./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-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_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/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 cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 .............................................................................................................................................................................................................................................................................................................................................................................. 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 13:17:36,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:17:36,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:17:36,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:17:36,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:17:36,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:17:36,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:17:36,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:17:36,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:17:36,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:17:36,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:17:36,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:17:36,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:17:36,899 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:17:36,900 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:17:36,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:17:36,901 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:17:36,902 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:17:36,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:17:36,905 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:17:36,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:17:36,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:17:36,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:17:36,908 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:17:36,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:17:36,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:17:36,910 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:17:36,910 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:17:36,911 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:17:36,912 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:17:36,912 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:17:36,912 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:17:36,912 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:17:36,913 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:17:36,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:17:36,914 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:17:36,914 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 13:17:36,926 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:17:36,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:17:36,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:17:36,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:17:36,927 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:17:36,927 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:17:36,928 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:17:36,928 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:17:36,928 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:17:36,928 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:17:36,928 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:17:36,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:17:36,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:17:36,929 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:17:36,930 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:17:36,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:17:36,930 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:17:36,930 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:17:36,930 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:17:36,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:17:36,931 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:17:36,931 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:17:36,931 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:17:36,931 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:17:36,931 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:17:36,932 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:17:36,932 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_98174400-8f58-4375-9dae-13ebdc887ab7/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 -> cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 [2018-11-28 13:17:36,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:17:36,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:17:36,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:17:36,971 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:17:36,971 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:17:36,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-11-28 13:17:37,015 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/data/5f3f7af80/9bcbd2e5ddb04bed81d657de95226de0/FLAG182aac097 [2018-11-28 13:17:37,389 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:17:37,389 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-11-28 13:17:37,398 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/data/5f3f7af80/9bcbd2e5ddb04bed81d657de95226de0/FLAG182aac097 [2018-11-28 13:17:37,787 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/data/5f3f7af80/9bcbd2e5ddb04bed81d657de95226de0 [2018-11-28 13:17:37,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:17:37,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:17:37,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:17:37,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:17:37,793 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:17:37,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:17:37" (1/1) ... [2018-11-28 13:17:37,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e14080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:37, skipping insertion in model container [2018-11-28 13:17:37,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:17:37" (1/1) ... [2018-11-28 13:17:37,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:17:37,828 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:17:38,012 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:17:38,064 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:17:38,115 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:17:38,134 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:17:38,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38 WrapperNode [2018-11-28 13:17:38,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:17:38,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:17:38,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:17:38,135 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:17:38,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:17:38,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:17:38,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:17:38,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:17:38,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... [2018-11-28 13:17:38,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:17:38,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:17:38,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:17:38,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:17:38,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/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 13:17:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:17:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:17:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:17:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:17:38,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:17:38,624 