./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 791161d1 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-?-791161d [2022-07-23 14:28:51,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:28:51,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:28:51,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:28:51,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:28:51,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:28:51,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:28:51,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:28:51,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:28:51,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:28:51,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:28:51,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:28:51,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:28:51,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:28:51,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:28:51,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:28:51,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:28:51,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:28:51,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:28:51,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:28:51,162 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:28:51,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:28:51,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:28:51,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:28:51,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:28:51,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:28:51,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:28:51,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:28:51,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:28:51,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:28:51,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:28:51,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:28:51,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:28:51,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:28:51,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:28:51,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:28:51,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:28:51,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:28:51,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:28:51,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:28:51,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:28:51,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:28:51,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:28:51,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:28:51,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:28:51,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:28:51,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:28:51,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:28:51,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:28:51,217 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:28:51,217 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:28:51,218 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:28:51,218 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:28:51,219 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:28:51,219 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:28:51,219 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:28:51,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:28:51,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:28:51,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:28:51,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:28:51,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:28:51,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:28:51,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:28:51,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:28:51,222 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:28:51,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:28:51,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:28:51,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:28:51,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:28:51,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:28:51,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:28:51,225 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:28:51,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b [2022-07-23 14:28:51,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:28:51,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:28:51,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:28:51,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:28:51,467 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:28:51,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-07-23 14:28:51,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89afbcb91/8c0b33bc4330497cb4cb1af54adab5ba/FLAG287b3c7bf [2022-07-23 14:28:51,899 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:28:51,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-07-23 14:28:51,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89afbcb91/8c0b33bc4330497cb4cb1af54adab5ba/FLAG287b3c7bf [2022-07-23 14:28:51,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89afbcb91/8c0b33bc4330497cb4cb1af54adab5ba [2022-07-23 14:28:51,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:28:51,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:28:51,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:28:51,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:28:51,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:28:51,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:28:51" (1/1) ... [2022-07-23 14:28:51,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362aee4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:51, skipping insertion in model container [2022-07-23 14:28:51,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:28:51" (1/1) ... [2022-07-23 14:28:51,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:28:51,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:28:52,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:28:52,191 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:28:52,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:28:52,275 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:28:52,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52 WrapperNode [2022-07-23 14:28:52,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:28:52,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:28:52,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:28:52,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:28:52,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,311 INFO L137 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-07-23 14:28:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:28:52,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:28:52,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:28:52,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:28:52,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:28:52,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:28:52,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:28:52,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:28:52,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (1/1) ... [2022-07-23 14:28:52,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:52,408 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) [2022-07-23 14:28:52,411 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 [2022-07-23 14:28:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 14:28:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:28:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 14:28:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 14:28:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:28:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:28:52,529 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:28:52,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:28:52,681 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:28:52,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:28:52,685 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:28:52,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:28:52 BoogieIcfgContainer [2022-07-23 14:28:52,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:28:52,697 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:28:52,697 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:28:52,699 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:28:52,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:28:52,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:28:51" (1/3) ... [2022-07-23 14:28:52,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0a397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:28:52, skipping insertion in model container [2022-07-23 14:28:52,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:28:52,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:52" (2/3) ... [2022-07-23 14:28:52,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0a397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:28:52, skipping insertion in model container [2022-07-23 14:28:52,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:28:52,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:28:52" (3/3) ... [2022-07-23 14:28:52,703 INFO L354 chiAutomizerObserver]: Analyzing ICFG java_AG313-alloca.i [2022-07-23 14:28:52,740 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:28:52,741 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:28:52,741 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:28:52,741 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:28:52,741 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:28:52,741 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:28:52,741 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:28:52,742 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:28:52,746 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) [2022-07-23 14:28:52,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:28:52,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:28:52,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:28:52,761 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:28:52,761 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 14:28:52,762 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:28:52,762 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) [2022-07-23 14:28:52,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:28:52,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:28:52,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:28:52,763 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:28:52,763 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 14:28:52,768 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#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); 4#L555true assume !