./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-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_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/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 4db9bf450928b08b5e696709772fc7741fcab5a5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:28:43,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:28:43,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:28:43,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:28:43,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:28:43,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:28:43,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:28:43,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:28:43,016 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:28:43,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:28:43,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:28:43,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:28:43,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:28:43,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:28:43,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:28:43,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:28:43,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:28:43,022 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:28:43,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:28:43,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:28:43,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:28:43,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:28:43,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:28:43,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:28:43,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:28:43,029 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:28:43,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:28:43,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:28:43,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:28:43,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:28:43,032 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:28:43,033 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:28:43,033 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:28:43,033 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:28:43,034 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:28:43,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:28:43,034 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:28:43,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:28:43,046 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:28:43,047 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:28:43,047 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:28:43,047 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:28:43,047 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:28:43,047 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:28:43,047 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:28:43,048 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:28:43,048 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:28:43,048 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:28:43,048 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:28:43,048 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:28:43,048 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:28:43,049 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:28:43,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:28:43,050 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:28:43,050 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:28:43,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:28:43,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:28:43,050 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:28:43,051 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:28:43,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:28:43,051 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:28:43,051 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:28:43,052 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:28:43,052 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_2f65628e-c9a7-491c-a5f4-d9361f9439b1/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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2018-11-18 11:28:43,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:28:43,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:28:43,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:28:43,089 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:28:43,089 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:28:43,090 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 11:28:43,133 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/data/c93f9a801/825966e70a2c40ebb7bfc04138d68254/FLAG765eb3c12 [2018-11-18 11:28:43,554 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:28:43,554 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 11:28:43,561 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/data/c93f9a801/825966e70a2c40ebb7bfc04138d68254/FLAG765eb3c12 [2018-11-18 11:28:43,570 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/data/c93f9a801/825966e70a2c40ebb7bfc04138d68254 [2018-11-18 11:28:43,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:28:43,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:28:43,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:28:43,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:28:43,577 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:28:43,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:43,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43, skipping insertion in model container [2018-11-18 11:28:43,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:43,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:28:43,623 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:28:43,836 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:28:43,845 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:28:43,954 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:28:43,976 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:28:43,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43 WrapperNode [2018-11-18 11:28:43,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:28:43,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:28:43,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:28:43,977 