14:43:02,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:02,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:02,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:02,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:02,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:02,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1518180210, now seen corresponding path program 1 times [2018-11-18 14:43:02,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:02,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:02,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:02,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:43:02,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:02,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:43:02,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:43:02,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:43:02,542 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 6 states. [2018-11-18 14:43:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:02,837 INFO L93 Difference]: Finished difference Result 285 states and 372 transitions. [2018-11-18 14:43:02,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:43:02,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 372 transitions. [2018-11-18 14:43:02,846 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 183 [2018-11-18 14:43:02,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 255 states and 342 transitions. [2018-11-18 14:43:02,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2018-11-18 14:43:02,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2018-11-18 14:43:02,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 342 transitions. [2018-11-18 14:43:02,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:02,857 INFO L705 BuchiCegarLoop]: Abstraction has 255 states and 342 transitions. [2018-11-18 14:43:02,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 342 transitions. [2018-11-18 14:43:02,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 159. [2018-11-18 14:43:02,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 14:43:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 213 transitions. [2018-11-18 14:43:02,893 INFO L728 BuchiCegarLoop]: Abstraction has 159 states and 213 transitions. [2018-11-18 14:43:02,893 INFO L608 BuchiCegarLoop]: Abstraction has 159 states and 213 transitions. [2018-11-18 14:43:02,893 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:43:02,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 213 transitions. [2018-11-18 14:43:02,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2018-11-18 14:43:02,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:02,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:02,896 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:02,896 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:02,897 INFO L794 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 437#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 438#L719 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 469#L712 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 477#L727 main_#t~ret61 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 448#L824 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 430#L800 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 431#L661 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 452#L597-3 [2018-11-18 14:43:02,897 INFO L796 eck$LassoCheckResult]: Loop: 452#L597-3 assume true; 501#L597-1 assume !false; 457#L598 assume test_~splverifierCounter~0 < 4; 426#L599 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 427#L607 assume !(0 != test_~tmp~5); 439#L607-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 440#L617 assume !(0 != test_~tmp___0~1); 459#L617-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 464#L627 assume 0 != test_~tmp___2~0; 494#L633-2 assume { :begin_inline_timeShift } true; 485#L424 assume !(0 != ~pumpRunning~0); 486#L424-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 489#L456 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 519#L448-1 assume { :end_inline_processEnvironment__wrappee__base } true; 473#L456-1 assume { :end_inline_processEnvironment } true; 421#L431-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 422#L882 __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 444#L672 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 419#L672-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 451#L441 assume { :end_inline_timeShift } true; 452#L597-3 [2018-11-18 14:43:02,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:02,897 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 14:43:02,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:02,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:02,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:02,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:02,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:02,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1932482854, now seen corresponding path program 1 times [2018-11-18 14:43:02,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:02,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:02,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,950 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:02,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:43:02,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:02,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:43:02,986 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:43:02,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:43:02,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:43:02,986 INFO L87 Difference]: Start difference. First operand 159 states and 213 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 14:43:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:03,064 INFO L93 Difference]: Finished difference Result 211 states and 272 transitions. [2018-11-18 14:43:03,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:43:03,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 272 transitions. [2018-11-18 14:43:03,071 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2018-11-18 14:43:03,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 272 transitions. [2018-11-18 14:43:03,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-11-18 14:43:03,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-11-18 14:43:03,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 272 transitions. [2018-11-18 14:43:03,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:03,074 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 272 transitions. [2018-11-18 14:43:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 272 transitions. [2018-11-18 14:43:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-18 14:43:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 14:43:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 272 transitions. [2018-11-18 14:43:03,096 INFO L728 BuchiCegarLoop]: Abstraction has 211 states and 272 transitions. [2018-11-18 14:43:03,096 INFO L608 BuchiCegarLoop]: Abstraction has 211 states and 272 transitions. [2018-11-18 14:43:03,096 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:43:03,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 272 transitions. [2018-11-18 14:43:03,098 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2018-11-18 14:43:03,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:03,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:03,100 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:03,100 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:03,100 INFO L794 eck$LassoCheckResult]: Stem: 890#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 813#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 814#L719 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 849#L712 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 856#L727 main_#t~ret61 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 826#L824 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 806#L800 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 807#L661 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 865#L597-3 [2018-11-18 14:43:03,101 INFO L796 eck$LassoCheckResult]: Loop: 865#L597-3 assume true; 970#L597-1 assume !false; 969#L598 assume test_~splverifierCounter~0 < 4; 802#L599 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 803#L607 assume !(0 != test_~tmp~5); 982#L607-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 980#L617 assume !(0 != test_~tmp___0~1); 978#L617-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 976#L627 assume 0 != test_~tmp___2~0; 975#L633-2 assume { :begin_inline_timeShift } true; 867#L424 assume !(0 != ~pumpRunning~0); 868#L424-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 914#L456 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 895#L922 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 896#L927 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 907#L558 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 908#L558-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 889#L564 processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 857#L460 assume !(0 != processEnvironment_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 858#L448 assume { :end_inline_processEnvironment__wrappee__base } true; 911#L456-1 assume { :end_inline_processEnvironment } true; 797#L431-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 798#L882 __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 860#L672 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 795#L672-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 866#L441 assume { :end_inline_timeShift } true; 865#L597-3 [2018-11-18 14:43:03,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:03,101 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 14:43:03,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:03,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:03,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:03,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:03,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:03,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:03,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1570644846, now seen corresponding path program 1 times [2018-11-18 14:43:03,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:03,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:03,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:03,265 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:03,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:03,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:03,282 INFO L82 PathProgramCache]: Analyzing trace with hash -2026076905, now seen corresponding path program 1 times [2018-11-18 14:43:03,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:03,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:03,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:03,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:03,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:03,521 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-11-18 14:43:45,894 WARN L180 SmtUtils]: Spent 42.33 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 14:43:57,882 WARN L180 SmtUtils]: Spent 11.98 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 14:43:57,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:43:57 BoogieIcfgContainer [2018-11-18 14:43:57,974 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:43:57,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:43:57,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:43:57,975 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:43:57,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:01" (3/4) ... [2018-11-18 14:43:57,978 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:43:58,041 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da5b293b-369d-48ba-b2c7-94dab5d63248/bin-2019/uautomizer/witness.graphml [2018-11-18 14:43:58,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:43:58,042 INFO L168 Benchmark]: Toolchain (without parser) took 57436.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 958.5 MB in the beginning and 805.5 MB in the end (delta: 152.9 MB). Peak memory consumption was 374.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,042 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:43:58,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,043 INFO L168 Benchmark]: Boogie Preprocessor took 29.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,043 INFO L168 Benchmark]: RCFGBuilder took 744.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,044 INFO L168 Benchmark]: BuchiAutomizer took 56051.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 811.1 MB in the end (delta: 250.1 MB). Peak memory consumption was 323.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,044 INFO L168 Benchmark]: Witness Printer took 66.43 ms. Allocated memory is still 1.3 GB. Free memory was 811.1 MB in the beginning and 805.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:43:58,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 455.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 744.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56051.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 811.1 MB in the end (delta: 250.1 MB). Peak memory consumption was 323.0 MB. Max. memory is 11.5 GB. * Witness Printer took 66.43 ms. Allocated memory is still 1.3 GB. Free memory was 811.1 MB in the beginning and 805.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 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 55.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 55.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 96 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: 297 SDtfs, 769 SDslu, 734 SDs, 0 SdLazy, 60 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 597]: 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, "Env(Water:%i"=0, "On"=0, "On"=35, "On"=0, ")"=33, ",Pump:"=0, "Env(Water:%i"=36, "Pump(System:"=29, retValue_acc=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d444f7f=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3653f5dd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76c6b4e2=0, tmp___0=0, retValue_acc=0, ",Meth:"=0, "OK"=0, tmp=0, "CRIT"=0, tmp___1=0, "__utac__get_this_argtype"=34, "__utac__get_this_arg"=15, "__utac__get_this_arg"=8, "libacc.c"=24, cleanupTimeShifts=4, "libacc.c"=39, "Off"=18, ") "=23, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, "OK"=16, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=0, retValue_acc=0, \result=0, ",Pump:"=19, "\n"=0, ") "=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, "\n"=22, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7714b8ce=0, "CRIT"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34dcae79=0, retValue_acc=1, "libacc.c"=28, ")"=0, tmp=1, tmp___2=155, retValue_acc=1, "i > 0 && i <= this->argsCount"=17, tmp___0=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65d6da8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a79f645=155, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d97d2d0=0, tmp=0, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=27, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=37, "libacc.c"=0, "libacc.c"=0, "On"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f723369=0, "Off"=0, ",Meth:"=20, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 597]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L518] FCALL "Pump(System:" [L522] FCALL "On" [L526] FCALL "Off" [L530] FCALL ",Pump:" [L534] FCALL "On" [L538] FCALL "Off" [L542] FCALL ") " [L544] FCALL "\n" [L891] FCALL "Env(Water:%i" [L892] FCALL ",Meth:" [L896] FCALL "CRIT" [L900] FCALL "OK" [L904] FCALL ")" [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int retValue_acc ; [L816] int tmp ; [L820] FCALL select_helpers() [L821] FCALL select_features() [L822] CALL, EXPR valid_product() [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] RET return (retValue_acc); [L822] EXPR valid_product() [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L826] FCALL setup() [L827] CALL runTest() [L808] CALL __utac_acc__Specification2_spec__1() [L660] RET methAndRunningLastTime = 0 [L808] __utac_acc__Specification2_spec__1() [L809] CALL test() [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 Loop: [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L642] CALL timeShift() [L424] COND FALSE !(\read(pumpRunning)) [L431] COND TRUE \read(systemActive) [L433] CALL processEnvironment() [L453] int tmp ; [L456] COND TRUE ! pumpRunning [L458] CALL, EXPR isHighWaterLevel() [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L556] CALL, EXPR isHighWaterSensorDry() [L919] int retValue_acc ; [L922] COND TRUE waterLevel < 2 [L923] retValue_acc = 1 [L924] RET return (retValue_acc); [L556] EXPR isHighWaterSensorDry() [L556] tmp = isHighWaterSensorDry() [L558] COND TRUE \read(tmp) [L559] tmp___0 = 0 [L563] retValue_acc = tmp___0 [L564] RET return (retValue_acc); [L458] EXPR isHighWaterLevel() [L458] tmp = isHighWaterLevel() [L460] COND FALSE !(\read(tmp)) [L466] RET, FCALL processEnvironment__wrappee__base() [L433] processEnvironment() [L439] CALL __utac_acc__Specification2_spec__2() [L665] int tmp ; [L666] int tmp___0 ; [L670] CALL, EXPR isMethaneLevelCritical() [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] RET return (retValue_acc); [L670] EXPR isMethaneLevelCritical() [L670] tmp = isMethaneLevelCritical() [L672] COND FALSE !(\read(tmp)) [L688] RET methAndRunningLastTime = 0 [L439] RET __utac_acc__Specification2_spec__2() [L642] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...