./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61_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_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/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 0997f7b4913388226e163b59383b8166cd33b05b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:59:37,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:59:37,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:59:37,014 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:59:37,015 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:59:37,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:59:37,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:59:37,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:59:37,018 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:59:37,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:59:37,019 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:59:37,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:59:37,020 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:59:37,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:59:37,022 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:59:37,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:59:37,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:59:37,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:59:37,025 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:59:37,026 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:59:37,027 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:59:37,028 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:59:37,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:59:37,030 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:59:37,030 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:59:37,031 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:59:37,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:59:37,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:59:37,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:59:37,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:59:37,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:59:37,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:59:37,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:59:37,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:59:37,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:59:37,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:59:37,035 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:59:37,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:59:37,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:59:37,045 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:59:37,045 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:59:37,045 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:59:37,045 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:59:37,045 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:59:37,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:59:37,046 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:59:37,047 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:59:37,048 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:59:37,048 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:59:37,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:59:37,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:59:37,048 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:59:37,048 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:59:37,048 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:59:37,048 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:59:37,049 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:59:37,049 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:59:37,049 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_8d1146fa-2f76-44d1-a90e-df95acf1a0db/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 -> 0997f7b4913388226e163b59383b8166cd33b05b [2018-11-18 11:59:37,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:59:37,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:59:37,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:59:37,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:59:37,087 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:59:37,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-11-18 11:59:37,132 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/data/050ade941/3c40f8dded224738a91bba4455000ea0/FLAG77abe10e2 [2018-11-18 11:59:37,581 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:59:37,581 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/sv-benchmarks/c/product-lines/minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-11-18 11:59:37,590 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/data/050ade941/3c40f8dded224738a91bba4455000ea0/FLAG77abe10e2 [2018-11-18 11:59:37,600 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/data/050ade941/3c40f8dded224738a91bba4455000ea0 [2018-11-18 11:59:37,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:59:37,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:59:37,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:37,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:59:37,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:59:37,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:37,609 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 11:59:37, skipping insertion in model container [2018-11-18 11:59:37,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:37,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:59:37,645 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:59:37,837 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:37,846 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:59:37,953 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:37,972 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:59:37,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37 WrapperNode [2018-11-18 11:59:37,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:37,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:59:37,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:59:37,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:59:37,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:37,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:59:38,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:59:38,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:59:38,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:59:38,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... [2018-11-18 11:59:38,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:59:38,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:59:38,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:59:38,078 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:59:38,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/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 11:59:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:59:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:59:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:59:38,911 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:59:38,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:38 BoogieIcfgContainer [2018-11-18 11:59:38,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:59:38,912 