./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/aviad.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/aviad.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 64bit --witnessprinter.graph.data.programhash 1c10aefceff4fe6e12a2ebf53b3727fe6584e20c ............................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:15:35,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:15:35,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:15:36,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:15:36,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:15:36,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:15:36,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:15:36,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:15:36,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:15:36,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:15:36,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:15:36,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:15:36,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:15:36,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:15:36,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:15:36,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:15:36,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:15:36,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:15:36,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:15:36,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:15:36,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:15:36,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:15:36,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:15:36,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:15:36,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:15:36,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:15:36,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:15:36,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:15:36,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:15:36,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:15:36,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:15:36,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:15:36,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:15:36,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:15:36,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:15:36,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:15:36,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:15:36,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:15:36,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:15:36,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:15:36,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:15:36,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:15:36,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:15:36,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:15:36,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:15:36,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:15:36,117 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:15:36,117 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:15:36,117 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:15:36,118 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:15:36,118 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:15:36,118 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:15:36,118 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:15:36,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:15:36,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:15:36,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:15:36,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:15:36,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:15:36,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:15:36,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:15:36,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:15:36,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:15:36,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:15:36,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:15:36,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:15:36,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:15:36,124 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:15:36,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:15:36,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:15:36,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:15:36,125 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:15:36,126 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:15:36,126 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c10aefceff4fe6e12a2ebf53b3727fe6584e20c [2020-10-26 04:15:36,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:15:36,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:15:36,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:15:36,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:15:36,617 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:15:36,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/aviad.c [2020-10-26 04:15:36,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58bec3cc/15f33c96c5e94570838fb4f69015baa9/FLAG37137b270 [2020-10-26 04:15:37,314 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:15:37,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/aviad.c [2020-10-26 04:15:37,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58bec3cc/15f33c96c5e94570838fb4f69015baa9/FLAG37137b270 [2020-10-26 04:15:37,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58bec3cc/15f33c96c5e94570838fb4f69015baa9 [2020-10-26 04:15:37,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:15:37,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:15:37,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:15:37,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:15:37,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:15:37,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b973cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37, skipping insertion in model container [2020-10-26 04:15:37,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:15:37,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:15:37,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:15:37,880 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:15:37,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:15:37,910 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:15:37,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37 WrapperNode [2020-10-26 04:15:37,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:15:37,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:15:37,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:15:37,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:15:37,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:15:37,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:15:37,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:15:37,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:15:37,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... [2020-10-26 04:15:37,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:15:37,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:15:37,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:15:37,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:15:37,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:15:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:15:38,243 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:15:38,243 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-26 04:15:38,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:15:38 BoogieIcfgContainer [2020-10-26 04:15:38,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:15:38,247 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:15:38,247 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:15:38,250 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:15:38,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:15:38,252 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:15:37" (1/3) ... [2020-10-26 04:15:38,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b4f2f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:15:38, skipping insertion in model container [2020-10-26 04:15:38,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:15:38,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:37" (2/3) ... [2020-10-26 04:15:38,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b4f2f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:15:38, skipping insertion in model container [2020-10-26 04:15:38,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:15:38,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:15:38" (3/3) ... [2020-10-26 04:15:38,256 INFO L373 chiAutomizerObserver]: Analyzing ICFG aviad.c [2020-10-26 04:15:38,329 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:15:38,329 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:15:38,329 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:15:38,330 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:15:38,330 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:15:38,330 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:15:38,330 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:15:38,330 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:15:38,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-26 04:15:38,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:15:38,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:15:38,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:15:38,380 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:15:38,380 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:15:38,380 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:15:38,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-26 04:15:38,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:15:38,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:15:38,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:15:38,383 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:15:38,383 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:15:38,392 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~x~0, main_~count~1;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;f_#in~a := main_~x~0;havoc f_#res;havoc f_#t~post0, f_~a, f_~tmp~0, f_~count~0;f_~a := f_#in~a;havoc f_~tmp~0;f_~count~0 := 0; 11#L11-2true [2020-10-26 04:15:38,392 INFO L796 eck$LassoCheckResult]: Loop: 11#L11-2true assume !!