./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/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 3f8c4eddf293b722c8b0f77d2921f647762d8744 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 11:40:15,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:40:15,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:40:15,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:40:15,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:40:15,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:40:15,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:40:15,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:40:15,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:40:15,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:40:15,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:40:15,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:40:15,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:40:15,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:40:15,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:40:15,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:40:15,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:40:15,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:40:15,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:40:15,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:40:15,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:40:15,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:40:15,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:40:15,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:40:15,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:40:15,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:40:15,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:40:15,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:40:15,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:40:15,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:40:15,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:40:15,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:40:15,141 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:40:15,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:40:15,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:40:15,142 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:40:15,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:40:15,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:40:15,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:40:15,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:40:15,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:40:15,154 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:40:15,154 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:40:15,155 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:40:15,155 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:40:15,155 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:40:15,155 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:40:15,155 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:40:15,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:40:15,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:40:15,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:40:15,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:40:15,157 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:40:15,157 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:40:15,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:40:15,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:40:15,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:40:15,157 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:40:15,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:40:15,158 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:40:15,158 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:40:15,158 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:40:15,159 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_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2018-11-28 11:40:15,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:40:15,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:40:15,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:40:15,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:40:15,191 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:40:15,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-28 11:40:15,227 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/data/32de6e5eb/ed92fc8275774334a91dedc72ef7435d/FLAGb19c2f6f5 [2018-11-28 11:40:15,556 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:40:15,556 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-28 11:40:15,562 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/data/32de6e5eb/ed92fc8275774334a91dedc72ef7435d/FLAGb19c2f6f5 [2018-11-28 11:40:15,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/data/32de6e5eb/ed92fc8275774334a91dedc72ef7435d [2018-11-28 11:40:15,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:40:15,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:40:15,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:40:15,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:40:15,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:40:15,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:15,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15, skipping insertion in model container [2018-11-28 11:40:15,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:15,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:40:15,618 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:40:15,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:40:15,872 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:40:15,930 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:40:15,952 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:40:15,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15 WrapperNode [2018-11-28 11:40:15,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:40:15,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:40:15,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:40:15,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:40:15,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:15,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:40:16,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:40:16,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:40:16,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:40:16,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... [2018-11-28 11:40:16,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:40:16,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:40:16,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:40:16,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:40:16,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/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 [2018-11-28 11:40:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:40:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:40:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:40:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:40:16,590 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:40:16,590 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2018-11-28 11:40:16,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:16 BoogieIcfgContainer [2018-11-28 11:40:16,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:40:16,591 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:40:16,591 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:40:16,594 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:40:16,595 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:40:16,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:40:15" (1/3) ... [2018-11-28 11:40:16,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d0deb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:40:16, skipping insertion in model container [2018-11-28 11:40:16,596 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:40:16,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:15" (2/3) ... [2018-11-28 11:40:16,597 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d0deb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:40:16, skipping insertion in model container [2018-11-28 11:40:16,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:40:16,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:16" (3/3) ... [2018-11-28 11:40:16,598 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-28 11:40:16,633 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:40:16,634 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:40:16,634 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:40:16,634 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:40:16,634 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:40:16,634 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:40:16,634 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:40:16,634 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:40:16,634 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:40:16,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-28 11:40:16,669 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-28 