./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:06:27,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:06:27,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:06:27,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:06:27,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:06:27,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:06:27,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:06:27,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:06:27,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:06:27,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:06:27,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:06:27,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:06:27,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:06:27,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:06:27,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:06:27,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:06:27,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:06:27,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:06:27,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:06:27,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:06:27,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:06:27,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:06:27,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:06:27,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:06:27,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:06:27,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:06:27,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:06:27,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:06:27,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:06:27,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:06:27,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:06:27,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:06:27,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:06:27,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:06:27,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:06:27,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:06:27,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:06:27,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:06:27,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:06:27,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:06:27,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:06:27,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-14 23:06:27,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:06:27,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:06:27,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:06:27,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:06:27,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:06:27,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:06:27,233 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:06:27,233 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:06:27,233 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:06:27,233 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:06:27,234 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:06:27,234 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:06:27,234 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:06:27,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:06:27,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:06:27,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:06:27,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:06:27,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:06:27,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:06:27,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:06:27,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:06:27,236 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:06:27,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:06:27,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:06:27,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:06:27,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:06:27,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:06:27,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:06:27,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:06:27,238 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:06:27,239 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b [2021-12-14 23:06:27,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:06:27,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:06:27,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:06:27,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:06:27,515 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:06:27,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2021-12-14 23:06:27,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddadb458/61cb9102f5d946a6ad342a32aadc94b7/FLAG2c547384c [2021-12-14 23:06:28,030 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:06:28,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2021-12-14 23:06:28,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddadb458/61cb9102f5d946a6ad342a32aadc94b7/FLAG2c547384c [2021-12-14 23:06:28,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddadb458/61cb9102f5d946a6ad342a32aadc94b7 [2021-12-14 23:06:28,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:06:28,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:06:28,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:06:28,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:06:28,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:06:28,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2180e1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28, skipping insertion in model container [2021-12-14 23:06:28,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:06:28,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:06:28,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:06:28,725 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:06:28,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:06:28,803 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:06:28,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28 WrapperNode [2021-12-14 23:06:28,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:06:28,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:06:28,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:06:28,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:06:28,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,854 INFO L137 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2021-12-14 23:06:28,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:06:28,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:06:28,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:06:28,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:06:28,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:06:28,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:06:28,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:06:28,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:06:28,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (1/1) ... [2021-12-14 23:06:28,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:28,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-14 23:06:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:06:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:06:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 23:06:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 23:06:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:06:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:06:29,080 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:06:29,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:06:29,271 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:06:29,276 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:06:29,277 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:06:29,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:29 BoogieIcfgContainer [2021-12-14 23:06:29,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:06:29,281 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:06:29,282 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:06:29,284 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:06:29,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:06:29,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:06:28" (1/3) ... [2021-12-14 23:06:29,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53806b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:06:29, skipping insertion in model container [2021-12-14 23:06:29,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:06:29,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:28" (2/3) ... [2021-12-14 23:06:29,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53806b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:06:29, skipping insertion in model container [2021-12-14 23:06:29,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:06:29,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:29" (3/3) ... [2021-12-14 23:06:29,288 INFO L388 chiAutomizerObserver]: Analyzing ICFG java_AG313-alloca.i [2021-12-14 23:06:29,334 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:06:29,335 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:06:29,335 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:06:29,335 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:06:29,335 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:06:29,335 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:06:29,335 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:06:29,336 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:06:29,354 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) [2021-12-14 23:06:29,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:06:29,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:06:29,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:06:29,373 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:06:29,373 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:06:29,373 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:06:29,373 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) [2021-12-14 23:06:29,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:06:29,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:06:29,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:06:29,375 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:06:29,376 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:06:29,380 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;assume { :begin_inline_quot } true;quot_#in~x#1, quot_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc quot_#res#1;havoc quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset, quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset, quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset, quot_#t~mem5#1, quot_#t~mem9#1, quot_#t~mem10#1, quot_#t~mem11#1, quot_#t~mem6#1, quot_#t~mem7#1, quot_#t~short8#1, quot_#t~mem12#1, quot_~x#1, quot_~y#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, quot_~i~0#1.base, quot_~i~0#1.offset;quot_~x#1 := quot_#in~x#1;quot_~y#1 := quot_#in~y#1;call quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset := quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset;call quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset := quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset;call quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);quot_~i~0#1.base, quot_~i~0#1.offset := quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset;call write~int(quot_~x#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call write~int(quot_~y#1, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(0, quot_~i~0#1.base, quot_~i~0#1.offset, 4);call quot_#t~mem5#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4); 5#L555true assume !