./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:49:52,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:49:52,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:49:52,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:49:52,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:49:52,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:49:52,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:49:52,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:49:52,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:49:52,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:49:52,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:49:52,213 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:49:52,213 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:49:52,214 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:49:52,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:49:52,215 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:49:52,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:49:52,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:49:52,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:49:52,219 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:49:52,220 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:49:52,221 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:49:52,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:49:52,222 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:49:52,222 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:49:52,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:49:52,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:49:52,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:49:52,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:49:52,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:49:52,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:49:52,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:49:52,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:49:52,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:49:52,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:49:52,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:49:52,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 19:49:52,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:49:52,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:49:52,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:49:52,236 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 19:49:52,236 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 19:49:52,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:49:52,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:49:52,237 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 19:49:52,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:49:52,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:49:52,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:49:52,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:49:52,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 19:49:52,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:49:52,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:49:52,239 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 19:49:52,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:49:52,239 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 19:49:52,239 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 19:49:52,240 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 19:49:52,240 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_42c98687-7947-470e-aae7-6fbf7d289f31/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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2018-12-08 19:49:52,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:49:52,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:49:52,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:49:52,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:49:52,276 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:49:52,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-12-08 19:49:52,314 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/data/bc786161e/0702fbd12c51470a8c5db37800d3acea/FLAGfab1ef8f9 [2018-12-08 19:49:52,765 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:49:52,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-12-08 19:49:52,771 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/data/bc786161e/0702fbd12c51470a8c5db37800d3acea/FLAGfab1ef8f9 [2018-12-08 19:49:52,780 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/data/bc786161e/0702fbd12c51470a8c5db37800d3acea [2018-12-08 19:49:52,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:49:52,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:49:52,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:49:52,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:49:52,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:49:52,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:49:52" (1/1) ... [2018-12-08 19:49:52,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:52, skipping insertion in model container [2018-12-08 19:49:52,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:49:52" (1/1) ... [2018-12-08 19:49:52,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:49:52,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:49:52,968 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:49:52,978 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:49:53,059 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:49:53,073 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:49:53,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53 WrapperNode [2018-12-08 19:49:53,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:49:53,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:49:53,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:49:53,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:49:53,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:49:53,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:49:53,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:49:53,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:49:53,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... [2018-12-08 19:49:53,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:49:53,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:49:53,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:49:53,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:49:53,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 19:49:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:49:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:49:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:49:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:49:53,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:49:53,422 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-12-08 19:49:53,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:49:53 BoogieIcfgContainer [2018-12-08 19:49:53,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:49:53,423 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 19:49:53,423 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 19:49:53,425 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 19:49:53,425 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 19:49:53,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 07:49:52" (1/3) ... [2018-12-08 19:49:53,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33774062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 07:49:53, skipping insertion in model container [2018-12-08 19:49:53,426 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 19:49:53,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:49:53" (2/3) ... [2018-12-08 19:49:53,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33774062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 07:49:53, skipping insertion in model container [2018-12-08 19:49:53,426 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 19:49:53,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:49:53" (3/3) ... [2018-12-08 19:49:53,428 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-12-08 19:49:53,459 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:49:53,459 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 19:49:53,459 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 19:49:53,459 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 19:49:53,459 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:49:53,459 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:49:53,459 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 19:49:53,459 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:49:53,459 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 19:49:53,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2018-12-08 19:49:53,483 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-12-08 19:49:53,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 19:49:53,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 19:49:53,488 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 19:49:53,488 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:49:53,488 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 19:49:53,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2018-12-08 19:49:53,490 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-12-08 19:49:53,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 19:49:53,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 19:49:53,491 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 19:49:53,491 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:49:53,494 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);~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); 8#L-1true havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 21#L670true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 39#L678true main_#t~ret58 := valid_product_#res;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; 65#L774true assume 0 != main_~tmp~5; 42#L751true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 66#L796-1true [2018-12-08 19:49:53,494 INFO L796 eck$LassoCheckResult]: Loop: 66#L796-1true assume !false; 68#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 25#L66true assume !