11:40:16,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:40:16,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:40:16,677 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:16,677 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:16,677 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:40:16,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-28 11:40:16,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-28 11:40:16,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:40:16,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:40:16,682 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:16,682 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:16,685 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(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(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~8;havoc main_~retValue_acc~9;havoc main_~tmp~8; 60#L928true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 64#L936true main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 66#L892true assume 0 != main_~tmp~8; 35#L865true ~methAndRunningLastTime~0 := 0; 44#L303true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 45#L314-1true [2018-11-28 11:40:16,685 INFO L796 eck$LassoCheckResult]: Loop: 45#L314-1true assume !false; 78#L242true assume test_~splverifierCounter~0 < 4; 23#L243true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 34#L251true assume !(0 != test_~tmp~3); 33#L251-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 90#L261true assume !(0 != test_~tmp___0~1); 105#L261-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 15#L271true assume 0 != test_~tmp___2~0; 107#L277-2true assume !(0 != ~pumpRunning~0); 114#L57true assume !(0 != ~systemActive~0); 40#L64true havoc __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_#t~ret25, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 71#L380-1true __utac_acc__Specification2_spec__2_#t~ret24 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; 74#L314true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 45#L314-1true [2018-11-28 11:40:16,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 11:40:16,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:16,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:16,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:16,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:16,848 INFO L82 PathProgramCache]: Analyzing trace with hash 4292362, now seen corresponding path program 1 times [2018-11-28 11:40:16,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:16,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:16,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:16,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:16,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:16,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:16,859 INFO L82 PathProgramCache]: Analyzing trace with hash 837588868, now seen corresponding path program 1 times [2018-11-28 11:40:16,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:16,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:16,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:16,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:16,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:16,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:16,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:40:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:40:17,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:40:17,057 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 6 states. [2018-11-28 11:40:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:17,141 INFO L93 Difference]: Finished difference Result 112 states and 161 transitions. [2018-11-28 11:40:17,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:40:17,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 161 transitions. [2018-11-28 11:40:17,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-28 11:40:17,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 105 states and 154 transitions. [2018-11-28 11:40:17,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 105 [2018-11-28 11:40:17,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 105 [2018-11-28 11:40:17,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 154 transitions. [2018-11-28 11:40:17,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:40:17,152 INFO L705 BuchiCegarLoop]: Abstraction has 105 states and 154 transitions. [2018-11-28 11:40:17,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 154 transitions. [2018-11-28 11:40:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-28 11:40:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-28 11:40:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2018-11-28 11:40:17,176 INFO L728 BuchiCegarLoop]: Abstraction has 105 states and 154 transitions. [2018-11-28 11:40:17,176 INFO L608 BuchiCegarLoop]: Abstraction has 105 states and 154 transitions. [2018-11-28 11:40:17,176 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:40:17,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 154 transitions. [2018-11-28 11:40:17,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-28 11:40:17,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:40:17,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:40:17,178 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:17,178 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:17,178 INFO L794 eck$LassoCheckResult]: Stem: 339#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(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(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 256#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~8;havoc main_~retValue_acc~9;havoc main_~tmp~8; 257#L928 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 325#L936 main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 328#L892 assume 0 != main_~tmp~8; 296#L865 ~methAndRunningLastTime~0 := 0; 297#L303 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 261#L314-1 [2018-11-28 11:40:17,178 INFO L796 eck$LassoCheckResult]: Loop: 261#L314-1 assume !false; 307#L242 assume test_~splverifierCounter~0 < 4; 278#L243 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 279#L251 assume !(0 != test_~tmp~3); 293#L251-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 294#L261 assume !(0 != test_~tmp___0~1); 292#L261-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 269#L271 assume 0 != test_~tmp___2~0; 259#L277-2 assume !(0 != ~pumpRunning~0); 249#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 343#L115 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 288#L89-1 assume !(0 == ~pumpRunning~0); 289#L64 havoc __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_#t~ret25, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 303#L380-1 __utac_acc__Specification2_spec__2_#t~ret24 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; 331#L314 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 261#L314-1 [2018-11-28 11:40:17,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:17,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 11:40:17,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:17,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:17,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:17,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:17,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1684672225, now seen corresponding path program 1 times [2018-11-28 11:40:17,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:17,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:17,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,226 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:40:17,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:17,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:17,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:40:17,243 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:40:17,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:40:17,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:40:17,244 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-28 11:40:17,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:17,330 INFO L93 Difference]: Finished difference Result 149 states and 208 transitions. [2018-11-28 11:40:17,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:40:17,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 208 transitions. [2018-11-28 11:40:17,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-28 11:40:17,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 149 states and 208 transitions. [2018-11-28 11:40:17,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2018-11-28 11:40:17,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2018-11-28 11:40:17,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 208 transitions. [2018-11-28 11:40:17,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:40:17,337 INFO L705 BuchiCegarLoop]: Abstraction has 149 states and 208 transitions. [2018-11-28 11:40:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 208 transitions. [2018-11-28 11:40:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 11:40:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 