./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label18.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/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 2e4fd6f38c666ed2ed315215d838ee7e77b78a41 ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:24:46,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:24:46,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:24:46,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:24:46,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:24:46,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:24:46,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:24:46,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:24:46,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:24:46,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:24:46,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:24:46,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:24:46,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:24:46,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:24:46,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:24:46,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:24:46,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:24:46,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:24:46,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:24:46,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:24:46,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:24:46,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:24:46,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:24:46,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:24:46,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:24:46,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:24:46,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:24:46,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:24:46,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:24:46,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:24:46,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:24:46,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:24:46,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:24:46,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:24:46,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:24:46,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:24:46,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:24:46,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:24:46,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:24:46,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:24:46,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:24:46,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 14:24:46,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:24:46,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:24:46,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:24:46,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:24:46,134 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:24:46,134 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:24:46,134 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:24:46,134 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:24:46,134 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:24:46,134 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:24:46,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:24:46,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:24:46,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:24:46,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:24:46,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:24:46,137 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:24:46,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:24:46,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:24:46,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:24:46,137 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:24:46,138 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:24:46,138 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/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/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 -> 2e4fd6f38c666ed2ed315215d838ee7e77b78a41 [2019-12-07 14:24:46,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:24:46,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:24:46,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:24:46,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:24:46,247 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:24:46,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label18.c [2019-12-07 14:24:46,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/data/d13015c90/f4a645f3f8e74feaa098443637d6ffa7/FLAGe81d467f1 [2019-12-07 14:24:46,793 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:24:46,794 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/sv-benchmarks/c/eca-rers2012/Problem15_label18.c [2019-12-07 14:24:46,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/data/d13015c90/f4a645f3f8e74feaa098443637d6ffa7/FLAGe81d467f1 [2019-12-07 14:24:47,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/data/d13015c90/f4a645f3f8e74feaa098443637d6ffa7 [2019-12-07 14:24:47,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:24:47,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:24:47,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:24:47,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:24:47,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:24:47,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:47,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174ba895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47, skipping insertion in model container [2019-12-07 14:24:47,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:47,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:24:47,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:24:47,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:24:47,826 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:24:47,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:24:47,999 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:24:48,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47 WrapperNode [2019-12-07 14:24:48,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:24:48,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:24:48,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:24:48,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:24:48,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:24:48,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:24:48,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:24:48,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:24:48,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... [2019-12-07 14:24:48,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:24:48,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:24:48,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:24:48,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:24:48,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/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 [2019-12-07 14:24:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:24:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:24:50,400 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:24:50,400 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 14:24:50,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:24:50 BoogieIcfgContainer [2019-12-07 14:24:50,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:24:50,401 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:24:50,401 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:24:50,403 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:24:50,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:24:50,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:24:47" (1/3) ... [2019-12-07 14:24:50,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37ff3491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:24:50, skipping insertion in model container [2019-12-07 14:24:50,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:24:50,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:47" (2/3) ... [2019-12-07 14:24:50,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37ff3491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:24:50, skipping insertion in model container [2019-12-07 14:24:50,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:24:50,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:24:50" (3/3) ... [2019-12-07 14:24:50,406 INFO L371 chiAutomizerObserver]: Analyzing ICFG Problem15_label18.c [2019-12-07 14:24:50,434 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:24:50,434 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:24:50,434 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:24:50,434 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:24:50,435 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:24:50,435 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:24:50,435 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:24:50,435 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:24:50,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 423 states. [2019-12-07 14:24:50,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2019-12-07 14:24:50,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:24:50,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:24:50,493 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 14:24:50,494 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:24:50,494 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:24:50,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 423 states. [2019-12-07 14:24:50,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2019-12-07 14:24:50,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:24:50,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:24:50,504 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 14:24:50,504 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:24:50,509 INFO L794 eck$LassoCheckResult]: Stem: 299#ULTIMATE.startENTRYtrue ~inputD~0 := 4;~inputB~0 := 2;~inputE~0 := 5;~inputA~0 := 1;~inputF~0 := 6;~inputC~0 := 3;~a4~0 := -89;~a29~0 := -127;~a2~0 := 1;~a0~0 := -44; 225#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5, main_~input~0, main_~output~0;main_~output~0 := -1; 3#L1766-2true [2019-12-07 14:24:50,511 INFO L796 eck$LassoCheckResult]: Loop: 3#L1766-2true assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet4;havoc main_#t~nondet4; 253#L1771true assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_#t~ret3, calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 216#L24true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 213#L24-2true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 80#L27-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 383#L30-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 300#L33-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 178#L36-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 365#L39-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 256#L42-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 139#L45-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 13#L48-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 329#L51-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 226#L54-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 217#L57-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 82#L60-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 386#L63-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 302#L66-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 180#L69-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 367#L72-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 268#L75-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 142#L78-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 15#L81-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 332#L84-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 229#L87-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 219#L90-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 85#L93-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 394#L96-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 305#L99-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 165#L102-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 