(0 == quot_#t~mem5#1);havoc quot_#t~mem5#1; 2#L556-5true [2022-07-23 14:28:52,778 INFO L754 eck$LassoCheckResult]: Loop: 2#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; 9#L556-1true assume !quot_#t~short8#1; 7#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; 2#L556-5true [2022-07-23 14:28:52,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:28:52,783 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-23 14:28:52,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:28:52,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706067367] [2022-07-23 14:28:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:28:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:28:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:52,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:28:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:28:53,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:28:53,039 INFO L85 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2022-07-23 14:28:53,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:28:53,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304540757] [2022-07-23 14:28:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:28:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:28:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:28:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:28:53,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:28:53,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304540757] [2022-07-23 14:28:53,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304540757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:28:53,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:28:53,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 14:28:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988043309] [2022-07-23 14:28:53,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:28:53,132 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:28:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:28:53,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 14:28:53,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 14:28:53,162 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) [2022-07-23 14:28:53,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:28:53,191 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-07-23 14:28:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 14:28:53,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-07-23 14:28:53,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:28:53,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2022-07-23 14:28:53,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 14:28:53,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-23 14:28:53,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2022-07-23 14:28:53,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:28:53,206 INFO L369 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-07-23 14:28:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2022-07-23 14:28:53,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-07-23 14:28:53,226 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) [2022-07-23 14:28:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-07-23 14:28:53,227 INFO L392 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-07-23 14:28:53,228 INFO L374 stractBuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-07-23 14:28:53,228 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:28:53,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2022-07-23 14:28:53,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:28:53,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:28:53,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:28:53,229 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:28:53,229 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 14:28:53,230 INFO L752 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;assume { :begin_inline_quot } true;quot_#in~x#1, quot_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc quot_#res#1;havoc quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset, quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset, quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset, quot_#t~mem5#1, quot_#t~mem9#1, quot_#t~mem10#1, quot_#t~mem11#1, quot_#t~mem6#1, quot_#t~mem7#1, quot_#t~short8#1, quot_#t~mem12#1, quot_~x#1, quot_~y#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, quot_~i~0#1.base, quot_~i~0#1.offset;quot_~x#1 := quot_#in~x#1;quot_~y#1 := quot_#in~y#1;call quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset := quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset;call quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset := quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset;call quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);quot_~i~0#1.base, quot_~i~0#1.offset := quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset;call write~int(quot_~x#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call write~int(quot_~y#1, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(0, quot_~i~0#1.base, quot_~i~0#1.offset, 4);call quot_#t~mem5#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4); 34#L555 assume !(0 == quot_#t~mem5#1);havoc quot_#t~mem5#1; 32#L556-5 [2022-07-23 14:28:53,230 INFO L754 eck$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 [2022-07-23 14:28:53,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:28:53,231 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-07-23 14:28:53,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:28:53,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955662525] [2022-07-23 14:28:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:28:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:28:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,284 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:28:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:28:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:28:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2022-07-23 14:28:53,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:28:53,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659685845] [2022-07-23 14:28:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:28:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:28:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,312 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:28:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:28:53,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:28:53,322 INFO L85 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2022-07-23 14:28:53,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:28:53,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716479717] [2022-07-23 14:28:53,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:28:53,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:28:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:28:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:28:53,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:28:54,068 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:28:54,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:28:54,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:28:54,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:28:54,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:28:54,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:54,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:28:54,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:28:54,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313-alloca.i_Iteration2_Lasso [2022-07-23 14:28:54,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:28:54,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:28:54,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:54,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:28:55,003 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:28:55,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:28:55,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,024 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) [2022-07-23 14:28:55,025 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 [2022-07-23 14:28:55,026 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 [2022-07-23 14:28:55,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:28:55,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:28:55,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:28:55,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 14:28:55,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,078 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) [2022-07-23 14:28:55,079 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 [2022-07-23 14:28:55,081 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 [2022-07-23 14:28:55,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,132 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 [2022-07-23 14:28:55,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,148 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) [2022-07-23 14:28:55,149 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 [2022-07-23 14:28:55,151 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 [2022-07-23 14:28:55,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:28:55,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:28:55,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:28:55,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,175 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 [2022-07-23 14:28:55,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,177 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) [2022-07-23 14:28:55,178 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 [2022-07-23 14:28:55,181 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 [2022-07-23 14:28:55,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:28:55,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:28:55,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:28:55,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,230 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 [2022-07-23 14:28:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,248 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) [2022-07-23 14:28:55,282 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 [2022-07-23 14:28:55,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,295 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 [2022-07-23 14:28:55,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,336 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 [2022-07-23 14:28:55,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,364 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) [2022-07-23 14:28:55,367 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 [2022-07-23 14:28:55,368 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 [2022-07-23 14:28:55,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:28:55,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:28:55,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:28:55,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,432 