./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/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 d073e73520d645b8f7658ef35479d738282f57bd ...................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 08:56:31,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:31,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:31,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:31,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:31,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:31,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:31,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:31,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:31,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:31,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:31,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:31,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:31,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:31,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:31,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:31,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:31,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:31,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:31,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:31,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:31,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:31,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:31,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:31,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:31,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:31,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:31,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:31,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:31,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:31,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:31,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:31,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:31,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:31,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:31,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:31,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:31,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:31,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:31,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:31,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:31,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:31,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:31,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:31,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:31,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:31,405 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:31,405 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:31,405 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:31,406 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:31,406 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:31,406 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:31,406 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:31,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:31,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:31,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:31,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:31,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:31,408 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:31,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:31,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:31,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:31,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:31,409 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:31,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:31,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:31,409 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:31,410 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:31,410 INFO L138 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_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2019-10-22 08:56:31,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:31,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:31,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:31,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:31,456 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:31,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-10-22 08:56:31,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/data/24611bce2/8ecf53efcc89435aba3847daa2036c5a/FLAG3074e97ba [2019-10-22 08:56:31,939 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:31,939 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-10-22 08:56:31,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/data/24611bce2/8ecf53efcc89435aba3847daa2036c5a/FLAG3074e97ba [2019-10-22 08:56:32,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/data/24611bce2/8ecf53efcc89435aba3847daa2036c5a [2019-10-22 08:56:32,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:32,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:32,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:32,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:32,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:32,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c7e792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32, skipping insertion in model container [2019-10-22 08:56:32,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:32,370 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:32,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:32,794 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:32,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:32,894 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:32,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32 WrapperNode [2019-10-22 08:56:32,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:32,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:32,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:32,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:32,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:32,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:32,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:32,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:32,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:32,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:32,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:32,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:32,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/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 [2019-10-22 08:56:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:33,549 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:33,550 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-10-22 08:56:33,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:33 BoogieIcfgContainer [2019-10-22 08:56:33,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:33,552 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:33,552 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:33,555 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:33,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:33,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:32" (1/3) ... [2019-10-22 08:56:33,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f2dc3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:33, skipping insertion in model container [2019-10-22 08:56:33,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:33,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (2/3) ... [2019-10-22 08:56:33,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f2dc3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:33, skipping insertion in model container [2019-10-22 08:56:33,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:33,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:33" (3/3) ... [2019-10-22 08:56:33,560 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2019-10-22 08:56:33,603 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:33,603 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:33,603 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:33,604 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:33,604 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:33,604 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:33,604 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:33,604 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:33,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:56:33,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:56:33,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:33,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:33,651 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,651 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,651 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:33,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:56:33,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:56:33,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:33,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:33,656 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,656 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,661 INFO L791 eck$LassoCheckResult]: Stem: 25#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.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~methAndRunningLastTime~0 := 0; 9#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 14#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; 6#L73true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 27#L626true assume 0 != main_~tmp~3; 20#L600true ~methAndRunningLastTime~0 := 0; 44#L894true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L905-1true [2019-10-22 08:56:33,662 INFO L793 eck$LassoCheckResult]: Loop: 49#L905-1true assume !false; 11#L830true assume test_~splverifierCounter~0 < 4; 40#L831true test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 53#L839true assume !(0 != test_~tmp~6); 57#L839-1true test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; 30#L849true assume !(0 != test_~tmp___0~0); 33#L849-1true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 16#L859true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 21#L867-1true assume !(0 != ~pumpRunning~0); 63#L653true assume !