369#L105-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 272#L108-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 145#L111-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 19#L114-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 334#L117-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 231#L120-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 205#L123-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 88#L126-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 397#L129-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 307#L132-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 168#L135-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 371#L138-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 275#L141-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 126#L144-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 21#L147-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 341#L150-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 235#L153-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 207#L156-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 91#L159-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 400#L162-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 309#L165-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -61 < ~a0~0) && ~a29~0 <= -144); 171#L168-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 58#L171-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 277#L174-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 129#L177-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 24#L180-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 345#L183-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 237#L186-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 209#L189-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 99#L192-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 405#L195-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 292#L198-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 173#L201-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 60#L204-1true assume -61 < ~a0~0 && ~a4~0 <= -86 && 1 == calculate_output_~input && ((3 == ~a2~0 && ~a29~0 <= -144) || (2 == ~a2~0 && -16 < ~a29~0 && 43 >= ~a29~0) || (43 < ~a29~0 && 2 == ~a2~0));~a0~0 := 5 * (if -300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) < 0 && 0 != (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) % 5 then 1 + (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) / 5 else (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) / 5) - 2;~a29~0 := (if (if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019 < 0 && 0 != ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) % 5 then 1 + ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) / 5 else ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) / 5);~a2~0 := 1;calculate_output_#res := -1; 40#L1655true main_#t~ret5 := calculate_output_#res;main_~output~0 := main_#t~ret5;havoc main_#t~ret5; 3#L1766-2true [2019-12-07 14:24:50,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:24:50,515 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 14:24:50,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:24:50,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045177929] [2019-12-07 14:24:50,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:24:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:24:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:24:50,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:24:50,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:24:50,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1810396639, now seen corresponding path program 1 times [2019-12-07 14:24:50,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:24:50,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387856848] [2019-12-07 14:24:50,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:24:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:24:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:24:50,687 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:24:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:24:50,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1921383005, now seen corresponding path program 1 times [2019-12-07 14:24:50,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:24:50,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29752359] [2019-12-07 14:24:50,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:24:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:24:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:24:50,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29752359] [2019-12-07 14:24:50,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:24:50,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:24:50,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325177093] [2019-12-07 14:24:51,362 WARN L192 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 90 [2019-12-07 14:24:51,421 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:24:51,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:24:51,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:24:51,422 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:24:51,422 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 14:24:51,422 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:24:51,422 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:24:51,422 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:24:51,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem15_label18.c_Iteration1_Loop [2019-12-07 14:24:51,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:24:51,422 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:24:51,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:24:51,685 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2019-12-07 14:24:51,895 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-12-07 14:24:51,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:24:52,286 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2019-12-07 14:24:54,122 WARN L192 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 200 DAG size of output: 81 [2019-12-07 14:24:54,146 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:24:54,147 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:24:54,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:24:54,171 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:24:55,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 14:24:55,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:25:07,835 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-12-07 14:25:07,846 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:25:07,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:25:07,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:25:07,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:25:07,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:25:07,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:25:07,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:25:07,847 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:25:07,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem15_label18.c_Iteration1_Loop [2019-12-07 14:25:07,847 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:25:07,847 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:25:07,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:07,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:07,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:07,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:07,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:07,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:07,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:25:08,056 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2019-12-07 14:25:08,472 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2019-12-07 14:25:08,496 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:25:08,858 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2019-12-07 14:25:10,048 WARN L192 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 167 DAG size of output: 82 [2019-12-07 14:25:10,067 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:25:10,072 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:25:10,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:25:10,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:25:10,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:25:10,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:25:10,078 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2019-12-07 14:25:10,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:25:10,086 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 14:25:10,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:25:10,097 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:25:10,107 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 14:25:10,107 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4feb812b-5c05-47cb-bbef-229bb8fcec30/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:25:10,111 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:25:10,111 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 14:25:10,111 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:25:10,112 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a0~0) = 1*~a0~0 + 132 Supporting invariants [] [2019-12-07 14:25:10,116 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 14:25:10,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:10,147 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:25:10,148 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:10,171 INFO L264 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:25:10,173 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:10,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,186 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,186 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,191 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:10,192 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:25:29,166 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-12-07 14:25:29,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:738) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:520) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 14:25:29,169 INFO L168 Benchmark]: Toolchain (without parser) took 41848.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:29,170 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:29,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 931.7 MB in the beginning and 1.0 GB in the end (delta: -77.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:29,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 971.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:29,171 INFO L168 Benchmark]: Boogie Preprocessor took 126.79 ms. Allocated memory is still 1.1 GB. Free memory was 971.7 MB in the beginning and 950.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:29,171 INFO L168 Benchmark]: RCFGBuilder took 2154.62 ms. Allocated memory is still 1.1 GB. Free memory was 950.2 MB in the beginning and 883.9 MB in the end (delta: 66.3 MB). Peak memory consumption was 160.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:29,172 INFO L168 Benchmark]: BuchiAutomizer took 38767.08 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 243.8 MB). Free memory was 883.9 MB in the beginning and 1.1 GB in the end (delta: -229.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:29,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 677.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 931.7 MB in the beginning and 1.0 GB in the end (delta: -77.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 971.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.79 ms. Allocated memory is still 1.1 GB. Free memory was 971.7 MB in the beginning and 950.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2154.62 ms. Allocated memory is still 1.1 GB. Free memory was 950.2 MB in the beginning and 883.9 MB in the end (delta: 66.3 MB). Peak memory consumption was 160.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38767.08 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 243.8 MB). Free memory was 883.9 MB in the beginning and 1.1 GB in the end (delta: -229.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:155) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...