./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007.i -s /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/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 cc52fae450c71cb08003ff68124573964734a280 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:57:25,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:25,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:25,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:25,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:25,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:25,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:25,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:25,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:25,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:25,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:25,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:25,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:25,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:25,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:25,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:25,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:25,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:25,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:25,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:25,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:25,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:25,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:25,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:25,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:25,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:25,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:25,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:25,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:25,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:25,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:25,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:25,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:25,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:25,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:25,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:25,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:25,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:25,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:25,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:25,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:25,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:57:25,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:25,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:25,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:25,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:25,189 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:25,189 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:57:25,189 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:57:25,189 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:57:25,189 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:57:25,190 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:57:25,190 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:57:25,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:25,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:25,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:57:25,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:25,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:25,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:25,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:57:25,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:57:25,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:57:25,192 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:25,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:25,192 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:57:25,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:25,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:57:25,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:25,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:25,193 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:57:25,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:25,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:25,194 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:57:25,195 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:57:25,195 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_737e15c9-5874-40c0-a796-8ce9aa96c581/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 -> cc52fae450c71cb08003ff68124573964734a280 [2019-11-25 08:57:25,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:25,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:25,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:25,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:25,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:25,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/../../sv-benchmarks/c/loop-lit/bhmr2007.i [2019-11-25 08:57:25,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/data/9813f938c/68aaf806da1f456db99aaeea2beac16b/FLAGe5c9cc3f4 [2019-11-25 08:57:25,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:25,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/sv-benchmarks/c/loop-lit/bhmr2007.i [2019-11-25 08:57:25,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/data/9813f938c/68aaf806da1f456db99aaeea2beac16b/FLAGe5c9cc3f4 [2019-11-25 08:57:26,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/data/9813f938c/68aaf806da1f456db99aaeea2beac16b [2019-11-25 08:57:26,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:26,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:26,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:26,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:26,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:26,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e434ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26, skipping insertion in model container [2019-11-25 08:57:26,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:26,267 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:26,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:26,399 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:26,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:26,484 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:26,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26 WrapperNode [2019-11-25 08:57:26,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:26,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:26,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:26,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:26,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:26,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:26,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:26,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:26,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... [2019-11-25 08:57:26,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:26,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:26,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:26,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:26,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/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 [2019-11-25 08:57:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:26,797 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:26,798 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:57:26,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:26 BoogieIcfgContainer [2019-11-25 08:57:26,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:26,799 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:57:26,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:57:26,803 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:57:26,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:26,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:57:26" (1/3) ... [2019-11-25 08:57:26,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d257cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:26, skipping insertion in model container [2019-11-25 08:57:26,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:26,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:26" (2/3) ... [2019-11-25 08:57:26,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d257cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:26, skipping insertion in model container [2019-11-25 08:57:26,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:26,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:26" (3/3) ... [2019-11-25 08:57:26,807 INFO L371 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2019-11-25 08:57:26,850 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:57:26,850 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:57:26,850 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:57:26,851 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:26,851 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:26,851 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:57:26,851 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:26,851 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:57:26,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-25 08:57:26,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:57:26,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:26,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:26,889 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:57:26,890 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:57:26,890 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:57:26,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-25 08:57:26,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:57:26,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:26,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:26,892 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:57:26,892 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:57:26,899 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_~i~0, main_~n~0, main_~a~0, main_~b~0;havoc main_~i~0;havoc main_~n~0;havoc main_~a~0;havoc main_~b~0;main_~i~0 := 0;main_~a~0 := 0;main_~b~0 := 0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L13true assume !!(main_~n~0 >= 0 && main_~n~0 <= 1000000); 7#L14-2true [2019-11-25 08:57:26,900 INFO L796 eck$LassoCheckResult]: Loop: 7#L14-2true assume !!(main_~i~0 < main_~n~0); 3#L15true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~a~0 := 1 + main_~a~0;main_~b~0 := 2 + main_~b~0; 11#L15-2true main_~i~0 := 1 + main_~i~0; 7#L14-2true [2019-11-25 08:57:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:26,906 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-25 08:57:26,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:26,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932843416] [2019-11-25 08:57:26,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:27,000 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:27,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:27,002 INFO L82 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2019-11-25 08:57:27,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:27,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924570668] [2019-11-25 08:57:27,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:27,018 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:27,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:27,019 INFO L82 PathProgramCache]: Analyzing trace with hash 29746413, now seen corresponding path program 1 times [2019-11-25 08:57:27,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:27,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167880071] [2019-11-25 08:57:27,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:27,036 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:27,102 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:27,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:27,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:27,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:27,103 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:27,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:27,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:27,104 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2019-11-25 08:57:27,104 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:27,104 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:27,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,284 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:27,284 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/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) [2019-11-25 08:57:27,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:27,294 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/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 [2019-11-25 08:57:27,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:27,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:27,322 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:27,322 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=0} Honda state: {ULTIMATE.start_main_~b~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0=-1}, {ULTIMATE.start_main_~b~0=7}, {ULTIMATE.start_main_~b~0=-4}] Lambdas: [8, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/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 [2019-11-25 08:57:27,327 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:27,327 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/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 [2019-11-25 08:57:27,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:27,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:27,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:27,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=0} Honda state: {ULTIMATE.start_main_~a~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=0}, {ULTIMATE.start_main_~a~0=4}, {ULTIMATE.start_main_~a~0=-3}] Lambdas: [11, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:27,360 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:27,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:27,480 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:57:27,482 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:27,482 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:27,482 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:27,482 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:27,482 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:57:27,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:27,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:27,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2019-11-25 08:57:27,483 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:27,483 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:27,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:27,617 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:27,621 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,634 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 [2019-11-25 08:57:27,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:27,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:27,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:27,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:27,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:27,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:27,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:57:27,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:27,657 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 [2019-11-25 08:57:27,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:27,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:27,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:27,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:27,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:27,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:27,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,674 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 [2019-11-25 08:57:27,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:27,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:27,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:27,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:27,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:27,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:27,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:57:27,680 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:57:27,686 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-25 08:57:27,686 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737e15c9-5874-40c0-a796-8ce9aa96c581/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:27,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:57:27,706 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:57:27,706 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:57:27,706 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-25 08:57:27,713 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:57:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:27,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:57:27,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:27,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:57:27,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:27,816 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:57:27,818 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-11-25 08:57:27,874 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 32 states and 40 transitions. Complement of second has 7 states. [2019-11-25 08:57:27,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:57:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:57:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2019-11-25 08:57:27,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-25 08:57:27,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:27,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-25 08:57:27,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:27,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-25 08:57:27,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:27,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2019-11-25 08:57:27,891 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:27,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-25 08:57:27,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:57:27,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:57:27,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:57:27,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:57:27,896 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:27,896 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:27,896 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:27,896 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:57:27,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:57:27,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:27,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:57:27,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:57:27 BoogieIcfgContainer [2019-11-25 08:57:27,902 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:57:27,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:27,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:27,903 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:27,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:26" (3/4) ... [2019-11-25 08:57:27,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:57:27,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:27,908 INFO L168 Benchmark]: Toolchain (without parser) took 1668.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -75.9 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:27,908 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:27,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:27,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:27,910 INFO L168 Benchmark]: Boogie Preprocessor took 17.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:27,910 INFO L168 Benchmark]: RCFGBuilder took 269.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:27,911 INFO L168 Benchmark]: BuchiAutomizer took 1103.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:27,911 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:27,914 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 269.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1103.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 13 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...