./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y --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 c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:15:54,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:15:54,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:15:54,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:15:54,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:15:54,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:15:54,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:15:54,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:15:54,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:15:54,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:15:54,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:15:54,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:15:54,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:15:54,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:15:54,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:15:54,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:15:54,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:15:54,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:15:54,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:15:54,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:15:54,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:15:54,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:15:54,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:15:54,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:15:54,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:15:54,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:15:54,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:15:54,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:15:54,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:15:54,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:15:54,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:15:54,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:15:54,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:15:54,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:15:54,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:15:54,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:15:54,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:15:54,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:15:54,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:15:54,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:15:54,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:15:54,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:15:54,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:15:54,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:15:54,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:15:54,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:15:54,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:15:54,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:15:54,886 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:15:54,886 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:15:54,886 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:15:54,887 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:15:54,887 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:15:54,887 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:15:54,887 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:15:54,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:15:54,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:15:54,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:15:54,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:15:54,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:15:54,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:15:54,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:15:54,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:15:54,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:15:54,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:15:54,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:15:54,890 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:15:54,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:15:54,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:15:54,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:15:54,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:15:54,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:15:54,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:15:54,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:15:54,893 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:15:54,893 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_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f [2021-11-13 18:15:55,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:15:55,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:15:55,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:15:55,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:15:55,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:15:55,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loops/terminator_03-1.c [2021-11-13 18:15:55,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/data/1791fda68/75bcc3f581dc40398891b23b4513396a/FLAG0a92954fd [2021-11-13 18:15:55,846 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:15:55,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/sv-benchmarks/c/loops/terminator_03-1.c [2021-11-13 18:15:55,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/data/1791fda68/75bcc3f581dc40398891b23b4513396a/FLAG0a92954fd [2021-11-13 18:15:56,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/data/1791fda68/75bcc3f581dc40398891b23b4513396a [2021-11-13 18:15:56,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:15:56,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:15:56,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:15:56,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:15:56,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:15:56,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1133c556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56, skipping insertion in model container [2021-11-13 18:15:56,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:15:56,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:15:56,437 WARN L228 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_dbd0bc61-1b91-48f0-b8ff-57674b44572e/sv-benchmarks/c/loops/terminator_03-1.c[327,340] [2021-11-13 18:15:56,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:15:56,456 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:15:56,470 WARN L228 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_dbd0bc61-1b91-48f0-b8ff-57674b44572e/sv-benchmarks/c/loops/terminator_03-1.c[327,340] [2021-11-13 18:15:56,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:15:56,489 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:15:56,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56 WrapperNode [2021-11-13 18:15:56,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:15:56,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:15:56,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:15:56,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:15:56,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:15:56,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:15:56,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:15:56,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:15:56,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:15:56,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:15:56,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:15:56,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:15:56,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (1/1) ... [2021-11-13 18:15:56,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:56,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:15:56,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:15:56,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:15:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:15:56,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:15:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:15:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:15:56,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:15:56,846 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:15:56,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:56 BoogieIcfgContainer [2021-11-13 18:15:56,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:15:56,850 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:15:56,850 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:15:56,854 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:15:56,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:15:56,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:15:56" (1/3) ... [2021-11-13 18:15:56,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@442ffe19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:15:56, skipping insertion in model container [2021-11-13 18:15:56,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:15:56,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:56" (2/3) ... [2021-11-13 18:15:56,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@442ffe19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:15:56, skipping insertion in model container [2021-11-13 18:15:56,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:15:56,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:56" (3/3) ... [2021-11-13 18:15:56,876 INFO L388 chiAutomizerObserver]: Analyzing ICFG terminator_03-1.c [2021-11-13 18:15:56,963 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:15:56,978 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:15:56,979 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:15:56,979 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:15:56,979 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:15:56,979 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:15:56,979 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:15:56,979 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:15:57,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:15:57,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-13 18:15:57,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:15:57,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:15:57,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 18:15:57,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-13 18:15:57,052 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:15:57,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:15:57,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-13 18:15:57,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:15:57,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:15:57,055 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 18:15:57,055 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-13 18:15:57,062 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(18);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~y~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 4#L18true