./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/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 34d3cbbc8b4a786ebf9108ab9ac810ac8aab3a53 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:54:16,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:54:16,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:54:16,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:54:16,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:54:16,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:54:16,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:54:16,105 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:54:16,106 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:54:16,107 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:54:16,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:54:16,108 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:54:16,108 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:54:16,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:54:16,110 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:54:16,110 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:54:16,111 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:54:16,112 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:54:16,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:54:16,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:54:16,115 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:54:16,116 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:54:16,118 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:54:16,118 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:54:16,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:54:16,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:54:16,120 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:54:16,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:54:16,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:54:16,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:54:16,122 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:54:16,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:54:16,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:54:16,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:54:16,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:54:16,123 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:54:16,124 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 23:54:16,135 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:54:16,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:54:16,136 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:54:16,136 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:54:16,136 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 23:54:16,136 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 23:54:16,136 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 23:54:16,137 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 23:54:16,137 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:54:16,138 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 23:54:16,139 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 23:54:16,139 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 23:54:16,139 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 23:54:16,140 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 23:54:16,140 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_01304fff-e66e-4fae-bab1-1080aa09d96c/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 -> 34d3cbbc8b4a786ebf9108ab9ac810ac8aab3a53 [2018-12-02 23:54:16,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:54:16,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:54:16,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:54:16,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:54:16,171 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:54:16,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-12-02 23:54:16,204 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/data/2cc10aba1/733946e6779e42ca81c40207132f257c/FLAGf132bdc88 [2018-12-02 23:54:16,681 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:54:16,681 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-12-02 23:54:16,688 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/data/2cc10aba1/733946e6779e42ca81c40207132f257c/FLAGf132bdc88 [2018-12-02 23:54:16,696 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/data/2cc10aba1/733946e6779e42ca81c40207132f257c [2018-12-02 23:54:16,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:54:16,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:54:16,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:54:16,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:54:16,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:54:16,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:16,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16, skipping insertion in model container [2018-12-02 23:54:16,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:16,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:54:16,727 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:54:16,870 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:54:16,914 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:54:16,958 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:54:16,972 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:54:16,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16 WrapperNode [2018-12-02 23:54:16,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:54:16,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:54:16,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:54:16,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:54:16,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:16,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:54:17,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:54:17,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:54:17,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:54:17,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... [2018-12-02 23:54:17,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:54:17,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:54:17,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:54:17,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:54:17,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 23:54:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:54:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 23:54:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:54:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:54:17,351 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:54:17,352 INFO L280 CfgBuilder]: Removed 166 assue(true) statements. [2018-12-02 23:54:17,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:17 BoogieIcfgContainer [2018-12-02 23:54:17,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:54:17,352 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 23:54:17,352 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 23:54:17,355 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 23:54:17,355 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 23:54:17,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 11:54:16" (1/3) ... [2018-12-02 23:54:17,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@434edb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:54:17, skipping insertion in model container [2018-12-02 23:54:17,356 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 23:54:17,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:16" (2/3) ... [2018-12-02 23:54:17,357 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@434edb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:54:17, skipping insertion in model container [2018-12-02 23:54:17,357 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 23:54:17,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:17" (3/3) ... [2018-12-02 23:54:17,358 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-12-02 23:54:17,390 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 23:54:17,391 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 23:54:17,391 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 23:54:17,391 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 23:54:17,391 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:54:17,391 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:54:17,391 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 23:54:17,391 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:54:17,391 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 23:54:17,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states. [2018-12-02 23:54:17,418 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-02 23:54:17,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 23:54:17,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 23:54:17,424 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 23:54:17,424 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:54:17,424 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 23:54:17,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states. [2018-12-02 23:54:17,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-02 23:54:17,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 23:54:17,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 23:54:17,428 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 23:54:17,428 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:54:17,431 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 8#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 3#L855true 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; 27#L863true main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 48#L950true assume 0 != main_~tmp~9; 98#L927true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L811-1true [2018-12-02 23:54:17,431 INFO L796 eck$LassoCheckResult]: Loop: 6#L811-1true assume !false; 94#L525true assume test_~splverifierCounter~0 < 4; 43#L526true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 63#L534true assume !(0 != test_~tmp~3); 65#L534-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 5#L544true assume !(0 != test_~tmp___0~0); 7#L544-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 41#L554true assume 0 != test_~tmp___2~0; 33#L560-1true assume !(0 != ~pumpRunning~0); 28#L593true assume !(0 != ~systemActive~0); 60#L600true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 112#L90-1true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 31#L805true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 6#L811-1true [2018-12-02 23:54:17,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,435 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-02 23:54:17,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:17,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:17,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:17,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709762, now seen corresponding path program 1 times [2018-12-02 23:54:17,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:17,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:17,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:17,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,565 INFO L82 PathProgramCache]: Analyzing trace with hash 42569176, now seen corresponding path program 1 times [2018-12-02 23:54:17,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:17,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:17,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:17,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:54:17,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:54:17,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 23:54:17,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:54:17,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:54:17,699 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 6 states. [2018-12-02 23:54:17,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:54:17,804 INFO L93 Difference]: Finished difference Result 270 states and 381 transitions. [2018-12-02 23:54:17,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 23:54:17,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 270 states and 381 transitions. [2018-12-02 23:54:17,811 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2018-12-02 23:54:17,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 270 states to 249 states and 360 transitions. [2018-12-02 23:54:17,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2018-12-02 23:54:17,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2018-12-02 23:54:17,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 360 transitions. [2018-12-02 23:54:17,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 23:54:17,819 INFO L705 BuchiCegarLoop]: Abstraction has 249 states and 360 transitions. [2018-12-02 23:54:17,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 360 transitions. [2018-12-02 23:54:17,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 150. [2018-12-02 23:54:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-02 23:54:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 216 transitions. [2018-12-02 23:54:17,846 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 216 transitions. [2018-12-02 23:54:17,846 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 216 transitions. [2018-12-02 23:54:17,846 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 23:54:17,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 216 transitions. [2018-12-02 23:54:17,847 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2018-12-02 23:54:17,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 23:54:17,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 23:54:17,848 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 23:54:17,848 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:54:17,848 INFO L794 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 408#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 398#L855 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; 399#L863 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 446#L950 assume 0 != main_~tmp~9; 467#L927 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 401#L811-1 [2018-12-02 23:54:17,848 INFO L796 eck$LassoCheckResult]: Loop: 401#L811-1 assume !false; 406#L525 assume test_~splverifierCounter~0 < 4; 462#L526 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 463#L534 assume !(0 != test_~tmp~3); 421#L534-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 403#L544 assume !(0 != test_~tmp___0~0); 404#L544-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 407#L554 assume 0 != test_~tmp___2~0; 453#L560-1 assume !(0 != ~pumpRunning~0); 447#L593 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 439#L651 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 441#L625-1 assume !(0 != ~pumpRunning~0); 410#L600 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 475#L90-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 454#L805 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 401#L811-1 [2018-12-02 23:54:17,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,849 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-02 23:54:17,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:17,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:17,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:17,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294320, now seen corresponding path program 1 times [2018-12-02 23:54:17,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:17,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:17,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,883 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 23:54:17,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:17,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,889 INFO L82 PathProgramCache]: Analyzing trace with hash 104912074, now seen corresponding path program 1 times [2018-12-02 23:54:17,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:17,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:17,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:17,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:54:17,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:54:17,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 23:54:17,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 23:54:17,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:54:17,956 INFO L87 Difference]: Start difference. First operand 150 states and 216 transitions. cyclomatic complexity: 69 Second operand 5 states. [2018-12-02 23:54:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:54:18,052 INFO L93 Difference]: Finished difference Result 511 states and 749 transitions. [2018-12-02 23:54:18,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 23:54:18,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 511 states and 749 transitions. [2018-12-02 23:54:18,057 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 367 [2018-12-02 23:54:18,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 511 states to 511 states and 749 transitions. [2018-12-02 23:54:18,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 511 [2018-12-02 23:54:18,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 511 [2018-12-02 23:54:18,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 511 states and 749 transitions. [2018-12-02 23:54:18,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 23:54:18,062 INFO L705 BuchiCegarLoop]: Abstraction has 511 states and 749 transitions. [2018-12-02 23:54:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states and 749 transitions. [2018-12-02 23:54:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 