INFO L280 CfgBuilder]: Removed 74 assue(true) statements. [2018-11-28 13:17:38,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:38 BoogieIcfgContainer [2018-11-28 13:17:38,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:17:38,625 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:17:38,625 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:17:38,627 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:17:38,628 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:17:38,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:17:37" (1/3) ... [2018-11-28 13:17:38,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e44d980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:17:38, skipping insertion in model container [2018-11-28 13:17:38,628 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:17:38,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:17:38" (2/3) ... [2018-11-28 13:17:38,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e44d980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:17:38, skipping insertion in model container [2018-11-28 13:17:38,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:17:38,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:38" (3/3) ... [2018-11-28 13:17:38,630 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-11-28 13:17:38,672 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:17:38,673 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:17:38,673 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:17:38,673 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:17:38,673 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:17:38,673 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:17:38,673 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:17:38,673 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:17:38,674 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:17:38,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2018-11-28 13:17:38,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2018-11-28 13:17:38,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:17:38,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:17:38,712 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 13:17:38,712 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:38,712 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:17:38,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2018-11-28 13:17:38,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2018-11-28 13:17:38,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:17:38,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:17:38,716 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 13:17:38,716 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:38,721 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);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(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 9#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 11#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 7#L73true main_#t~ret60 := valid_product_#res;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 21#L765true assume 0 != main_~tmp~5; 14#L742true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 38#L594-1true [2018-11-28 13:17:38,722 INFO L796 eck$LassoCheckResult]: Loop: 38#L594-1true assume !false; 32#L627true assume test_~splverifierCounter~0 < 4; 52#L628true test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 13#L636true assume !(0 != test_~tmp~4); 15#L636-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 59#L646true assume !(0 != test_~tmp___0~1); 61#L646-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 40#L656true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 45#L664-2true assume !(0 != ~pumpRunning~0); 46#L470true assume 0 != ~systemActive~0; 34#L477true havoc __utac_acc__Specification3_spec__1_#t~ret53, __utac_acc__Specification3_spec__1_#t~ret54, __utac_acc__Specification3_spec__1_#t~ret55, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 5#L822true __utac_acc__Specification3_spec__1_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret53;havoc __utac_acc__Specification3_spec__1_#t~ret53; 4#L588true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 38#L594-1true [2018-11-28 13:17:38,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:38,727 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 13:17:38,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:38,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:38,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:38,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:38,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:38,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:38,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619239, now seen corresponding path program 1 times [2018-11-28 13:17:38,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:38,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:38,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:38,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:38,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:38,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:38,894 INFO L82 PathProgramCache]: Analyzing trace with hash 32659699, now seen corresponding path program 1 times [2018-11-28 13:17:38,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:38,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:38,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:38,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:38,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:17:38,998 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 13:17:38,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:17:39,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:17:39,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:17:39,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:17:39,085 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 5 states. [2018-11-28 13:17:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:17:39,195 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2018-11-28 13:17:39,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:17:39,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2018-11-28 13:17:39,203 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2018-11-28 13:17:39,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2018-11-28 13:17:39,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2018-11-28 13:17:39,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2018-11-28 13:17:39,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2018-11-28 13:17:39,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:17:39,211 INFO L705 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2018-11-28 13:17:39,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2018-11-28 13:17:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2018-11-28 13:17:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 13:17:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2018-11-28 13:17:39,237 INFO L728 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2018-11-28 13:17:39,237 INFO L608 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2018-11-28 13:17:39,237 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:17:39,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2018-11-28 13:17:39,238 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2018-11-28 13:17:39,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:17:39,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:17:39,239 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 13:17:39,239 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:17:39,239 INFO L794 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);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(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 279#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 280#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 275#L73 main_#t~ret60 := valid_product_#res;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 276#L765 assume 0 != main_~tmp~5; 284#L742 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 285#L594-1 [2018-11-28 13:17:39,240 INFO L796 eck$LassoCheckResult]: Loop: 285#L594-1 assume !false; 304#L627 assume test_~splverifierCounter~0 < 4; 305#L628 test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 283#L636 assume !