(0 != ~systemActive~0); 41#L660true havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 39#L502-1true __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 42#L905true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 49#L905-1true [2019-10-22 08:56:33,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-10-22 08:56:33,676 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153127712] [2019-10-22 08:56:33,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:34,317 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:34,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:34,318 INFO L82 PathProgramCache]: Analyzing trace with hash 11926804, now seen corresponding path program 1 times [2019-10-22 08:56:34,319 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:34,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873118436] [2019-10-22 08:56:34,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:34,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873118436] [2019-10-22 08:56:34,397 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:34,397 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:34,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567443347] [2019-10-22 08:56:34,404 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:56:34,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:34,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:34,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:34,425 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-10-22 08:56:34,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:34,514 INFO L93 Difference]: Finished difference Result 137 states and 193 transitions. [2019-10-22 08:56:34,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:34,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 193 transitions. [2019-10-22 08:56:34,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2019-10-22 08:56:34,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 123 states and 178 transitions. [2019-10-22 08:56:34,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123 [2019-10-22 08:56:34,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2019-10-22 08:56:34,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 178 transitions. [2019-10-22 08:56:34,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:34,545 INFO L688 BuchiCegarLoop]: Abstraction has 123 states and 178 transitions. [2019-10-22 08:56:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 178 transitions. [2019-10-22 08:56:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2019-10-22 08:56:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-22 08:56:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2019-10-22 08:56:34,588 INFO L711 BuchiCegarLoop]: Abstraction has 121 states and 175 transitions. [2019-10-22 08:56:34,588 INFO L591 BuchiCegarLoop]: Abstraction has 121 states and 175 transitions. [2019-10-22 08:56:34,589 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:34,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 175 transitions. [2019-10-22 08:56:34,592 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 84 [2019-10-22 08:56:34,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:34,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:34,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:34,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:34,598 INFO L791 eck$LassoCheckResult]: Stem: 254#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.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~methAndRunningLastTime~0 := 0; 230#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 231#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; 224#L73 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 225#L626 assume 0 != main_~tmp~3; 247#L600 ~methAndRunningLastTime~0 := 0; 248#L894 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 219#L905-1 [2019-10-22 08:56:34,598 INFO L793 eck$LassoCheckResult]: Loop: 219#L905-1 assume !false; 234#L830 assume test_~splverifierCounter~0 < 4; 235#L831 test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 338#L839 assume !(0 != test_~tmp~6); 336#L839-1 test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; 335#L849 assume !(0 != test_~tmp___0~0); 333#L849-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 332#L859 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 242#L867-1 assume !(0 != ~pumpRunning~0); 329#L653 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 325#L685 assume !(0 != ~pumpRunning~0); 324#L660 havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 271#L502-1 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 272#L905 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 219#L905-1 [2019-10-22 08:56:34,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:34,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-10-22 08:56:34,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:34,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079746415] [2019-10-22 08:56:34,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:34,974 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:34,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:34,975 INFO L82 PathProgramCache]: Analyzing trace with hash 349202465, now seen corresponding path program 1 times [2019-10-22 08:56:34,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:34,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988121497] [2019-10-22 08:56:34,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:34,986 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:34,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:34,987 INFO L82 PathProgramCache]: Analyzing trace with hash 411590375, now seen corresponding path program 1 times [2019-10-22 08:56:34,987 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:34,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858436014] [2019-10-22 08:56:34,988 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,988 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:35,279 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:00,177 WARN L191 SmtUtils]: Spent 24.74 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-10-22 08:57:11,572 WARN L191 SmtUtils]: Spent 11.38 s on a formula simplification that was a NOOP. DAG size: 451 [2019-10-22 08:57:11,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:11 BoogieIcfgContainer [2019-10-22 08:57:11,630 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:11,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:11,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:11,631 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:11,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:33" (3/4) ... [2019-10-22 08:57:11,635 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:57:11,682 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_442ebc02-1cf0-4d57-bb89-9ad17886e1ee/bin/uautomizer/witness.graphml [2019-10-22 08:57:11,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:11,684 INFO L168 Benchmark]: Toolchain (without parser) took 39382.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 256.9 MB). Free memory was 939.6 MB in the beginning and 1.0 GB in the end (delta: -99.9 MB). Peak memory consumption was 157.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:11,684 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:11,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:11,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.03 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:11,686 INFO L168 Benchmark]: Boogie Preprocessor took 31.95 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. [2019-10-22 08:57:11,686 INFO L168 Benchmark]: RCFGBuilder took 566.28 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:11,686 INFO L168 Benchmark]: BuchiAutomizer took 38078.35 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -25.3 MB). Peak memory consumption was 420.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:11,687 INFO L168 Benchmark]: Witness Printer took 52.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:11,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 593.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.03 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.95 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. * RCFGBuilder took 566.28 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38078.35 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -25.3 MB). Peak memory consumption was 420.9 MB. Max. memory is 11.5 GB. * Witness Printer took 52.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 121 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.7s. 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 121 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 95 SDslu, 86 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: 829]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30560a06=0, NULL=0, NULL=-3, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-7, retValue_acc=0, NULL=0, methaneLevelCritical=0, NULL=-8, NULL=0, NULL=-18, NULL=-22, tmp=0, tmp___1=0, NULL=-16, NULL=-19, NULL=-11, NULL=-21, NULL=-20, cleanupTimeShifts=4, NULL=-14, NULL=-23, NULL=-10, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d3fe025=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-4, \result=0, NULL=-9, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a73d4e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@350bcd9c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7591af1e=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b7330a3=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ab83474=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f022027=0, NULL=-6, NULL=-17, retValue_acc=1, tmp___2=54, tmp___0=0, NULL=-1, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-5, head=0, tmp=0, NULL=0, NULL=-25, NULL=0, NULL=-24, NULL=0, NULL=-12, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-15, NULL=-13, NULL=-2, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L459] int waterLevel = 1; [L460] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L645] int pumpRunning = 0; [L646] int systemActive = 1; [L888] int methAndRunningLastTime ; [L617] int retValue_acc ; [L618] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L893] methAndRunningLastTime = 0 [L820] int splverifierCounter ; [L821] int tmp ; [L822] int tmp___0 ; [L823] int tmp___1 ; [L824] int tmp___2 ; [L827] splverifierCounter = 0 Loop: [L829] COND TRUE 1 [L831] COND TRUE splverifierCounter < 4 [L837] tmp = __VERIFIER_nondet_int() [L839] COND FALSE !(\read(tmp)) [L847] tmp___0 = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp___0)) [L857] tmp___2 = __VERIFIER_nondet_int() [L859] COND TRUE \read(tmp___2) [L814] systemActive = 1 [L653] COND FALSE !(\read(pumpRunning)) [L660] COND TRUE \read(systemActive) [L682] int tmp ; [L685] COND FALSE !(\read(pumpRunning)) [L898] int tmp ; [L899] int tmp___0 ; [L498] int retValue_acc ; [L501] retValue_acc = methaneLevelCritical [L502] return (retValue_acc); [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L921] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...