./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/css2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loop-lit/css2003.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash f86f1d97a8eea81a810b00eedf9f945dcb9155ec .............................................................................................................................................................................................................................................................................................................................................................................. 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 04:50:05,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:50:05,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:50:05,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:50:05,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:50:05,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:50:05,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:50:05,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:50:05,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:50:05,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:50:05,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:50:05,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:50:05,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:50:05,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:50:05,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:50:05,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:50:05,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:50:05,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:50:05,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:50:05,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:50:05,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:50:05,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:50:05,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:50:05,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:50:05,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:50:05,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:50:05,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:50:05,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:50:05,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:50:05,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:50:05,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:50:05,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:50:05,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:50:05,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:50:05,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:50:05,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:50:05,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:50:05,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:50:05,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:50:05,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:50:05,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:50:05,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:50:05,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:50:05,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:50:05,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:50:05,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:50:05,287 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:50:05,287 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:50:05,287 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:50:05,287 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:50:05,287 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:50:05,288 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:50:05,288 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:50:05,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:50:05,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:50:05,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:50:05,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:50:05,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:50:05,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:50:05,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:50:05,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:50:05,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:50:05,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:50:05,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:50:05,292 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:50:05,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:50:05,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:50:05,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:50:05,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:50:05,294 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:50:05,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:50:05,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:50:05,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:50:05,295 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:50:05,297 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:50:05,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f86f1d97a8eea81a810b00eedf9f945dcb9155ec [2020-10-26 04:50:05,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:50:05,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:50:05,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:50:05,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:50:05,749 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:50:05,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/css2003.i [2020-10-26 04:50:05,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/482c034cf/678b026529a74e6ab1ac4e41cec8a66d/FLAGdc23f6078 [2020-10-26 04:50:06,432 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:50:06,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/css2003.i [2020-10-26 04:50:06,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/482c034cf/678b026529a74e6ab1ac4e41cec8a66d/FLAGdc23f6078 [2020-10-26 04:50:06,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/482c034cf/678b026529a74e6ab1ac4e41cec8a66d [2020-10-26 04:50:06,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:50:06,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:50:06,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:50:06,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:50:06,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:50:06,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:50:06" (1/1) ... [2020-10-26 04:50:06,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0065ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:06, skipping insertion in model container [2020-10-26 04:50:06,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:50:06" (1/1) ... [2020-10-26 04:50:06,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:50:06,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:50:07,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:50:07,130 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:50:07,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:50:07,166 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:50:07,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07 WrapperNode [2020-10-26 04:50:07,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:50:07,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:50:07,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:50:07,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:50:07,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:50:07,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:50:07,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:50:07,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:50:07,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (1/1) ... [2020-10-26 04:50:07,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:50:07,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:50:07,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:50:07,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:50:07,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (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 04:50:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:50:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:50:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:50:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:50:07,547 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:50:07,548 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 04:50:07,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:50:07 BoogieIcfgContainer [2020-10-26 04:50:07,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:50:07,552 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:50:07,552 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:50:07,556 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:50:07,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:50:07,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:50:06" (1/3) ... [2020-10-26 04:50:07,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7391364c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:50:07, skipping insertion in model container [2020-10-26 04:50:07,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:50:07,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:07" (2/3) ... [2020-10-26 04:50:07,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7391364c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:50:07, skipping insertion in model container [2020-10-26 04:50:07,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:50:07,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:50:07" (3/3) ... [2020-10-26 04:50:07,563 INFO L373 chiAutomizerObserver]: Analyzing ICFG css2003.i [2020-10-26 04:50:07,626 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:50:07,626 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:50:07,627 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:50:07,627 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:50:07,627 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:50:07,627 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:50:07,627 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:50:07,628 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:50:07,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-26 04:50:07,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:50:07,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:50:07,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:50:07,745 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:50:07,745 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:50:07,746 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:50:07,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-26 04:50:07,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:50:07,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:50:07,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:50:07,752 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:50:07,753 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:50:07,770 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 3#L-1true havoc main_#res;havoc main_#t~nondet3, main_~i~0, main_~j~0, main_~k~0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;main_~i~0 := 1;main_~j~0 := 1;main_~k~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L29true assume !!