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 [2022-07-23 14:28:55,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,434 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) [2022-07-23 14:28:55,435 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 [2022-07-23 14:28:55,438 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 [2022-07-23 14:28:55,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:28:55,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:28:55,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:28:55,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,472 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 [2022-07-23 14:28:55,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,474 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) [2022-07-23 14:28:55,475 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 [2022-07-23 14:28:55,477 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 [2022-07-23 14:28:55,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,509 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 [2022-07-23 14:28:55,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,510 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) [2022-07-23 14:28:55,511 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 [2022-07-23 14:28:55,512 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 [2022-07-23 14:28:55,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:28:55,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:28:55,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:28:55,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,536 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 [2022-07-23 14:28:55,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,538 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) [2022-07-23 14:28:55,539 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 [2022-07-23 14:28:55,541 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 [2022-07-23 14:28:55,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-23 14:28:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,613 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) [2022-07-23 14:28:55,614 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 [2022-07-23 14:28:55,616 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 [2022-07-23 14:28:55,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,656 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 [2022-07-23 14:28:55,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,658 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) [2022-07-23 14:28:55,659 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 [2022-07-23 14:28:55,660 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 [2022-07-23 14:28:55,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-23 14:28:55,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,717 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) [2022-07-23 14:28:55,718 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 [2022-07-23 14:28:55,719 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 [2022-07-23 14:28:55,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:28:55,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,750 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) [2022-07-23 14:28:55,752 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 [2022-07-23 14:28:55,752 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 [2022-07-23 14:28:55,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:28:55,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:28:55,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:28:55,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-23 14:28:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,783 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) [2022-07-23 14:28:55,786 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 [2022-07-23 14:28:55,787 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 [2022-07-23 14:28:55,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:28:55,795 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-23 14:28:55,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:28:55,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:28:55,822 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-07-23 14:28:55,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:28:55,837 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:28:55,884 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-23 14:28:55,884 INFO L444 ModelExtractionUtils]: 23 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-23 14:28:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:28:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:28:55,886 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) [2022-07-23 14:28:55,914 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:28:55,921 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 [2022-07-23 14:28:55,930 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:28:55,930 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:28:55,931 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 [] [2022-07-23 14:28:55,951 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 [2022-07-23 14:28:56,040 INFO L293 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2022-07-23 14:28:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:28:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:28:56,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 14:28:56,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:28:56,156 INFO L390 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 [2022-07-23 14:28:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:28:56,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-23 14:28:56,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:28:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:28:56,254 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 [2022-07-23 14:28:56,255 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) [2022-07-23 14:28:56,301 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. [2022-07-23 14:28:56,302 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 [2022-07-23 14:28:56,303 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) [2022-07-23 14:28:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2022-07-23 14:28:56,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2022-07-23 14:28:56,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:28:56,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-23 14:28:56,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:28:56,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-23 14:28:56,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:28:56,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-07-23 14:28:56,306 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:28:56,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-07-23 14:28:56,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 14:28:56,306 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 14:28:56,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 14:28:56,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:28:56,306 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:28:56,306 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:28:56,306 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:28:56,306 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:28:56,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 14:28:56,306 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:28:56,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 14:28:56,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 02:28:56 BoogieIcfgContainer [2022-07-23 14:28:56,312 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 14:28:56,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 14:28:56,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 14:28:56,313 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 14:28:56,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:28:52" (3/4) ... [2022-07-23 14:28:56,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 14:28:56,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 14:28:56,316 INFO L158 Benchmark]: Toolchain (without parser) took 4391.65ms. Allocated memory was 88.1MB in the beginning and 146.8MB in the end (delta: 58.7MB). Free memory was 52.4MB in the beginning and 59.8MB in the end (delta: -7.3MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-07-23 14:28:56,316 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:28:56,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.50ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 57.5MB in the end (delta: -5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 14:28:56,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.40ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 55.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:28:56,317 INFO L158 Benchmark]: Boogie Preprocessor took 39.24ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 54.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:28:56,317 INFO L158 Benchmark]: RCFGBuilder took 335.24ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 43.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 14:28:56,317 INFO L158 Benchmark]: BuchiAutomizer took 3615.71ms. Allocated memory was 88.1MB in the beginning and 146.8MB in the end (delta: 58.7MB). Free memory was 43.1MB in the beginning and 59.8MB in the end (delta: -16.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-07-23 14:28:56,318 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 146.8MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:28:56,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.50ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 57.5MB in the end (delta: -5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.40ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 55.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.24ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 54.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.24ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 43.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3615.71ms. Allocated memory was 88.1MB in the beginning and 146.8MB in the end (delta: 58.7MB). Free memory was 43.1MB in the beginning and 59.8MB in the end (delta: -16.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 146.8MB. Free memory is still 59.8MB. 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 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 -1 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 lsp37 div100 bol100 ite100 ukn100 eq182 hnf88 smp94 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 149ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 14:28:56,357 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 [2022-07-23 14:28:56,571 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