(0 != test_~tmp~4); 282#L636-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 286#L646 assume !(0 != test_~tmp___0~1); 332#L646-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 314#L656 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 315#L664-2 assume !(0 != ~pumpRunning~0); 320#L470 assume 0 != ~systemActive~0; 307#L477 havoc __utac_acc__Specification3_spec__1_#t~ret53, __utac_acc__Specification3_spec__1_#t~ret54, __utac_acc__Specification3_spec__1_#t~ret55, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 308#L822 __utac_acc__Specification3_spec__1_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret53;havoc __utac_acc__Specification3_spec__1_#t~ret53; 269#L588 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 270#L854 __utac_acc__Specification3_spec__1_#t~ret54 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret54;havoc __utac_acc__Specification3_spec__1_#t~ret54; 310#L594 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 285#L594-1 [2018-11-28 13:17:39,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:39,240 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 13:17:39,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:39,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:39,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:39,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:39,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:39,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:39,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1128380277, now seen corresponding path program 1 times [2018-11-28 13:17:39,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:39,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:39,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:39,275 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:17:39,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:39,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:17:39,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1321204773, now seen corresponding path program 1 times [2018-11-28 13:17:39,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:17:39,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:17:39,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:39,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:17:39,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:17:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:17:39,463 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-28 13:17:45,135 WARN L180 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 13:17:47,789 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 13:17:47,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:17:47 BoogieIcfgContainer [2018-11-28 13:17:47,826 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:17:47,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:17:47,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:17:47,827 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:17:47,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:17:38" (3/4) ... [2018-11-28 13:17:47,829 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 13:17:47,865 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98174400-8f58-4375-9dae-13ebdc887ab7/bin-2019/uautomizer/witness.graphml [2018-11-28 13:17:47,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:17:47,866 INFO L168 Benchmark]: Toolchain (without parser) took 10075.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 958.7 MB in the beginning and 918.4 MB in the end (delta: 40.3 MB). Peak memory consumption was 334.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,867 INFO L168 Benchmark]: CDTParser took 0.16 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 13:17:47,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.84 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. [2018-11-28 13:17:47,868 INFO L168 Benchmark]: Boogie Preprocessor took 20.88 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,868 INFO L168 Benchmark]: RCFGBuilder took 433.55 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: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,868 INFO L168 Benchmark]: BuchiAutomizer took 9201.43 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 918.4 MB in the end (delta: 125.1 MB). Peak memory consumption was 352.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:17:47,869 INFO L168 Benchmark]: Witness Printer took 38.35 ms. Allocated memory is still 1.3 GB. Free memory is still 918.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:17:47,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.84 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 20.88 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 433.55 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: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9201.43 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 918.4 MB in the end (delta: 125.1 MB). Peak memory consumption was 352.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.35 ms. Allocated memory is still 1.3 GB. Free memory is still 918.4 MB. There was no memory consumed. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 626]: 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=0, NULL=0, NULL=36, NULL=0, NULL=0, retValue_acc=0, NULL=28, NULL=0, NULL=12, methaneLevelCritical=0, tmp=0, NULL=0, NULL=39, NULL=0, NULL=33, tmp___1=0, NULL=35, NULL=8, tmp___0=1, NULL=16, NULL=22, cleanupTimeShifts=4, NULL=38, NULL=15, NULL=19, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=17, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=18, NULL=34, NULL=0, NULL=26, NULL=0, NULL=0, tmp=1, NULL=31, NULL=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aee482d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59843a01=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bc56e3c=0, retValue_acc=1, tmp___2=56, NULL=14, tmp___0=0, splverifierCounter=0, \result=0, NULL=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6887d023=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6df6e647=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@428edcf1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bc5dbe9=0, tmp___1=0, head=0, NULL=0, NULL=29, NULL=0, NULL=20, NULL=0, NULL=37, NULL=0, NULL=0, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bfe4a9f=0, NULL=24, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int pumpRunning = 0; [L463] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L779] int waterLevel = 1; [L780] int methaneLevelCritical = 0; [L756] int retValue_acc ; [L757] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 Loop: [L626] COND TRUE 1 [L628] COND TRUE splverifierCounter < 4 [L634] tmp = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp)) [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) [L573] systemActive = 1 [L470] COND FALSE !(\read(pumpRunning)) [L477] COND TRUE \read(systemActive) [L580] int tmp ; [L581] int tmp___0 ; [L582] int tmp___1 ; [L818] int retValue_acc ; [L821] retValue_acc = methaneLevelCritical [L822] return (retValue_acc); [L586] tmp = isMethaneLevelCritical() [L588] COND FALSE !(\read(tmp)) [L850] int retValue_acc ; [L853] retValue_acc = waterLevel [L854] return (retValue_acc); [L592] tmp___0 = getWaterLevel() [L594] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...