(0 <= main_~k~0 && main_~k~0 <= 1); 6#L18-2true [2020-10-26 04:50:07,774 INFO L796 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(main_~i~0 < 1000000);main_~i~0 := 1 + main_~i~0;main_~j~0 := main_~j~0 + main_~k~0;main_~k~0 := main_~k~0 - 1;__VERIFIER_assert_#in~cond := (if (1 <= main_~i~0 + main_~k~0 && main_~i~0 + main_~k~0 <= 2) && main_~i~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 10#L18true assume !(0 == __VERIFIER_assert_~cond); 6#L18-2true [2020-10-26 04:50:07,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:07,791 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-26 04:50:07,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:50:07,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935905042] [2020-10-26 04:50:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:50:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:07,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:07,993 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:08,017 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:50:08,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:08,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1487, now seen corresponding path program 1 times [2020-10-26 04:50:08,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:50:08,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525910389] [2020-10-26 04:50:08,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:50:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:08,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:08,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:08,056 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:50:08,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:08,058 INFO L82 PathProgramCache]: Analyzing trace with hash 28695986, now seen corresponding path program 1 times [2020-10-26 04:50:08,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:50:08,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989559365] [2020-10-26 04:50:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:50:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:08,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:08,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:08,156 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:50:08,442 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2020-10-26 04:50:08,457 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:50:08,458 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:50:08,458 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:50:08,458 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:50:08,459 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:50:08,459 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:08,459 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:50:08,459 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:50:08,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2020-10-26 04:50:08,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:50:08,460 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:50:08,484 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 04:50:08,504 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 04:50:08,690 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:50:08,691 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) [2020-10-26 04:50:08,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:50:08,702 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 [2020-10-26 04:50:08,717 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:50:08,718 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} 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 04:50:08,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:50:08,765 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 04:50:08,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:50:08,808 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 04:50:08,855 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:50:08,857 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:50:08,857 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:50:08,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:50:08,858 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:50:08,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:50:08,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:08,858 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:50:08,858 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:50:08,858 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2020-10-26 04:50:08,858 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:50:08,859 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:50:08,863 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 04:50:08,887 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 04:50:08,995 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:50:09,000 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 04:50:09,007 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 04:50:09,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:50:09,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:50:09,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:50:09,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:50:09,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:50:09,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:50:09,016 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 04:50:09,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:50:09,027 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:50:09,027 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 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 04:50:09,035 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:50:09,035 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:50:09,036 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:50:09,037 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:09,071 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:50:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:50:09,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:50:09,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:50:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:50:09,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:50:09,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:50:09,242 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 04:50:09,261 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 [2020-10-26 04:50:09,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-10-26 04:50:09,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 32 states and 41 transitions. Complement of second has 5 states. [2020-10-26 04:50:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:50:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:50:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2020-10-26 04:50:09,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 3 letters. Loop has 2 letters. [2020-10-26 04:50:09,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:50:09,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-26 04:50:09,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:50:09,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2020-10-26 04:50:09,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:50:09,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2020-10-26 04:50:09,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:50:09,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-10-26 04:50:09,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:50:09,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:50:09,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:50:09,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:50:09,326 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:50:09,327 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:50:09,327 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:50:09,327 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:50:09,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:50:09,327 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:50:09,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:50:09,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:50:09 BoogieIcfgContainer [2020-10-26 04:50:09,334 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:50:09,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:50:09,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:50:09,335 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:50:09,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:50:07" (3/4) ... [2020-10-26 04:50:09,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:50:09,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:50:09,341 INFO L168 Benchmark]: Toolchain (without parser) took 2506.90 ms. Allocated memory was 39.8 MB in the beginning and 60.8 MB in the end (delta: 21.0 MB). Free memory was 19.5 MB in the beginning and 34.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:09,341 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 39.8 MB. Free memory was 26.5 MB in the beginning and 26.4 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:09,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.69 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 18.9 MB in the beginning and 28.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:09,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.58 ms. Allocated memory is still 50.3 MB. Free memory was 28.5 MB in the beginning and 27.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:09,344 INFO L168 Benchmark]: Boogie Preprocessor took 26.40 ms. Allocated memory is still 50.3 MB. Free memory was 27.1 MB in the beginning and 26.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:09,345 INFO L168 Benchmark]: RCFGBuilder took 315.37 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 27.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:09,346 INFO L168 Benchmark]: BuchiAutomizer took 1781.79 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 34.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:09,347 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 60.8 MB. Free memory was 34.6 MB in the beginning and 34.2 MB in the end (delta: 387.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:09,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 39.8 MB. Free memory was 26.5 MB in the beginning and 26.4 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.69 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 18.9 MB in the beginning and 28.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.58 ms. Allocated memory is still 50.3 MB. Free memory was 28.5 MB in the beginning and 27.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.40 ms. Allocated memory is still 50.3 MB. Free memory was 27.1 MB in the beginning and 26.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 315.37 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 27.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1781.79 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 34.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.44 ms. Allocated memory is still 60.8 MB. Free memory was 34.6 MB in the beginning and 34.2 MB in the end (delta: 387.2 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 -2 * i + 1999999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 12 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital39 mio100 ax100 hnf100 lsp84 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf104 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 6 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...