./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_nondet.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_nondet.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7401142dde22248f078fa0bb75fb54c80144fd4 ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:17:42,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:17:42,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:17:42,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:17:42,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:17:42,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:17:42,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:17:42,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:17:42,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:17:42,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:17:42,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:17:42,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:17:42,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:17:42,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:17:42,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:17:42,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:17:42,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:17:42,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:17:42,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:17:42,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:17:42,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:17:42,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:17:42,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:17:42,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:17:42,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:17:42,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:17:42,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:17:42,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:17:42,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:17:42,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:17:42,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:17:42,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:17:42,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:17:42,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:17:42,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:17:42,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:17:42,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:17:42,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:17:42,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:17:42,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:17:42,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:17:42,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:17:42,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:17:42,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:17:42,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:17:42,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:17:42,335 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:17:42,335 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:17:42,336 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:17:42,336 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:17:42,336 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:17:42,336 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:17:42,338 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:17:42,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:17:42,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:17:42,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:17:42,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:17:42,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:17:42,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:17:42,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:17:42,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:17:42,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:17:42,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:17:42,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:17:42,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:17:42,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:17:42,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:17:42,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:17:42,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:17:42,342 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:17:42,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:17:42,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:17:42,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:17:42,346 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:17:42,349 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:17:42,349 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:/tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7401142dde22248f078fa0bb75fb54c80144fd4 [2020-11-29 18:17:42,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:17:42,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:17:42,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:17:42,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:17:42,652 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:17:42,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/../../sv-benchmarks/c/loop-new/count_by_nondet.i [2020-11-29 18:17:42,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/data/5056ade9e/b8b150454eeb47b1948752d100456ea1/FLAG058cb2acd [2020-11-29 18:17:43,209 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:17:43,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/sv-benchmarks/c/loop-new/count_by_nondet.i [2020-11-29 18:17:43,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/data/5056ade9e/b8b150454eeb47b1948752d100456ea1/FLAG058cb2acd [2020-11-29 18:17:43,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/data/5056ade9e/b8b150454eeb47b1948752d100456ea1 [2020-11-29 18:17:43,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:17:43,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:17:43,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:17:43,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:17:43,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:17:43,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47983c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43, skipping insertion in model container [2020-11-29 18:17:43,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:17:43,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:17:43,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:17:43,842 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:17:43,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:17:43,882 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:17:43,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43 WrapperNode [2020-11-29 18:17:43,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:17:43,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:17:43,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:17:43,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:17:43,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:17:43,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:17:43,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:17:43,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:17:43,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... [2020-11-29 18:17:43,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:17:43,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:17:43,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:17:43,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:17:43,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:17:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:17:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:17:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:17:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:17:44,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:17:44,281 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:17:44,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:44 BoogieIcfgContainer [2020-11-29 18:17:44,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:17:44,284 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:17:44,284 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:17:44,298 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:17:44,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:17:44,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:17:43" (1/3) ... [2020-11-29 18:17:44,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59b5e794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:17:44, skipping insertion in model container [2020-11-29 18:17:44,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:17:44,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:17:43" (2/3) ... [2020-11-29 18:17:44,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59b5e794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:17:44, skipping insertion in model container [2020-11-29 18:17:44,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:17:44,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:44" (3/3) ... [2020-11-29 18:17:44,304 INFO L373 chiAutomizerObserver]: Analyzing ICFG count_by_nondet.i [2020-11-29 18:17:44,375 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:17:44,391 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:17:44,391 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:17:44,392 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:17:44,392 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:17:44,392 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:17:44,392 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:17:44,392 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:17:44,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-29 18:17:44,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 18:17:44,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:17:44,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:17:44,434 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:17:44,434 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 18:17:44,434 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:17:44,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-29 18:17:44,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 18:17:44,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:17:44,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:17:44,437 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:17:44,437 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 18:17:44,445 INFO L794 eck$LassoCheckResult]: Stem: 9#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); 