11:40:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 208 transitions. [2018-11-28 11:40:17,344 INFO L728 BuchiCegarLoop]: Abstraction has 149 states and 208 transitions. [2018-11-28 11:40:17,345 INFO L608 BuchiCegarLoop]: Abstraction has 149 states and 208 transitions. [2018-11-28 11:40:17,345 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:40:17,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 208 transitions. [2018-11-28 11:40:17,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-28 11:40:17,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:40:17,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:40:17,347 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:17,347 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:17,347 INFO L794 eck$LassoCheckResult]: Stem: 601#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(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(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 516#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~8;havoc main_~retValue_acc~9;havoc main_~tmp~8; 517#L928 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 587#L936 main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 590#L892 assume 0 != main_~tmp~8; 556#L865 ~methAndRunningLastTime~0 := 0; 557#L303 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 521#L314-1 [2018-11-28 11:40:17,347 INFO L796 eck$LassoCheckResult]: Loop: 521#L314-1 assume !false; 569#L242 assume test_~splverifierCounter~0 < 4; 537#L243 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 538#L251 assume !(0 != test_~tmp~3); 553#L251-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 554#L261 assume !(0 != test_~tmp___0~1); 552#L261-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 529#L271 assume 0 != test_~tmp___2~0; 519#L277-2 assume !(0 != ~pumpRunning~0); 607#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 605#L115 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 548#L89-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 504#L420-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 505#L425-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 533#L217-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 598#L217-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 588#L223-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 589#L93-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 564#L64 havoc __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_#t~ret25, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 565#L380-1 __utac_acc__Specification2_spec__2_#t~ret24 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; 593#L314 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 521#L314-1 [2018-11-28 11:40:17,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:17,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 11:40:17,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:17,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:17,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:17,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:17,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1751932845, now seen corresponding path program 1 times [2018-11-28 11:40:17,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:17,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:17,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,393 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:40:17,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:17,405 INFO L82 PathProgramCache]: Analyzing trace with hash -769892825, now seen corresponding path program 1 times [2018-11-28 11:40:17,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:17,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:17,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:17,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:40:22,750 WARN L180 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 11:40:25,245 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 11:40:25,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:40:25 BoogieIcfgContainer [2018-11-28 11:40:25,286 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:40:25,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:40:25,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:40:25,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:40:25,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:16" (3/4) ... [2018-11-28 11:40:25,289 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:40:25,322 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6752ec8c-d89c-4bcb-8e05-b7d2f515409c/bin-2019/uautomizer/witness.graphml [2018-11-28 11:40:25,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:40:25,323 INFO L168 Benchmark]: Toolchain (without parser) took 9747.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 956.0 MB in the beginning and 969.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 306.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,324 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:40:25,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,324 INFO L168 Benchmark]: Boogie Preprocessor took 29.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,325 INFO L168 Benchmark]: RCFGBuilder took 559.38 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,325 INFO L168 Benchmark]: BuchiAutomizer took 8694.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 77.8 MB). Peak memory consumption was 340.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,325 INFO L168 Benchmark]: Witness Printer took 35.98 ms. Allocated memory is still 1.3 GB. Free memory was 976.9 MB in the beginning and 969.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:25,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 559.38 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8694.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 77.8 MB). Peak memory consumption was 340.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.98 ms. Allocated memory is still 1.3 GB. Free memory was 976.9 MB in the beginning and 969.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 149 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 149 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 316 SDtfs, 585 SDslu, 65 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 241]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=24, NULL=35, NULL=0, NULL=34, retValue_acc=0, NULL=12, NULL=18, methaneLevelCritical=0, NULL=28, retValue_acc=1, tmp___0=0, tmp=0, NULL=0, NULL=0, NULL=37, retValue_acc=0, NULL=0, NULL=23, NULL=0, tmp___1=0, NULL=29, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47f3049f=0, cleanupTimeShifts=4, NULL=31, NULL=14, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=33, NULL=0, retValue_acc=0, NULL=19, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=22, \result=1, NULL=20, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67ec20af=0, NULL=27, \result=0, retValue_acc=1, NULL=17, NULL=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@289ec2d7=0, NULL=0, NULL=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4124657f=56, \result=1, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67fe3569=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69093cf4=0, tmp=1, tmp___2=56, tmp___0=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=39, NULL=11, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@116a155c=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c2cb36=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28fc5aaf=0, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5789546a=0, NULL=26, NULL=0, tmp=0, NULL=15, NULL=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L297] int methAndRunningLastTime ; [L337] int waterLevel = 1; [L338] int methaneLevelCritical = 0; [L609] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L806] int cleanupTimeShifts = 4; [L883] int retValue_acc ; [L884] int tmp ; [L932] int retValue_acc ; [L935] retValue_acc = 1 [L936] return (retValue_acc); [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L302] methAndRunningLastTime = 0 [L232] int splverifierCounter ; [L233] int tmp ; [L234] int tmp___0 ; [L235] int tmp___1 ; [L236] int tmp___2 ; [L239] splverifierCounter = 0 Loop: [L241] COND TRUE 1 [L243] COND TRUE splverifierCounter < 4 [L249] tmp = __VERIFIER_nondet_int() [L251] COND FALSE !(\read(tmp)) [L259] tmp___0 = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp___0)) [L269] tmp___2 = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L112] int tmp ; [L115] COND FALSE !(\read(pumpRunning)) [L86] int tmp ; [L89] COND TRUE ! pumpRunning [L209] int retValue_acc ; [L210] int tmp ; [L211] int tmp___0 ; [L417] int retValue_acc ; [L420] COND TRUE waterLevel < 2 [L421] retValue_acc = 1 [L422] return (retValue_acc); [L215] tmp = isHighWaterSensorDry() [L217] COND TRUE \read(tmp) [L218] tmp___0 = 0 [L222] retValue_acc = tmp___0 [L223] return (retValue_acc); [L91] tmp = isHighWaterLevel() [L93] COND FALSE !(\read(tmp)) [L307] int tmp ; [L308] int tmp___0 ; [L376] int retValue_acc ; [L379] retValue_acc = methaneLevelCritical [L380] return (retValue_acc); [L312] tmp = isMethaneLevelCritical() [L314] COND FALSE !(\read(tmp)) [L330] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...