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:28:43,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:43,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:28:44,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:28:44,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:28:44,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:28:44,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... [2018-11-18 11:28:44,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:28:44,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:28:44,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:28:44,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:28:44,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/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 11:28:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:28:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:28:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:28:44,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:28:44,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:28:44 BoogieIcfgContainer [2018-11-18 11:28:44,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:28:44,978 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:28:44,978 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:28:44,980 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:28:44,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:28:44,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:28:43" (1/3) ... [2018-11-18 11:28:44,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@111ccec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:28:44, skipping insertion in model container [2018-11-18 11:28:44,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:28:44,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:43" (2/3) ... [2018-11-18 11:28:44,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@111ccec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:28:44, skipping insertion in model container [2018-11-18 11:28:44,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:28:44,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:28:44" (3/3) ... [2018-11-18 11:28:44,983 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-18 11:28:45,020 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:28:45,021 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:28:45,021 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:28:45,021 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:28:45,021 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:28:45,021 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:28:45,021 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:28:45,021 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:28:45,021 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:28:45,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 325 states. [2018-11-18 11:28:45,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2018-11-18 11:28:45,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:28:45,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:28:45,073 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,073 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,074 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:28:45,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 325 states. [2018-11-18 11:28:45,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2018-11-18 11:28:45,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:28:45,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:28:45,081 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,081 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,085 INFO L794 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 44];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 80];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 117];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 109];#memory_int := #memory_int[#t~string19.base,4 + #t~string19.offset := 112];#memory_int := #memory_int[#t~string19.base,5 + #t~string19.offset := 58];#memory_int := #memory_int[#t~string19.base,6 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 41];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 32];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 10];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 103#L1013true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L1006true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 269#L1021true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 87#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 26#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 255#L193-3true [2018-11-18 11:28:45,085 INFO L796 eck$LassoCheckResult]: Loop: 255#L193-3true assume true; 97#L193-1true assume !false; 204#L194true assume test_~splverifierCounter~0 < 4; 289#L195true test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 137#L203true assume !(0 != test_~tmp~2); 115#L203-2true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 61#L213true assume !(0 != test_~tmp___0~1); 32#L213-2true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 268#L223true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 261#L518true assume { :end_inline_startSystem } true; 100#L231-2true assume { :begin_inline_timeShift } true; 172#L266true assume !(0 != ~pumpRunning~0); 299#L266-2true assume !(0 != ~systemActive~0); 73#L273-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 109#L963true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 90#L163true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 88#L163-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 275#L283true assume { :end_inline_timeShift } true; 255#L193-3true [2018-11-18 11:28:45,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:28:45,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:45,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,250 INFO L82 PathProgramCache]: Analyzing trace with hash -374825933, now seen corresponding path program 1 times [2018-11-18 11:28:45,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:45,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:28:45,283 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 11:28:45,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:28:45,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:28:45,288 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:28:45,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:28:45,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:28:45,299 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2018-11-18 11:28:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:28:45,377 INFO L93 Difference]: Finished difference Result 635 states and 841 transitions. [2018-11-18 11:28:45,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:28:45,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 635 states and 841 transitions. [2018-11-18 11:28:45,386 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 420 [2018-11-18 11:28:45,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 635 states to 615 states and 820 transitions. [2018-11-18 11:28:45,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 615 [2018-11-18 11:28:45,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 615 [2018-11-18 11:28:45,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 615 states and 820 transitions. [2018-11-18 11:28:45,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:28:45,399 INFO L705 BuchiCegarLoop]: Abstraction has 615 states and 820 transitions. [2018-11-18 11:28:45,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states and 820 transitions. [2018-11-18 11:28:45,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 612. [2018-11-18 11:28:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-18 11:28:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 816 transitions. [2018-11-18 11:28:45,442 INFO L728 BuchiCegarLoop]: Abstraction has 612 states and 816 transitions. [2018-11-18 11:28:45,442 INFO L608 BuchiCegarLoop]: Abstraction has 612 states and 816 transitions. [2018-11-18 11:28:45,442 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:28:45,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 612 states and 816 transitions. [2018-11-18 11:28:45,446 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 417 [2018-11-18 11:28:45,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:28:45,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:28:45,447 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,447 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] [2018-11-18 11:28:45,447 INFO L794 eck$LassoCheckResult]: Stem: 1134#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 44];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 80];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 117];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 109];#memory_int := #memory_int[#t~string19.base,4 + #t~string19.offset := 112];#memory_int := #memory_int[#t~string19.base,5 + #t~string19.offset := 58];#memory_int := #memory_int[#t~string19.base,6 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 41];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 32];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 10];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 978#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 979#L1013 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 994#L1006 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 995#L1021 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1107#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1007#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1008#L193-3 [2018-11-18 11:28:45,448 INFO L796 eck$LassoCheckResult]: Loop: 1008#L193-3 assume true; 1124#L193-1 assume !false; 1125#L194 assume test_~splverifierCounter~0 < 4; 1345#L195 test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 1179#L203 assume !(0 != test_~tmp~2); 1097#L203-2 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 1062#L213 assume !(0 != test_~tmp___0~1); 981#L213-2 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 1016#L223 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet6;havoc test_#t~nondet6; 1132#L231 assume !(0 != test_~tmp___1~0); 1128#L231-2 assume { :begin_inline_timeShift } true; 1129#L266 assume !(0 != ~pumpRunning~0); 1226#L266-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1365#L350 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret11, isMethaneAlarm_~retValue_acc~1;havoc isMethaneAlarm_~retValue_acc~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 1282#L931 isMethaneAlarm_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~1 := isMethaneAlarm_#t~ret11;havoc isMethaneAlarm_#t~ret11;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~1; 1074#L411 processEnvironment_#t~ret9 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5 := processEnvironment_#t~ret9;havoc processEnvironment_#t~ret9; 1075#L354 assume 0 != processEnvironment_~tmp~5;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1206#L401-1 assume { :end_inline_deactivatePump } true; 1350#L350-1 assume { :end_inline_processEnvironment } true; 1349#L273-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1143#L963 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1144#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 1346#L163-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1304#L283 assume { :end_inline_timeShift } true; 1008#L193-3 [2018-11-18 11:28:45,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:28:45,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:45,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash 471316938, now seen corresponding path program 1 times [2018-11-18 11:28:45,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,513 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:28:45,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:28:45,542 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 11:28:45,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:28:45,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:28:45,542 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:28:45,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:28:45,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:28:45,543 INFO L87 Difference]: Start difference. First operand 612 states and 816 transitions. cyclomatic complexity: 207 Second operand 3 states. [2018-11-18 11:28:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:28:45,639 INFO L93 Difference]: Finished difference Result 632 states and 799 transitions. [2018-11-18 11:28:45,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:28:45,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 632 states and 799 transitions. [2018-11-18 11:28:45,645 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 443 [2018-11-18 11:28:45,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 632 states to 632 states and 799 transitions. [2018-11-18 11:28:45,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 632 [2018-11-18 11:28:45,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 632 [2018-11-18 11:28:45,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 632 states and 799 transitions. [2018-11-18 11:28:45,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:28:45,651 INFO L705 BuchiCegarLoop]: Abstraction has 632 states and 799 transitions. [2018-11-18 11:28:45,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states and 799 transitions. [2018-11-18 11:28:45,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2018-11-18 11:28:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-11-18 11:28:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 799 transitions. [2018-11-18 11:28:45,666 INFO L728 BuchiCegarLoop]: Abstraction has 632 states and 799 transitions. [2018-11-18 11:28:45,667 INFO L608 BuchiCegarLoop]: Abstraction has 632 states and 799 transitions. [2018-11-18 11:28:45,667 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:28:45,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 632 states and 799 transitions. [2018-11-18 11:28:45,670 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 443 [2018-11-18 11:28:45,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:28:45,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:28:45,671 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,671 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, 1, 1, 1, 1, 1] [2018-11-18 11:28:45,672 INFO L794 eck$LassoCheckResult]: Stem: 2349#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 44];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 80];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 117];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 109];#memory_int := #memory_int[#t~string19.base,4 + #t~string19.offset := 112];#memory_int := #memory_int[#t~string19.base,5 + #t~string19.offset := 58];#memory_int := #memory_int[#t~string19.base,6 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 41];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 32];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 10];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 2228#L1013 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2237#L1006 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 2238#L1021 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 2327#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 2243#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2244#L193-3 [2018-11-18 11:28:45,672 INFO L796 eck$LassoCheckResult]: Loop: 2244#L193-3 assume true; 2341#L193-1 assume !false; 2342#L194 assume test_~splverifierCounter~0 < 4; 2513#L195 test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 2390#L203 assume !(0 != test_~tmp~2); 2318#L203-2 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 2282#L213 assume !(0 != test_~tmp___0~1); 2230#L213-2 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 2490#L223 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2483#L518 assume { :end_inline_startSystem } true; 2484#L231-2 assume { :begin_inline_timeShift } true; 2430#L266 assume !(0 != ~pumpRunning~0); 2431#L266-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 2652#L350 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 2648#L324-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 2651#L298-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret28, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 2646#L971-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 2642#L976-3 isHighWaterLevel_#t~ret28 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret28;havoc isHighWaterLevel_#t~ret28; 2639#L469-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 2634#L469-11 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 2630#L475-3 processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; 2626#L302-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 2241#L290-6 assume { :end_inline_processEnvironment__wrappee__base } true; 2242#L298-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2478#L324-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2663#L350-1 assume { :end_inline_processEnvironment } true; 2302#L273-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 2303#L963 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 2662#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 2328#L163-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 2329#L283 assume { :end_inline_timeShift } true; 2244#L193-3 [2018-11-18 11:28:45,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:28:45,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:45,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash 844134517, now seen corresponding path program 1 times [2018-11-18 11:28:45,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,718 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:28:45,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:45,732 INFO L82 PathProgramCache]: Analyzing trace with hash 272149041, now seen corresponding path program 1 times [2018-11-18 11:28:45,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:28:45,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:28:45,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:45,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:28:45,925 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-18 11:29:22,994 WARN L180 SmtUtils]: Spent 37.00 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:29:44,559 WARN L180 SmtUtils]: Spent 21.56 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:29:44,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:29:44 BoogieIcfgContainer [2018-11-18 11:29:44,617 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:29:44,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:29:44,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:29:44,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:29:44,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:28:44" (3/4) ... [2018-11-18 11:29:44,620 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:29:44,668 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f65628e-c9a7-491c-a5f4-d9361f9439b1/bin-2019/uautomizer/witness.graphml [2018-11-18 11:29:44,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:29:44,669 INFO L168 Benchmark]: Toolchain (without parser) took 61096.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 956.6 MB in the beginning and 886.4 MB in the end (delta: 70.1 MB). Peak memory consumption was 231.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,670 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:29:44,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,670 INFO L168 Benchmark]: Boogie Preprocessor took 43.69 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,671 INFO L168 Benchmark]: RCFGBuilder took 894.