(0 != test_~tmp~0); 24#L66-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 12#L76true assume !(0 != test_~tmp___0~0); 10#L76-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 60#L86true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 51#L94-1true assume !(0 != ~pumpRunning~0); 64#L130true assume !(0 != ~systemActive~0); 33#L137true havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; 46#L858-1true __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; 62#L796true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 66#L796-1true [2018-12-08 19:49:53,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:49:53,498 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-08 19:49:53,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:49:53,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:49:53,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:49:53,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:49:53,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2018-12-08 19:49:53,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:49:53,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:49:53,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:49:53,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:49:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:49:53,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:49:53,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:49:53,651 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-08 19:49:53,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:49:53,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:49:53,661 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2018-12-08 19:49:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:49:53,692 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2018-12-08 19:49:53,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:49:53,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2018-12-08 19:49:53,696 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2018-12-08 19:49:53,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2018-12-08 19:49:53,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2018-12-08 19:49:53,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2018-12-08 19:49:53,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2018-12-08 19:49:53,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 19:49:53,701 INFO L705 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2018-12-08 19:49:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2018-12-08 19:49:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-12-08 19:49:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-08 19:49:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2018-12-08 19:49:53,722 INFO L728 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2018-12-08 19:49:53,722 INFO L608 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2018-12-08 19:49:53,722 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 19:49:53,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2018-12-08 19:49:53,723 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2018-12-08 19:49:53,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 19:49:53,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 19:49:53,723 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 19:49:53,723 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:49:53,723 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);~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); 213#L-1 havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 214#L670 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 231#L678 main_#t~ret58 := valid_product_#res;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; 259#L774 assume 0 != main_~tmp~5; 262#L751 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 212#L796-1 [2018-12-08 19:49:53,724 INFO L796 eck$LassoCheckResult]: Loop: 212#L796-1 assume !false; 280#L57 assume test_~splverifierCounter~0 < 4; 207#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 208#L66 assume !(0 != test_~tmp~0); 210#L66-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 284#L76 assume !(0 != test_~tmp___0~0); 217#L76-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 218#L86 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 272#L94-1 assume !(0 != ~pumpRunning~0); 278#L130 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 279#L162 assume !(0 != ~pumpRunning~0); 247#L137 havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; 248#L858-1 __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; 276#L796 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 212#L796-1 [2018-12-08 19:49:53,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:49:53,724 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-08 19:49:53,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:49:53,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:49:53,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:49:53,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:49:53,762 INFO L82 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2018-12-08 19:49:53,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:49:53,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:49:53,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,763 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 19:49:53,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:49:53,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2018-12-08 19:49:53,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:49:53,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:49:53,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:49:53,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:49:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:49:57,303 WARN L180 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-08 19:49:58,886 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-08 19:49:58,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 07:49:58 BoogieIcfgContainer [2018-12-08 19:49:58,920 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 19:49:58,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:49:58,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:49:58,920 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:49:58,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:49:53" (3/4) ... [2018-12-08 19:49:58,922 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 19:49:58,952 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_42c98687-7947-470e-aae7-6fbf7d289f31/bin-2019/uautomizer/witness.graphml [2018-12-08 19:49:58,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:49:58,953 INFO L168 Benchmark]: Toolchain (without parser) took 6170.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -84.5 MB). Peak memory consumption was 219.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:49:58,954 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:49:58,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:49:58,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:49:58,955 INFO L168 Benchmark]: Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:49:58,955 INFO L168 Benchmark]: RCFGBuilder took 297.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:49:58,955 INFO L168 Benchmark]: BuchiAutomizer took 5497.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.2 MB). Peak memory consumption was 353.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:49:58,955 INFO L168 Benchmark]: Witness Printer took 32.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:49:58,957 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 297.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5497.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.2 MB). Peak memory consumption was 353.0 MB. Max. memory is 11.5 GB. * Witness Printer took 32.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. 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 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 56]: 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=19, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39d132f=0, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26112544=56, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c634c9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14adb04f=0, NULL=0, NULL=0, NULL=22, NULL=35, methaneLevelCritical=0, NULL=14, NULL=0, NULL=0, NULL=39, tmp___1=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=12, NULL=33, NULL=27, NULL=34, NULL=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30d05307=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, retValue_acc=0, NULL=0, NULL=11, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=28, \result=0, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@499dbe19=0, NULL=16, tmp=0, NULL=0, NULL=38, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c66e65=0, tmp___2=56, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30602f44=0, NULL=0, NULL=0, \result=0, NULL=23, NULL=31, tmp=0, head=0, NULL=17, NULL=8, NULL=15, NULL=0, NULL=0, NULL=36, NULL=20, NULL=37, NULL=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L448] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L692] int cleanupTimeShifts = 4; [L815] int waterLevel = 1; [L816] int methaneLevelCritical = 0; [L765] int retValue_acc ; [L766] int tmp ; [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L274] systemActive = 1 [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L159] int tmp ; [L162] COND FALSE !(\read(pumpRunning)) [L789] int tmp ; [L790] int tmp___0 ; [L854] int retValue_acc ; [L857] retValue_acc = methaneLevelCritical [L858] return (retValue_acc); [L794] tmp = isMethaneLevelCritical() [L796] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...