(0 == quot_#t~mem5#1);havoc quot_#t~mem5#1; 3#L556-5true [2021-12-14 23:06:29,381 INFO L793 eck$LassoCheckResult]: Loop: 3#L556-5true call quot_#t~mem6#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);quot_#t~short8#1 := quot_#t~mem6#1 > 0; 10#L556-1true assume !quot_#t~short8#1; 8#L556-3true assume !!quot_#t~short8#1;havoc quot_#t~mem6#1;havoc quot_#t~mem7#1;havoc quot_#t~short8#1;call quot_#t~mem9#1 := read~int(quot_~i~0#1.base, quot_~i~0#1.offset, 4);call write~int(1 + quot_#t~mem9#1, quot_~i~0#1.base, quot_~i~0#1.offset, 4);havoc quot_#t~mem9#1;call quot_#t~mem10#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call quot_#t~mem11#1 := read~int(quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(quot_#t~mem10#1 - 1 - (quot_#t~mem11#1 - 1), quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);havoc quot_#t~mem10#1;havoc quot_#t~mem11#1; 3#L556-5true [2021-12-14 23:06:29,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-14 23:06:29,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:29,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466236313] [2021-12-14 23:06:29,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:29,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,619 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:29,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:29,622 INFO L85 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2021-12-14 23:06:29,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:29,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103829036] [2021-12-14 23:06:29,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:29,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:06:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:06:29,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:06:29,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103829036] [2021-12-14 23:06:29,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103829036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:06:29,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:06:29,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 23:06:29,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526468056] [2021-12-14 23:06:29,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:06:29,713 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:06:29,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:06:29,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:06:29,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:06:29,745 INFO L87 Difference]: Start difference. 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 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-12-14 23:06:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:06:29,772 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2021-12-14 23:06:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:06:29,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-12-14 23:06:29,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:06:29,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2021-12-14 23:06:29,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-14 23:06:29,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-14 23:06:29,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-12-14 23:06:29,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:06:29,785 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-14 23:06:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-12-14 23:06:29,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-12-14 23:06:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-12-14 23:06:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-12-14 23:06:29,805 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-14 23:06:29,805 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-14 23:06:29,805 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:06:29,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-12-14 23:06:29,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:06:29,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:06:29,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:06:29,806 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:06:29,806 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:06:29,807 INFO L791 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;assume { :begin_inline_quot } true;quot_#in~x#1, quot_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc quot_#res#1;havoc quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset, quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset, quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset, quot_#t~mem5#1, quot_#t~mem9#1, quot_#t~mem10#1, quot_#t~mem11#1, quot_#t~mem6#1, quot_#t~mem7#1, quot_#t~short8#1, quot_#t~mem12#1, quot_~x#1, quot_~y#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, quot_~i~0#1.base, quot_~i~0#1.offset;quot_~x#1 := quot_#in~x#1;quot_~y#1 := quot_#in~y#1;call quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset := quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset;call quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset := quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset;call quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);quot_~i~0#1.base, quot_~i~0#1.offset := quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset;call write~int(quot_~x#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call write~int(quot_~y#1, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(0, quot_~i~0#1.base, quot_~i~0#1.offset, 4);call quot_#t~mem5#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4); 34#L555 assume !(0 == quot_#t~mem5#1);havoc quot_#t~mem5#1; 32#L556-5 [2021-12-14 23:06:29,807 INFO L793 eck$LassoCheckResult]: Loop: 32#L556-5 call quot_#t~mem6#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);quot_#t~short8#1 := quot_#t~mem6#1 > 0; 33#L556-1 assume quot_#t~short8#1;call quot_#t~mem7#1 := read~int(quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);quot_#t~short8#1 := quot_#t~mem7#1 > 0; 37#L556-3 assume !!quot_#t~short8#1;havoc quot_#t~mem6#1;havoc quot_#t~mem7#1;havoc quot_#t~short8#1;call quot_#t~mem9#1 := read~int(quot_~i~0#1.base, quot_~i~0#1.offset, 4);call write~int(1 + quot_#t~mem9#1, quot_~i~0#1.base, quot_~i~0#1.offset, 4);havoc quot_#t~mem9#1;call quot_#t~mem10#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call quot_#t~mem11#1 := read~int(quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(quot_#t~mem10#1 - 1 - (quot_#t~mem11#1 - 1), quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);havoc quot_#t~mem10#1;havoc quot_#t~mem11#1; 32#L556-5 [2021-12-14 23:06:29,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:29,808 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-12-14 23:06:29,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:29,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324080647] [2021-12-14 23:06:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:29,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,888 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:29,890 INFO L85 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2021-12-14 23:06:29,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:29,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613155691] [2021-12-14 23:06:29,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:29,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:29,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:29,926 INFO L85 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2021-12-14 23:06:29,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:29,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811029502] [2021-12-14 23:06:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:29,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:29,963 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:30,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:30,728 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:06:30,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:06:30,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:06:30,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:06:30,729 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:06:30,729 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:30,729 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:06:30,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:06:30,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313-alloca.i_Iteration2_Lasso [2021-12-14 23:06:30,730 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:06:30,730 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:06:30,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:30,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:31,688 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:06:31,692 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:06:31,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:31,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:31,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:31,707 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 [2021-12-14 23:06:31,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:31,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:31,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:31,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:31,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:31,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:31,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:31,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-14 23:06:31,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:31,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:31,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:31,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:31,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-14 23:06:31,758 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 [2021-12-14 23:06:31,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:31,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:31,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:31,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:31,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:31,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:31,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:31,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:31,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:31,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:31,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-14 23:06:31,817 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 [2021-12-14 23:06:31,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:31,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:31,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:31,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:31,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:31,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:31,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:31,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:31,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:31,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:31,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:31,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:31,891 