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,671 INFO L168 Benchmark]: BuchiAutomizer took 59639.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.0 GB in the beginning and 891.1 MB in the end (delta: 119.1 MB). Peak memory consumption was 156.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,671 INFO L168 Benchmark]: Witness Printer took 50.88 ms. Allocated memory is still 1.2 GB. Free memory was 891.1 MB in the beginning and 886.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:44,673 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.69 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 894.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 59639.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.0 GB in the beginning and 891.1 MB in the end (delta: 119.1 MB). Peak memory consumption was 156.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.88 ms. Allocated memory is still 1.2 GB. Free memory was 891.1 MB in the beginning and 886.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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 3 locations. The remainder module has 632 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 59.2s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 632 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 734 SDtfs, 649 SDslu, 541 SDs, 0 SdLazy, 53 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 193]: 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 {"On"=23, NULL=0, "__utac__get_this_argtype"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b72a1af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@110f1308=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c7f4728=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@556efe9e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@658a4a3a=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "OK"=27, retValue_acc=1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@497d6515=0, tmp___0=0, tmp=0, retValue_acc=0, ",Meth:"=0, "Env(Water:%i"=0, ",Meth:"=8, tmp___1=0, "Off"=18, tmp___0=0, tmp=0, cleanupTimeShifts=4, ") "=17, "__utac__get_this_arg"=11, "__utac__get_this_arg"=39, "Off"=22, ") "=0, "Off"=0, "On"=0, "\n"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17f90547=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@398327ab=0, "libacc.c"=37, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d23d259=0, \result=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=35, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, head=0, pumpRunning=0, tmp=1, "libacc.c"=14, "i > 0 && i <= this->argsCount"=38, \result=0, "libacc.c"=40, "On"=19, ")"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0f1a49=0, ",Pump:"=0, "Env(Water:%i"=31, "CRIT"=0, "On"=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, \result=1, "i > 0 && i <= this->argsCount"=15, "libacc.c"=34, tmp=1, "OK"=0, ")"=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a742429=0, tmp=1, tmp___2=42, tmp___0=0, retValue_acc=1, splverifierCounter=0, "__utac__get_this_argtype"=0, "CRIT"=29, "__utac__get_this_argtype"=36, head=0, tmp=0, ",Pump:"=20, "\n"=16, "Pump(System:"=0, "__utac__get_this_argtype"=33, "Pump(System:"=24, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=12, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 193]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L429] FCALL "Pump(System:" [L433] FCALL "On" [L437] FCALL "Off" [L441] FCALL ",Pump:" [L445] FCALL "On" [L449] FCALL "Off" [L453] FCALL ") " [L455] FCALL "\n" [L819] FCALL "i > 0 && i <= this->argsCount" [L819] FCALL "libacc.c" [L820] FCALL "__utac__get_this_arg" [L826] FCALL "i > 0 && i <= this->argsCount" [L826] FCALL "libacc.c" [L827] FCALL "__utac__get_this_arg" [L865] FCALL "i > 0 && i <= this->argsCount" [L865] FCALL "libacc.c" [L866] FCALL "__utac__get_this_argtype" [L872] FCALL "i > 0 && i <= this->argsCount" [L872] FCALL "libacc.c" [L873] FCALL "__utac__get_this_argtype" [L940] FCALL "Env(Water:%i" [L941] FCALL ",Meth:" [L945] FCALL "CRIT" [L949] FCALL "OK" [L953] FCALL ")" [L40] int cleanupTimeShifts = 4; [L259] int pumpRunning = 0; [L260] int systemActive = 1; [L888] int waterLevel = 1; [L889] int methaneLevelCritical = 0; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L1017] int retValue_acc ; [L1020] retValue_acc = 1 [L1021] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L184] int splverifierCounter ; [L185] int tmp ; [L186] int tmp___0 ; [L187] int tmp___1 ; [L188] int tmp___2 ; [L191] splverifierCounter = 0 Loop: [L193] COND TRUE 1 [L195] COND TRUE splverifierCounter < 4 [L201] tmp = __VERIFIER_nondet_int() [L203] COND FALSE !(\read(tmp)) [L211] tmp___0 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___0)) [L221] tmp___2 = __VERIFIER_nondet_int() [L223] COND TRUE \read(tmp___2) [L225] CALL startSystem() [L517] RET systemActive = 1 [L225] startSystem() [L240] CALL timeShift() [L266] COND FALSE !(\read(pumpRunning)) [L273] COND TRUE \read(systemActive) [L275] CALL processEnvironment() [L347] int tmp ; [L350] COND FALSE !(\read(pumpRunning)) [L365] CALL processEnvironment__wrappee__methaneQuery() [L321] int tmp ; [L324] COND FALSE !(\read(pumpRunning)) [L339] CALL processEnvironment__wrappee__highWaterSensor() [L295] int tmp ; [L298] COND TRUE ! pumpRunning [L300] CALL, EXPR isHighWaterLevel() [L461] int retValue_acc ; [L462] int tmp ; [L463] int tmp___0 ; [L467] CALL, EXPR isHighWaterSensorDry() [L968] int retValue_acc ; [L971] COND TRUE waterLevel < 2 [L972] retValue_acc = 1 [L973] RET return (retValue_acc); [L467] EXPR isHighWaterSensorDry() [L467] tmp = isHighWaterSensorDry() [L469] COND TRUE \read(tmp) [L470] tmp___0 = 0 [L474] retValue_acc = tmp___0 [L475] RET return (retValue_acc); [L300] EXPR isHighWaterLevel() [L300] tmp = isHighWaterLevel() [L302] COND FALSE !(\read(tmp)) [L308] RET, FCALL processEnvironment__wrappee__base() [L339] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment__wrappee__methaneQuery() [L275] processEnvironment() [L281] CALL __utac_acc__Specification4_spec__1() [L156] int tmp ; [L157] int tmp___0 ; [L161] CALL, EXPR getWaterLevel() [L959] int retValue_acc ; [L962] retValue_acc = waterLevel [L963] RET return (retValue_acc); [L161] EXPR getWaterLevel() [L161] tmp = getWaterLevel() [L163] COND FALSE, RET !(tmp == 0) [L281] RET __utac_acc__Specification4_spec__1() [L240] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...