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:59:38,912 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:59:38,914 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:59:38,915 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:59:38,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:59:37" (1/3) ... [2018-11-18 11:59:38,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49872ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:59:38, skipping insertion in model container [2018-11-18 11:59:38,916 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:59:38,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:37" (2/3) ... [2018-11-18 11:59:38,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49872ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:59:38, skipping insertion in model container [2018-11-18 11:59:38,916 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:59:38,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:38" (3/3) ... [2018-11-18 11:59:38,918 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product61_true-unreach-call_false-termination.cil.c [2018-11-18 11:59:38,950 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:59:38,950 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:59:38,950 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:59:38,951 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:59:38,951 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:59:38,951 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:59:38,951 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:59:38,951 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:59:38,951 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:59:38,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 326 states. [2018-11-18 11:59:38,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 214 [2018-11-18 11:59:38,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:38,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:39,001 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:39,001 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 11:59:39,001 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:59:39,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 326 states. [2018-11-18 11:59:39,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 214 [2018-11-18 11:59:39,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:39,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:39,010 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:39,010 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 11:59:39,015 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 92#L627true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 55#L620true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 325#L635true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret37;havoc main_#t~ret37; 219#L557true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 269#L531true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 118#L54-3true [2018-11-18 11:59:39,015 INFO L796 eck$LassoCheckResult]: Loop: 118#L54-3true assume true; 21#L54-1true assume !false; 70#L55true assume test_~splverifierCounter~0 < 4; 230#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 57#L64true assume !(0 != test_~tmp~0); 52#L64-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 292#L74true assume !(0 != test_~tmp___0~0); 263#L74-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 162#L84true assume 0 != test_~tmp___2~0; 326#L90-2true assume { :begin_inline_timeShift } true; 88#L126true assume !(0 != ~pumpRunning~0); 81#L126-2true assume !(0 != ~systemActive~0); 234#L133-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_#t~ret40, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 186#L403-5true __utac_acc__Specification3_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 308#L580true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 268#L586-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 66#L143true assume { :end_inline_timeShift } true; 118#L54-3true [2018-11-18 11:59:39,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:59:39,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:39,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,190 INFO L82 PathProgramCache]: Analyzing trace with hash 195408645, now seen corresponding path program 1 times [2018-11-18 11:59:39,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:39,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,204 INFO L82 PathProgramCache]: Analyzing trace with hash -736272959, now seen corresponding path program 1 times [2018-11-18 11:59:39,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:39,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:39,321 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 11:59:39,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:39,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:59:39,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:59:39,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:59:39,407 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 6 states. [2018-11-18 11:59:39,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:39,552 INFO L93 Difference]: Finished difference Result 323 states and 426 transitions. [2018-11-18 11:59:39,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:59:39,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 323 states and 426 transitions. [2018-11-18 11:59:39,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2018-11-18 11:59:39,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 323 states to 313 states and 416 transitions. [2018-11-18 11:59:39,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 313 [2018-11-18 11:59:39,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 313 [2018-11-18 11:59:39,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 313 states and 416 transitions. [2018-11-18 11:59:39,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:59:39,568 INFO L705 BuchiCegarLoop]: Abstraction has 313 states and 416 transitions. [2018-11-18 11:59:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states and 416 transitions. [2018-11-18 11:59:39,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-11-18 11:59:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-11-18 11:59:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2018-11-18 11:59:39,606 INFO L728 BuchiCegarLoop]: Abstraction has 313 states and 416 transitions. [2018-11-18 11:59:39,606 INFO L608 BuchiCegarLoop]: Abstraction has 313 states and 416 transitions. [2018-11-18 11:59:39,606 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:59:39,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 416 transitions. [2018-11-18 11:59:39,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2018-11-18 11:59:39,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:39,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:39,609 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:39,609 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] [2018-11-18 11:59:39,610 INFO L794 eck$LassoCheckResult]: Stem: 783#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 693#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 694#L627 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 764#L620 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 765#L635 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret37;havoc main_#t~ret37; 949#L557 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 950#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 780#L54-3 [2018-11-18 11:59:39,610 INFO L796 eck$LassoCheckResult]: Loop: 780#L54-3 assume true; 701#L54-1 assume !false; 702#L55 assume test_~splverifierCounter~0 < 4; 786#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 766#L64 assume !