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 [2021-12-14 23:06:31,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:31,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:31,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:31,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:31,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:31,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-14 23:06:31,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:31,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:31,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:31,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:31,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:31,956 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:31,962 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 [2021-12-14 23:06:31,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:31,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:31,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:31,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:31,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:31,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:31,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-14 23:06:31,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-14 23:06:32,020 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 [2021-12-14 23:06:32,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:32,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:32,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:32,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,072 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-14 23:06:32,075 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 [2021-12-14 23:06:32,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:32,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:32,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:32,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-14 23:06:32,131 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 [2021-12-14 23:06:32,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:32,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,190 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 [2021-12-14 23:06:32,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:32,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:32,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:32,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-14 23:06:32,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,252 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 [2021-12-14 23:06:32,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:32,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-14 23:06:32,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,319 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-14 23:06:32,321 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 [2021-12-14 23:06:32,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:32,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-14 23:06:32,375 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 [2021-12-14 23:06:32,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:32,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-14 23:06:32,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,429 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-14 23:06:32,430 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 [2021-12-14 23:06:32,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:32,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-14 23:06:32,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,459 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-14 23:06:32,465 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 [2021-12-14 23:06:32,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:32,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:32,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:32,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,512 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-14 23:06:32,514 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 [2021-12-14 23:06:32,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:32,521 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-14 23:06:32,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:32,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:32,535 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-14 23:06:32,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:32,555 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:06:32,575 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-14 23:06:32,576 INFO L444 ModelExtractionUtils]: 23 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-14 23:06:32,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:32,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:32,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:06:32,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:06:32,625 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:06:32,625 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:06:32,626 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0#1.base) ULTIMATE.start_quot_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0#1.base) ULTIMATE.start_quot_~x_ref~0#1.offset)_1 Supporting invariants [] [2021-12-14 23:06:32,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-14 23:06:32,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:32,712 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-12-14 23:06:32,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:06:32,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-14 23:06:32,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:06:32,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-14 23:06:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:06:32,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-14 23:06:32,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:06:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:06:32,981 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-14 23:06:32,981 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-12-14 23:06:33,037 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 9 states and 10 transitions. Complement of second has 7 states. [2021-12-14 23:06:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:06:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-12-14 23:06:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-12-14 23:06:33,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2021-12-14 23:06:33,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:06:33,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-14 23:06:33,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:06:33,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-14 23:06:33,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:06:33,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-12-14 23:06:33,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:06:33,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-12-14 23:06:33,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:06:33,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:06:33,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:06:33,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:06:33,043 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:06:33,043 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:06:33,043 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:06:33,043 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:06:33,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:06:33,048 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:06:33,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:06:33,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:06:33 BoogieIcfgContainer [2021-12-14 23:06:33,077 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:06:33,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:06:33,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:06:33,078 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:06:33,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:29" (3/4) ... [2021-12-14 23:06:33,084 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:06:33,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:06:33,086 INFO L158 Benchmark]: Toolchain (without parser) took 4650.41ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 76.3MB in the beginning and 130.3MB in the end (delta: -54.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:06:33,086 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:06:33,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.10ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 76.0MB in the beginning and 102.8MB in the end (delta: -26.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:06:33,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.27ms. Allocated memory is still 132.1MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:06:33,092 INFO L158 Benchmark]: Boogie Preprocessor took 27.09ms. Allocated memory is still 132.1MB. Free memory was 101.3MB in the beginning and 99.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:06:33,093 INFO L158 Benchmark]: RCFGBuilder took 395.03ms. Allocated memory is still 132.1MB. Free memory was 99.7MB in the beginning and 87.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 23:06:33,094 INFO L158 Benchmark]: BuchiAutomizer took 3795.28ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.6MB in the beginning and 130.7MB in the end (delta: -43.1MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-12-14 23:06:33,094 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 130.3MB in the end (delta: 377.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:06:33,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: [2021-12-14 23:06:33,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.10ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 76.0MB in the beginning and 102.8MB in the end (delta: -26.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.27ms. Allocated memory is still 132.1MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.09ms. Allocated memory is still 132.1MB. Free memory was 101.3MB in the beginning and 99.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.03ms. Allocated memory is still 132.1MB. Free memory was 99.7MB in the beginning and 87.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3795.28ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.6MB in the beginning and 130.7MB in the end (delta: -43.1MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 130.3MB in the end (delta: 377.9kB). There was no memory consumed. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 14 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital331 mio100 ax105 hnf100 lsp93 ukn59 mio100 lsp38 div100 bol100 ite100 ukn100 eq182 hnf88 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 114ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2021-12-14 23:06:33,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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