7#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; 15#L27-2true [2020-11-29 18:17:44,445 INFO L796 eck$LassoCheckResult]: Loop: 15#L27-2true assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet3;havoc main_#t~nondet3; 5#L29true assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 15#L27-2true [2020-11-29 18:17:44,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:44,452 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 18:17:44,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:17:44,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617385164] [2020-11-29 18:17:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:17:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:44,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:44,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:44,648 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:17:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:44,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2020-11-29 18:17:44,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:17:44,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125988747] [2020-11-29 18:17:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:17:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:44,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:44,686 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:44,692 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:17:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2020-11-29 18:17:44,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:17:44,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481088437] [2020-11-29 18:17:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:17:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:44,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:17:44,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:17:44,765 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:17:44,878 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 18:17:44,922 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:17:44,923 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:17:44,923 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:17:44,923 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:17:44,924 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 18:17:44,924 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:17:44,924 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:17:44,924 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:17:44,925 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-11-29 18:17:44,925 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:17:44,925 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:17:44,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:17:44,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:17:44,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:17:45,101 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:17:45,101 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:17:45,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:17:45,116 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:17:45,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 18:17:45,185 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 [2020-11-29 18:17:45,246 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 18:17:45,249 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:17:45,249 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:17:45,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:17:45,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:17:45,250 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:17:45,250 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:17:45,250 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:17:45,250 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:17:45,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-11-29 18:17:45,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:17:45,250 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:17:45,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:17:45,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:17:45,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:17:45,381 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:17:45,387 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:17:45,393 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 [2020-11-29 18:17:45,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:17:45,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:17:45,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:17:45,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:17:45,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:17:45,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:17:45,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:17:45,406 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:17:45,416 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 18:17:45,416 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3110400-bcb2-4f7d-b344-4193a8021c5e/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:17:45,424 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:17:45,424 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 18:17:45,425 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:17:45,426 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:17:45,467 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 18:17:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:17:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:17:45,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:17:45,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:17:45,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:17:45,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:17:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:17:45,624 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 [2020-11-29 18:17:45,625 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-11-29 18:17:45,674 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2020-11-29 18:17:45,677 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 [2020-11-29 18:17:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 18:17:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-11-29 18:17:45,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-29 18:17:45,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:17:45,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 18:17:45,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:17:45,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-29 18:17:45,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:17:45,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 45 transitions. [2020-11-29 18:17:45,686 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:17:45,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2020-11-29 18:17:45,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:17:45,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:17:45,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:17:45,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:17:45,690 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:17:45,690 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:17:45,690 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:17:45,690 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:17:45,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:17:45,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:17:45,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 18:17:45,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:17:45 BoogieIcfgContainer [2020-11-29 18:17:45,696 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:17:45,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:17:45,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:17:45,696 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:17:45,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:17:44" (3/4) ... [2020-11-29 18:17:45,699 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:17:45,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:17:45,701 INFO L168 Benchmark]: Toolchain (without parser) took 2130.15 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 67.9 MB in the beginning and 86.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:45,702 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 96.5 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:45,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.91 ms. Allocated memory is still 96.5 MB. Free memory was 67.7 MB in the beginning and 73.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:45,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.28 ms. Allocated memory is still 96.5 MB. Free memory was 73.4 MB in the beginning and 72.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:45,704 INFO L168 Benchmark]: Boogie Preprocessor took 31.13 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 70.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:45,704 INFO L168 Benchmark]: RCFGBuilder took 327.00 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 60.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:45,705 INFO L168 Benchmark]: BuchiAutomizer took 1411.39 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.4 MB in the beginning and 87.1 MB in the end (delta: -26.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:45,706 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 117.4 MB. Free memory was 87.1 MB in the beginning and 86.4 MB in the end (delta: 663.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:45,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 96.5 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.91 ms. Allocated memory is still 96.5 MB. Free memory was 67.7 MB in the beginning and 73.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.28 ms. Allocated memory is still 96.5 MB. Free memory was 73.4 MB in the beginning and 72.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.13 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 70.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 327.00 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 60.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1411.39 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.4 MB in the beginning and 87.1 MB in the end (delta: -26.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.53 ms. Allocated memory is still 117.4 MB. Free memory was 87.1 MB in the beginning and 86.4 MB in the end (delta: 663.2 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 12 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...