(0 != test_~tmp~0); 756#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 757#L74 assume !(0 != test_~tmp___0~0); 834#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 892#L84 assume 0 != test_~tmp___2~0; 893#L90-2 assume { :begin_inline_timeShift } true; 809#L126 assume !(0 != ~pumpRunning~0); 800#L126-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 801#L210 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret8, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 926#L403 isMethaneAlarm_#t~ret8 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret8;havoc isMethaneAlarm_#t~ret8;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; 911#L271 processEnvironment_#t~ret6 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret6;havoc processEnvironment_#t~ret6; 856#L214 assume 0 != processEnvironment_~tmp~3;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 857#L261 assume { :end_inline_deactivatePump } true; 951#L210-1 assume { :end_inline_processEnvironment } true; 952#L133-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_#t~ret40, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 914#L403-5 __utac_acc__Specification3_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 915#L580 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 947#L586-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 779#L143 assume { :end_inline_timeShift } true; 780#L54-3 [2018-11-18 11:59:39,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:59:39,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:39,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,658 INFO L82 PathProgramCache]: Analyzing trace with hash 502379438, now seen corresponding path program 1 times [2018-11-18 11:59:39,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,659 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:59:39,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:39,677 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 11:59:39,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:39,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:59:39,678 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:59:39,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:59:39,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:39,679 INFO L87 Difference]: Start difference. First operand 313 states and 416 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-11-18 11:59:39,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:39,803 INFO L93 Difference]: Finished difference Result 328 states and 414 transitions. [2018-11-18 11:59:39,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:59:39,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 414 transitions. [2018-11-18 11:59:39,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 226 [2018-11-18 11:59:39,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 414 transitions. [2018-11-18 11:59:39,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 328 [2018-11-18 11:59:39,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 328 [2018-11-18 11:59:39,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 414 transitions. [2018-11-18 11:59:39,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:59:39,811 INFO L705 BuchiCegarLoop]: Abstraction has 328 states and 414 transitions. [2018-11-18 11:59:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 414 transitions. [2018-11-18 11:59:39,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-11-18 11:59:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-11-18 11:59:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 414 transitions. [2018-11-18 11:59:39,822 INFO L728 BuchiCegarLoop]: Abstraction has 328 states and 414 transitions. [2018-11-18 11:59:39,822 INFO L608 BuchiCegarLoop]: Abstraction has 328 states and 414 transitions. [2018-11-18 11:59:39,822 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:59:39,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states and 414 transitions. [2018-11-18 11:59:39,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 226 [2018-11-18 11:59:39,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:39,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:39,825 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:39,825 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] [2018-11-18 11:59:39,825 INFO L794 eck$LassoCheckResult]: Stem: 1403#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1333#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1334#L627 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1389#L620 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 1390#L635 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret37;havoc main_#t~ret37; 1543#L557 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1544#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1402#L54-3 [2018-11-18 11:59:39,826 INFO L796 eck$LassoCheckResult]: Loop: 1402#L54-3 assume true; 1337#L54-1 assume !false; 1338#L55 assume test_~splverifierCounter~0 < 4; 1406#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1391#L64 assume !(0 != test_~tmp~0); 1381#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1382#L74 assume !(0 != test_~tmp___0~0); 1449#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1497#L84 assume 0 != test_~tmp___2~0; 1498#L90-2 assume { :begin_inline_timeShift } true; 1427#L126 assume !(0 != ~pumpRunning~0); 1428#L126-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1548#L210 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 1549#L184-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1378#L158-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1379#L443-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1569#L448-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1327#L329-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 1328#L329-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1456#L335-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1457#L162-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1486#L150-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1371#L158-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1375#L184-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1545#L210-1 assume { :end_inline_processEnvironment } true; 1546#L133-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_#t~ret40, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 1515#L403-5 __utac_acc__Specification3_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 1516#L580 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 1541#L586-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1401#L143 assume { :end_inline_timeShift } true; 1402#L54-3 [2018-11-18 11:59:39,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:59:39,826 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:39,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,861 INFO L82 PathProgramCache]: Analyzing trace with hash -233487366, now seen corresponding path program 1 times [2018-11-18 11:59:39,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,863 