(f_~a > 1);f_~tmp~0 := (if f_~a < 0 && 0 != f_~a % 2 then f_~a % 2 - 2 else f_~a % 2); 8#L13true assume 0 == f_~tmp~0;f_~a := (if f_~a < 0 && 0 != f_~a % 2 then 1 + f_~a / 2 else f_~a / 2); 4#L13-2true f_#t~post0 := f_~count~0;f_~count~0 := 1 + f_#t~post0;havoc f_#t~post0; 11#L11-2true [2020-10-26 04:15:38,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:38,401 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-26 04:15:38,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:38,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281906725] [2020-10-26 04:15:38,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:38,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:38,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:38,534 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:38,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:38,536 INFO L82 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2020-10-26 04:15:38,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:38,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408789817] [2020-10-26 04:15:38,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:38,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:38,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:38,589 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:38,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:38,594 INFO L82 PathProgramCache]: Analyzing trace with hash 963342, now seen corresponding path program 1 times [2020-10-26 04:15:38,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:38,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349342461] [2020-10-26 04:15:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:38,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:38,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:38,662 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:38,863 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:15:38,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:15:38,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:15:38,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:15:38,864 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:15:38,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:38,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:15:38,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:15:38,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad.c_Iteration1_Loop [2020-10-26 04:15:38,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:15:38,866 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:15:38,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:15:38,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:15:38,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:15:39,064 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:15:39,065 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:15:39,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:39,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:15:39,081 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:15:39,082 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0=0} Honda state: {ULTIMATE.start_f_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:39,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:39,140 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:39,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:15:39,211 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:39,296 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:15:39,298 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:15:39,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:15:39,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:15:39,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:15:39,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:15:39,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:39,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:15:39,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:15:39,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad.c_Iteration1_Loop [2020-10-26 04:15:39,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:15:39,299 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:15:39,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:15:39,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:15:39,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:15:39,436 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:15:39,442 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:39,450 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 [2020-10-26 04:15:39,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:39,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:39,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:39,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:39,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:15:39,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:15:39,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:39,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:39,515 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 [2020-10-26 04:15:39,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:39,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:39,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:39,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:39,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:15:39,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:15:39,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:39,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:39,569 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:15:39,569 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:39,581 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:15:39,582 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:15:39,583 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:15:39,583 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~a) = 1*ULTIMATE.start_f_~a Supporting invariants [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:39,623 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:15:39,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:15:39,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:15:39,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:15:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:15:39,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:15:39,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:15:39,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-26 04:15:39,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-26 04:15:39,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-26 04:15:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:15:40,056 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-26 04:15:40,058 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2020-10-26 04:15:40,108 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2020-10-26 04:15:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:15:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:15:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-10-26 04:15:40,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 3 letters. [2020-10-26 04:15:40,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:15:40,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-26 04:15:40,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:15:40,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 6 letters. [2020-10-26 04:15:40,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:15:40,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2020-10-26 04:15:40,121 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:15:40,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-26 04:15:40,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:15:40,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:15:40,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:15:40,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:15:40,126 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:15:40,126 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:15:40,126 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:15:40,126 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:15:40,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:15:40,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:15:40,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:15:40,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:15:40 BoogieIcfgContainer [2020-10-26 04:15:40,134 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:15:40,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:15:40,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:15:40,135 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:15:40,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:15:38" (3/4) ... [2020-10-26 04:15:40,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:15:40,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:15:40,142 INFO L168 Benchmark]: Toolchain (without parser) took 2470.14 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 31.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:40,143 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:40,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.85 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 31.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:40,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.50 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 30.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:40,146 INFO L168 Benchmark]: Boogie Preprocessor took 21.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 29.3 MB in the end (delta: 910.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:40,147 INFO L168 Benchmark]: RCFGBuilder took 274.62 ms. Allocated memory is still 50.3 MB. Free memory was 29.2 MB in the beginning and 20.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:40,148 INFO L168 Benchmark]: BuchiAutomizer took 1887.24 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 32.0 MB in the end (delta: -11.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:40,149 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 60.8 MB. Free memory was 32.0 MB in the beginning and 31.7 MB in the end (delta: 339.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:40,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.85 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 31.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.50 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 30.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 29.3 MB in the end (delta: 910.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 274.62 ms. Allocated memory is still 50.3 MB. Free memory was 29.2 MB in the beginning and 20.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1887.24 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 32.0 MB in the end (delta: -11.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.14 ms. Allocated memory is still 60.8 MB. Free memory was 32.0 MB in the beginning and 31.7 MB in the end (delta: 339.4 kB). There was no memory consumed. Max. memory is 16.1 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 a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 6 SDtfs, 7 SDslu, 10 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div500 bol100 ite100 ukn100 eq131 hnf46 smp57 dnf100 smp100 tf106 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 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...