294. [2018-12-02 23:54:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-02 23:54:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 418 transitions. [2018-12-02 23:54:18,075 INFO L728 BuchiCegarLoop]: Abstraction has 294 states and 418 transitions. [2018-12-02 23:54:18,075 INFO L608 BuchiCegarLoop]: Abstraction has 294 states and 418 transitions. [2018-12-02 23:54:18,076 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 23:54:18,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 418 transitions. [2018-12-02 23:54:18,077 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 208 [2018-12-02 23:54:18,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 23:54:18,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 23:54:18,078 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 23:54:18,078 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:54:18,078 INFO L794 eck$LassoCheckResult]: Stem: 1177#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 1092#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 1077#L855 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; 1078#L863 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 1124#L950 assume 0 != main_~tmp~9; 1157#L927 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1080#L811-1 [2018-12-02 23:54:18,078 INFO L796 eck$LassoCheckResult]: Loop: 1080#L811-1 assume !false; 1085#L525 assume test_~splverifierCounter~0 < 4; 1149#L526 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 1150#L534 assume !(0 != test_~tmp~3); 1101#L534-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 1082#L544 assume !(0 != test_~tmp___0~0); 1083#L544-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 1305#L554 assume 0 != test_~tmp___2~0; 1304#L560-1 assume !(0 != ~pumpRunning~0); 1272#L593 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1271#L651 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1161#L625-1 assume !(0 != ~pumpRunning~0); 1089#L600 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1168#L90-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 1132#L805 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1133#L122 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 1079#L811 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1080#L811-1 [2018-12-02 23:54:18,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:18,078 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-02 23:54:18,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:18,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:18,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:18,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:18,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:18,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:18,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1627108098, now seen corresponding path program 1 times [2018-12-02 23:54:18,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:18,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:18,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:18,103 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 23:54:18,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:18,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:18,108 INFO L82 PathProgramCache]: Analyzing trace with hash 2036262940, now seen corresponding path program 1 times [2018-12-02 23:54:18,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:54:18,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:54:18,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:18,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:18,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:54:22,380 WARN L180 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-02 23:54:24,489 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-02 23:54:24,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 11:54:24 BoogieIcfgContainer [2018-12-02 23:54:24,522 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 23:54:24,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:54:24,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:54:24,523 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:54:24,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:17" (3/4) ... [2018-12-02 23:54:24,527 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 23:54:24,564 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01304fff-e66e-4fae-bab1-1080aa09d96c/bin-2019/uautomizer/witness.graphml [2018-12-02 23:54:24,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:54:24,565 INFO L168 Benchmark]: Toolchain (without parser) took 7866.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.6 MB). Free memory was 956.0 MB in the beginning and 911.2 MB in the end (delta: 44.8 MB). Peak memory consumption was 338.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:24,565 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:54:24,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:24,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:54:24,566 INFO L168 Benchmark]: Boogie Preprocessor took 21.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:24,566 INFO L168 Benchmark]: RCFGBuilder took 323.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:24,567 INFO L168 Benchmark]: BuchiAutomizer took 7170.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 911.2 MB in the end (delta: 123.6 MB). Peak memory consumption was 352.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:24,567 INFO L168 Benchmark]: Witness Printer took 41.35 ms. Allocated memory is still 1.3 GB. Free memory was 911.2 MB in the beginning and 911.2 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-02 23:54:24,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7170.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 911.2 MB in the end (delta: 123.6 MB). Peak memory consumption was 352.4 MB. Max. memory is 11.5 GB. * Witness Printer took 41.35 ms. Allocated memory is still 1.3 GB. Free memory was 911.2 MB in the beginning and 911.2 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 294 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 316 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 294 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 365 SDtfs, 1154 SDslu, 1360 SDs, 0 SdLazy, 121 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 524]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=24, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@799a9e0d=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@551a5227=56, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cb91a9b=0, NULL=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55d44ad9=0, NULL=0, NULL=8, NULL=31, methaneLevelCritical=0, NULL=15, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b23f643=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29951ff5=0, tmp=0, NULL=22, NULL=0, NULL=38, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35cc557a=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7228fa39=0, tmp___1=0, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bcd1e76=0, NULL=26, NULL=39, cleanupTimeShifts=4, NULL=37, NULL=14, tmp=0, tmp___0=1, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=20, NULL=0, tmp___0=0, NULL=16, NULL=0, NULL=0, retValue_acc=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, NULL=29, NULL=0, NULL=23, tmp___2=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10236c0d=0, NULL=11, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=19, tmp___1=0, head=0, NULL=0, tmp=0, tmp=1, NULL=36, NULL=0, NULL=0, NULL=18, NULL=0, NULL=27, NULL=28, NULL=12, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L314] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L585] int pumpRunning = 0; [L586] int systemActive = 1; [L868] int cleanupTimeShifts = 4; [L941] int retValue_acc ; [L942] int tmp ; [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] return (retValue_acc); [L948] tmp = valid_product() [L950] COND TRUE \read(tmp) [L515] int splverifierCounter ; [L516] int tmp ; [L517] int tmp___0 ; [L518] int tmp___1 ; [L519] int tmp___2 ; [L522] splverifierCounter = 0 Loop: [L524] COND TRUE 1 [L526] COND TRUE splverifierCounter < 4 [L532] tmp = __VERIFIER_nondet_int() [L534] COND FALSE !(\read(tmp)) [L542] tmp___0 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___0)) [L552] tmp___2 = __VERIFIER_nondet_int() [L554] COND TRUE \read(tmp___2) [L593] COND FALSE !(\read(pumpRunning)) [L600] COND TRUE \read(systemActive) [L648] int tmp ; [L651] COND FALSE !(\read(pumpRunning)) [L622] int tmp ; [L625] COND FALSE !(\read(pumpRunning)) [L797] int tmp ; [L798] int tmp___0 ; [L799] int tmp___1 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L803] tmp = isMethaneLevelCritical() [L805] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L809] tmp___0 = getWaterLevel() [L811] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...