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:59:39,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:39,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:39,872 INFO L82 PathProgramCache]: Analyzing trace with hash 163703486, now seen corresponding path program 1 times [2018-11-18 11:59:39,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:39,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:39,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:39,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:39,942 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 11:59:39,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:39,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:59:40,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:59:40,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:59:40,080 INFO L87 Difference]: Start difference. First operand 328 states and 414 transitions. cyclomatic complexity: 88 Second operand 5 states. [2018-11-18 11:59:40,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:40,313 INFO L93 Difference]: Finished difference Result 1126 states and 1416 transitions. [2018-11-18 11:59:40,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:59:40,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1126 states and 1416 transitions. [2018-11-18 11:59:40,320 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 805 [2018-11-18 11:59:40,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1126 states to 1126 states and 1416 transitions. [2018-11-18 11:59:40,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1126 [2018-11-18 11:59:40,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1126 [2018-11-18 11:59:40,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1126 states and 1416 transitions. [2018-11-18 11:59:40,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:59:40,329 INFO L705 BuchiCegarLoop]: Abstraction has 1126 states and 1416 transitions. [2018-11-18 11:59:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states and 1416 transitions. [2018-11-18 11:59:40,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 649. [2018-11-18 11:59:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-11-18 11:59:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 813 transitions. [2018-11-18 11:59:40,348 INFO L728 BuchiCegarLoop]: Abstraction has 649 states and 813 transitions. [2018-11-18 11:59:40,348 INFO L608 BuchiCegarLoop]: Abstraction has 649 states and 813 transitions. [2018-11-18 11:59:40,348 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 11:59:40,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 649 states and 813 transitions. [2018-11-18 11:59:40,351 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 452 [2018-11-18 11:59:40,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:59:40,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:59:40,352 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:40,352 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, 1] [2018-11-18 11:59:40,352 INFO L794 eck$LassoCheckResult]: Stem: 2875#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2804#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 2805#L627 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2861#L620 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 2862#L635 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret37;havoc main_#t~ret37; 3021#L557 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 3022#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3061#L54-3 [2018-11-18 11:59:40,352 INFO L796 eck$LassoCheckResult]: Loop: 3061#L54-3 assume true; 3265#L54-1 assume !false; 3264#L55 assume test_~splverifierCounter~0 < 4; 3037#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 2863#L64 assume !(0 != test_~tmp~0); 2852#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 3074#L74 assume !(0 != test_~tmp___0~0); 2923#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 2973#L84 assume 0 != test_~tmp___2~0; 2974#L90-2 assume { :begin_inline_timeShift } true; 2901#L126 assume !(0 != ~pumpRunning~0); 2892#L126-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 2893#L210 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 3026#L184-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 2849#L158-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 2850#L443-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 3054#L448-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 2798#L329-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 2799#L329-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 2931#L335-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 2932#L162-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2960#L150-6 assume { :end_inline_processEnvironment__wrappee__base } true; 2842#L158-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2846#L184-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3023#L210-1 assume { :end_inline_processEnvironment } true; 3024#L133-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_#t~ret40, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 2990#L403-5 __utac_acc__Specification3_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 2991#L580 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 2867#L435 __utac_acc__Specification3_spec__1_#t~ret39 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; 2868#L586 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 3018#L586-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3060#L143 assume { :end_inline_timeShift } true; 3061#L54-3 [2018-11-18 11:59:40,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:40,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 11:59:40,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:40,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:40,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:40,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:40,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:40,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:40,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1041800467, now seen corresponding path program 1 times [2018-11-18 11:59:40,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:40,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:40,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:40,395 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:59:40,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:40,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:40,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1593481039, now seen corresponding path program 1 times [2018-11-18 11:59:40,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:40,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:40,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:40,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:40,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:59:40,552 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-18 12:00:49,629 WARN L180 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:01:24,356 WARN L180 SmtUtils]: Spent 34.73 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:01:24,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:01:24 BoogieIcfgContainer [2018-11-18 12:01:24,424 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:01:24,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:01:24,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:01:24,425 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:01:24,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:38" (3/4) ... [2018-11-18 12:01:24,427 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:01:24,471 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d1146fa-2f76-44d1-a90e-df95acf1a0db/bin-2019/uautomizer/witness.graphml [2018-11-18 12:01:24,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:01:24,472 INFO L168 Benchmark]: Toolchain (without parser) took 106869.