assume main_~y~0#1 > 0; 10#L20-2true [2021-11-13 18:15:57,062 INFO L793 eck$LassoCheckResult]: Loop: 10#L20-2true assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 10#L20-2true [2021-11-13 18:15:57,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:57,068 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-13 18:15:57,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:57,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928699172] [2021-11-13 18:15:57,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:57,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:57,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:15:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:57,233 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:15:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:57,238 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2021-11-13 18:15:57,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:57,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096325453] [2021-11-13 18:15:57,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:57,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:57,247 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:15:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:57,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:15:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:57,258 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-11-13 18:15:57,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:57,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418926146] [2021-11-13 18:15:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:57,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:57,280 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:15:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:57,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:15:57,747 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:15:57,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:15:57,749 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:15:57,749 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:15:57,749 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:15:57,749 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:57,749 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:15:57,750 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:15:57,750 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-1.c_Iteration1_Lasso [2021-11-13 18:15:57,750 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:15:57,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:15:57,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:57,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:15:58,109 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:15:58,114 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:15:58,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:58,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:15:58,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:15:58,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:15:58,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:15:58,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:15:58,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:15:58,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:15:58,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:15:58,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:15:58,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:15:58,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:15:58,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:15:58,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:58,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:15:58,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:15:58,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:15:58,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:15:58,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:15:58,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:15:58,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:15:58,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:15:58,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:15:58,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:15:58,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:15:58,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:15:58,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:15:58,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:58,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:15:58,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:15:58,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:15:58,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:15:58,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:15:58,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:15:58,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:15:58,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:15:58,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:15:58,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:15:58,326 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:15:58,347 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-13 18:15:58,348 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-13 18:15:58,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:58,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:15:58,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:15:58,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:15:58,399 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-13 18:15:58,399 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:15:58,400 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2021-11-13 18:15:58,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:15:58,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:15:58,459 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-13 18:15:58,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:58,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:15:58,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:15:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:58,527 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:15:58,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:15:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:15:58,563 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-13 18:15:58,564 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:15:58,714 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 40 transitions. Complement of second has 5 states. [2021-11-13 18:15:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 18:15:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:15:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2021-11-13 18:15:58,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-13 18:15:58,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:15:58,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-13 18:15:58,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:15:58,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-13 18:15:58,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:15:58,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2021-11-13 18:15:58,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:15:58,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:15:58,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-11-13 18:15:58,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:15:58,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:15:58,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:15:58,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:15:58,764 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:15:58,764 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:15:58,764 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:15:58,764 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:15:58,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:15:58,765 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:15:58,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:15:58,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:15:58 BoogieIcfgContainer [2021-11-13 18:15:58,775 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:15:58,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:15:58,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:15:58,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:15:58,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:56" (3/4) ... [2021-11-13 18:15:58,784 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:15:58,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:15:58,786 INFO L158 Benchmark]: Toolchain (without parser) took 2564.62ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 70.4MB in the beginning and 97.1MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:15:58,786 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:15:58,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.37ms. Allocated memory is still 104.9MB. Free memory was 70.3MB in the beginning and 79.5MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:15:58,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 104.9MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:15:58,790 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 971.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:15:58,795 INFO L158 Benchmark]: RCFGBuilder took 295.19ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 68.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:15:58,796 INFO L158 Benchmark]: BuchiAutomizer took 1924.67ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.3MB in the beginning and 98.1MB in the end (delta: -29.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:15:58,797 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 97.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:15:58,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.37ms. Allocated memory is still 104.9MB. Free memory was 70.3MB in the beginning and 79.5MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 104.9MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 971.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.19ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 68.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1924.67ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.3MB in the beginning and 98.1MB in the end (delta: -29.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 97.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 199 + -2 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 23.41ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 8.30ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 5 mSolverCounterSat, 1.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital116 mio100 ax100 hnf100 lsp80 ukn47 mio100 lsp31 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf100 smp100 tf100 neg100 sie141 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 18:15:58,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd0bc61-1b91-48f0-b8ff-57674b44572e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE