./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC --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 490e26872e4d657862c7b215f56fb6c391045902 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:38,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:38,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:38,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:38,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:38,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:38,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:38,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:38,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:38,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:38,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:38,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:38,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:38,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:38,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:38,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:38,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:38,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:38,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:38,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:38,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:38,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:38,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:38,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:38,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:38,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:38,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:38,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:38,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:38,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:38,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:38,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:38,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:38,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:38,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:38,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:38,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:38,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:38,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:38,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:38,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:38,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:20:38,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:38,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:38,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:38,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:38,267 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:38,268 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:20:38,268 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:20:38,268 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:20:38,268 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:20:38,269 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:20:38,269 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:20:38,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:38,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:38,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:20:38,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:38,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:38,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:38,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:20:38,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:20:38,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:20:38,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:38,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:38,271 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:20:38,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:38,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:20:38,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:38,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:38,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:38,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:38,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:38,274 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:20:38,274 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_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490e26872e4d657862c7b215f56fb6c391045902 [2021-10-11 00:20:38,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:38,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:38,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:38,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:38,563 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:38,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-new/count_by_1.i [2021-10-11 00:20:38,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/data/d84e70f9c/995d89922fa84c46b6fe724f078644c7/FLAGb6caa68cc [2021-10-11 00:20:39,075 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:39,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/sv-benchmarks/c/loop-new/count_by_1.i [2021-10-11 00:20:39,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/data/d84e70f9c/995d89922fa84c46b6fe724f078644c7/FLAGb6caa68cc [2021-10-11 00:20:39,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/data/d84e70f9c/995d89922fa84c46b6fe724f078644c7 [2021-10-11 00:20:39,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:39,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:39,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:39,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:39,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:39,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e62421d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39, skipping insertion in model container [2021-10-11 00:20:39,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:39,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:39,714 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2021-10-11 00:20:39,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:39,732 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:39,746 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2021-10-11 00:20:39,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:39,764 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:39,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39 WrapperNode [2021-10-11 00:20:39,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:39,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:39,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:39,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:39,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:39,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:39,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:39,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:39,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... [2021-10-11 00:20:39,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:39,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:39,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:39,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:39,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:40,119 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:40,123 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:20:40,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:40 BoogieIcfgContainer [2021-10-11 00:20:40,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:40,126 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:20:40,126 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:20:40,130 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:20:40,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:40,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:20:39" (1/3) ... [2021-10-11 00:20:40,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a2130c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:40, skipping insertion in model container [2021-10-11 00:20:40,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:40,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:39" (2/3) ... [2021-10-11 00:20:40,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a2130c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:40, skipping insertion in model container [2021-10-11 00:20:40,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:40,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:40" (3/3) ... [2021-10-11 00:20:40,141 INFO L389 chiAutomizerObserver]: Analyzing ICFG count_by_1.i [2021-10-11 00:20:40,187 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:20:40,187 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:20:40,187 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:20:40,188 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:40,188 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:40,188 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:20:40,188 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:40,188 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:20:40,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2021-10-11 00:20:40,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:20:40,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:40,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:40,220 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:20:40,220 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:40,220 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:20:40,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2021-10-11 00:20:40,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:20:40,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:40,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:40,222 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:20:40,222 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:40,228 INFO L794 eck$LassoCheckResult]: Stem: 4#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~post3, main_~i~0;havoc main_~i~0;main_~i~0 := 0; 8#L26-3true [2021-10-11 00:20:40,229 INFO L796 eck$LassoCheckResult]: Loop: 8#L26-3true assume !!(main_~i~0 < 1000000); 11#L26-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 8#L26-3true [2021-10-11 00:20:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:40,235 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-11 00:20:40,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:40,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441783902] [2021-10-11 00:20:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:40,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:40,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:40,354 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:40,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-11 00:20:40,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:40,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103185558] [2021-10-11 00:20:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:40,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:40,368 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:40,370 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:40,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:40,372 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-11 00:20:40,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:40,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201902109] [2021-10-11 00:20:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:40,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:40,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:40,408 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:40,452 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:40,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:40,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:40,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:40,453 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:20:40,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:40,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:40,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:40,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1.i_Iteration1_Loop [2021-10-11 00:20:40,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:40,455 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:40,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:40,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:40,579 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:40,580 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:40,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:20:40,591 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:40,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:20:40,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:20:40,693 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:20:40,695 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:40,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:40,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:40,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:40,696 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:20:40,696 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:40,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:40,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:40,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1.i_Iteration1_Loop [2021-10-11 00:20:40,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:40,697 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:40,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:40,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:40,764 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:40,767 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:40,773 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 [2021-10-11 00:20:40,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:40,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:40,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:40,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:40,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:40,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:40,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:40,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:20:40,798 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:20:40,798 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2b466d-2419-4651-85ef-635a36c9bc30/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:40,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:20:40,817 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:20:40,817 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:20:40,818 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2021-10-11 00:20:40,848 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:20:40,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:40,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:20:40,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:40,934 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:20:40,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:40,970 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 [2021-10-11 00:20:40,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2021-10-11 00:20:41,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 33 transitions. Complement of second has 7 states. [2021-10-11 00:20:41,013 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 [2021-10-11 00:20:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:20:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-10-11 00:20:41,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-11 00:20:41,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:41,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-11 00:20:41,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:41,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-11 00:20:41,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:41,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2021-10-11 00:20:41,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:41,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-10-11 00:20:41,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:20:41,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:20:41,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:20:41,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:20:41,027 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:41,027 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:41,027 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:41,027 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:20:41,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:41,028 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:41,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:20:41,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:20:41 BoogieIcfgContainer [2021-10-11 00:20:41,033 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:20:41,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:41,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:41,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:41,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:40" (3/4) ... [2021-10-11 00:20:41,038 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:20:41,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:41,040 INFO L168 Benchmark]: Toolchain (without parser) took 1549.08 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 51.6 MB in the beginning and 48.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:41,041 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 59.1 MB in the beginning and 59.0 MB in the end (delta: 21.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:41,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.53 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 51.4 MB in the beginning and 108.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:41,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.73 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 106.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:41,043 INFO L168 Benchmark]: Boogie Preprocessor took 22.04 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 105.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:41,044 INFO L168 Benchmark]: RCFGBuilder took 301.29 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 95.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:41,044 INFO L168 Benchmark]: BuchiAutomizer took 907.64 ms. Allocated memory is still 132.1 MB. Free memory was 94.8 MB in the beginning and 48.6 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:41,045 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 132.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:41,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 59.1 MB in the beginning and 59.0 MB in the end (delta: 21.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.53 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 51.4 MB in the beginning and 108.2 MB in the end (delta: -56.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.73 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 106.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.04 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 105.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 301.29 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 95.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 907.64 ms. Allocated memory is still 132.1 MB. Free memory was 94.8 MB in the beginning and 48.6 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.98 ms. Allocated memory is still 132.1 MB. Free memory is still 48.6 MB. 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 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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: 7 SDtfs, 8 SDslu, 10 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 2 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...