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:24,473 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:24,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:24,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.42 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 12:01:24,473 INFO L168 Benchmark]: Boogie Preprocessor took 45.02 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 12:01:24,474 INFO L168 Benchmark]: RCFGBuilder took 834.18 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: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:24,474 INFO L168 Benchmark]: BuchiAutomizer took 105512.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -103.6 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:24,474 INFO L168 Benchmark]: Witness Printer took 46.89 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: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:24,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.42 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 45.02 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 834.18 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: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 105512.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -103.6 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.89 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: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 649 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 105.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 104.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 477 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 649 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1200 SDtfs, 2782 SDslu, 1651 SDs, 0 SdLazy, 213 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 54]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38ddd579=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@508f7ad5=0, "libacc.c"=0, "Pump(System:"=27, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@187a5788=0, "__utac__get_this_argtype"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e0fe612=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f285aff=174, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13a79437=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29103275=0, "libacc.c"=33, methaneLevelCritical=0, retValue_acc=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44fa814b=0, tmp___1=0, "Off"=20, ")"=11, cleanupTimeShifts=4, tmp=0, "Off"=24, tmp=0, waterLevel=1, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b925d80=0, "On"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=12, \result=1, head=0, pumpRunning=0, retValue_acc=1, "__utac__get_this_argtype"=34, ")"=0, "libacc.c"=0, tmp=1, "OK"=0, \result=1, "libacc.c"=31, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@687f6c7f=0, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, ",Meth:"=16, retValue_acc=1, "libacc.c"=40, tmp=0, head=0, "Env(Water:%i"=0, "\n"=18, "CRIT"=15, "__utac__get_this_arg"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35adadba=0, tmp=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=29, retValue_acc=0, "i > 0 && i <= this->argsCount"=39, tmp___0=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51a94ca6=0, tmp=0, "OK"=14, tmp___0=1, NULL=0, systemActive=1, "i > 0 && i <= this->argsCount"=36, \result=1, "CRIT"=0, "Off"=0, "On"=26, \result=0, "Pump(System:"=0, retValue_acc=0, "On"=22, \result=0, ",Pump:"=0, "On"=0, ") "=19, tmp___2=174, splverifierCounter=0, \result=0, "libacc.c"=37, tmp___1=0, "\n"=0, "Off"=0, ",Pump:"=23, ") "=0, "__utac__get_this_arg"=8} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 54]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L289] FCALL "Pump(System:" [L293] FCALL "On" [L297] FCALL "Off" [L301] FCALL ",Pump:" [L305] FCALL "On" [L309] FCALL "Off" [L313] FCALL ") " [L315] FCALL "\n" [L412] FCALL "Env(Water:%i" [L413] FCALL ",Meth:" [L417] FCALL "CRIT" [L421] FCALL "OK" [L425] FCALL ")" [L937] FCALL "i > 0 && i <= this->argsCount" [L937] FCALL "libacc.c" [L938] FCALL "__utac__get_this_arg" [L944] FCALL "i > 0 && i <= this->argsCount" [L944] FCALL "libacc.c" [L945] FCALL "__utac__get_this_arg" [L983] FCALL "i > 0 && i <= this->argsCount" [L983] FCALL "libacc.c" [L984] FCALL "__utac__get_this_argtype" [L990] FCALL "i > 0 && i <= this->argsCount" [L990] FCALL "libacc.c" [L991] FCALL "__utac__get_this_argtype" [L118] int pumpRunning = 0; [L119] int systemActive = 1; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L472] int cleanupTimeShifts = 4; [L809] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L548] int retValue_acc ; [L549] int tmp ; [L553] FCALL select_helpers() [L554] FCALL select_features() [L555] CALL, EXPR valid_product() [L631] int retValue_acc ; [L634] retValue_acc = 1 [L635] RET return (retValue_acc); [L555] EXPR valid_product() [L555] tmp = valid_product() [L557] COND TRUE \read(tmp) [L559] FCALL setup() [L560] CALL runTest() [L539] CALL test() [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L97] CALL timeShift() [L126] COND FALSE !(\read(pumpRunning)) [L133] COND TRUE \read(systemActive) [L135] CALL processEnvironment() [L207] int tmp ; [L210] COND FALSE !(\read(pumpRunning)) [L225] CALL processEnvironment__wrappee__methaneQuery() [L181] int tmp ; [L184] COND FALSE !(\read(pumpRunning)) [L199] CALL processEnvironment__wrappee__highWaterSensor() [L155] int tmp ; [L158] COND TRUE ! pumpRunning [L160] CALL, EXPR isHighWaterLevel() [L321] int retValue_acc ; [L322] int tmp ; [L323] int tmp___0 ; [L327] CALL, EXPR isHighWaterSensorDry() [L440] int retValue_acc ; [L443] COND TRUE waterLevel < 2 [L444] retValue_acc = 1 [L445] RET return (retValue_acc); [L327] EXPR isHighWaterSensorDry() [L327] tmp = isHighWaterSensorDry() [L329] COND TRUE \read(tmp) [L330] tmp___0 = 0 [L334] retValue_acc = tmp___0 [L335] RET return (retValue_acc); [L160] EXPR isHighWaterLevel() [L160] tmp = isHighWaterLevel() [L162] COND FALSE !(\read(tmp)) [L168] RET, FCALL processEnvironment__wrappee__base() [L199] RET processEnvironment__wrappee__highWaterSensor() [L225] RET processEnvironment__wrappee__methaneQuery() [L135] processEnvironment() [L141] CALL __utac_acc__Specification3_spec__1() [L572] int tmp ; [L573] int tmp___0 ; [L574] int tmp___1 ; [L578] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] RET return (retValue_acc); [L578] EXPR isMethaneLevelCritical() [L578] tmp = isMethaneLevelCritical() [L580] COND FALSE !(\read(tmp)) [L584] CALL, EXPR getWaterLevel() [L431] int retValue_acc ; [L434] retValue_acc = waterLevel [L435] RET return (retValue_acc); [L584] EXPR getWaterLevel() [L584] tmp___0 = getWaterLevel() [L586] COND FALSE, RET !(tmp___0 == 2) [L141] RET __utac_acc__Specification3_spec__1() [L97] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...