./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.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 b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:09:47,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:09:47,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:09:47,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:09:47,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:09:47,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:09:47,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:09:47,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:09:47,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:09:47,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:09:47,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:09:47,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:09:47,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:09:47,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:09:47,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:09:47,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:09:47,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:09:47,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:09:47,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:09:47,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:09:47,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:09:47,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:09:47,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:09:47,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:09:47,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:09:47,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:09:47,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:09:47,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:09:47,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:09:47,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:09:47,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:09:47,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:09:47,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:09:47,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:09:47,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:09:47,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:09:47,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:09:47,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:09:47,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:09:47,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:09:47,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:09:47,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-14 23:09:47,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:09:47,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:09:47,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:09:47,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:09:47,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:09:47,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:09:47,285 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:09:47,285 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:09:47,285 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:09:47,285 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:09:47,286 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:09:47,286 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:09:47,287 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:09:47,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:09:47,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:09:47,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:09:47,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:09:47,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:09:47,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:09:47,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:09:47,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:09:47,288 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:09:47,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:09:47,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:09:47,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:09:47,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:09:47,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:09:47,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:09:47,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:09:47,289 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:09:47,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab [2021-12-14 23:09:47,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:09:47,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:09:47,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:09:47,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:09:47,461 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:09:47,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2021-12-14 23:09:47,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52bb6029/b65eb434e03e4ade9f80483fe5138f0c/FLAG29cf85a43 [2021-12-14 23:09:47,854 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:09:47,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2021-12-14 23:09:47,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52bb6029/b65eb434e03e4ade9f80483fe5138f0c/FLAG29cf85a43 [2021-12-14 23:09:47,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52bb6029/b65eb434e03e4ade9f80483fe5138f0c [2021-12-14 23:09:47,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:09:47,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:09:47,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:09:47,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:09:47,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:09:47,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:09:47" (1/1) ... [2021-12-14 23:09:47,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c0bdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:47, skipping insertion in model container [2021-12-14 23:09:47,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:09:47" (1/1) ... [2021-12-14 23:09:47,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:09:47,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:09:48,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:09:48,021 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:09:48,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:09:48,048 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:09:48,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48 WrapperNode [2021-12-14 23:09:48,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:09:48,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:09:48,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:09:48,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:09:48,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,075 INFO L137 Inliner]: procedures = 12, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2021-12-14 23:09:48,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:09:48,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:09:48,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:09:48,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:09:48,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:09:48,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:09:48,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:09:48,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:09:48,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (1/1) ... [2021-12-14 23:09:48,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:48,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:48,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:48,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-14 23:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 23:09:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-12-14 23:09:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-12-14 23:09:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-12-14 23:09:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-12-14 23:09:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:09:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:09:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:09:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 23:09:48,241 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:09:48,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:09:48,338 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:09:48,342 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:09:48,342 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 23:09:48,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:48 BoogieIcfgContainer [2021-12-14 23:09:48,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:09:48,345 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:09:48,345 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:09:48,348 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:09:48,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:09:48,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:09:47" (1/3) ... [2021-12-14 23:09:48,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40f24c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:09:48, skipping insertion in model container [2021-12-14 23:09:48,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:09:48,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:48" (2/3) ... [2021-12-14 23:09:48,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40f24c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:09:48, skipping insertion in model container [2021-12-14 23:09:48,350 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:09:48,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:48" (3/3) ... [2021-12-14 23:09:48,351 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex5.i [2021-12-14 23:09:48,383 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:09:48,383 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:09:48,383 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:09:48,384 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:09:48,384 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:09:48,384 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:09:48,384 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:09:48,384 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:09:48,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-14 23:09:48,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-14 23:09:48,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:48,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:48,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-14 23:09:48,428 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:09:48,428 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:09:48,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-14 23:09:48,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-14 23:09:48,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:48,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:48,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-14 23:09:48,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:09:48,435 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(main_#t~nondet13#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet13#1;call write~int(main_#t~nondet14#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~p1~0#1.base, main_~p1~0#1.offset, 4);main_#t~short17#1 := main_#t~mem15#1 < 0; 14#L63true assume !main_#t~short17#1;call main_#t~mem16#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4);main_#t~short17#1 := main_#t~mem16#1 < 0; 12#L63-2true assume !main_#t~short17#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;call main_#t~mem18#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4); 9#L66true call main_#t~ret19#1.base, main_#t~ret19#1.offset := f(main_~p1~0#1.base, main_~p1~0#1.offset, main_#t~mem18#1);< 17#fENTRYtrue [2021-12-14 23:09:48,435 INFO L793 eck$LassoCheckResult]: Loop: 17#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 23#L17true assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 20#L25true call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 18#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 6#L34true assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 13#gFINALtrue assume true; 22#gEXITtrue >#37#return; 10#L25-1true call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 17#fENTRYtrue [2021-12-14 23:09:48,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:48,439 INFO L85 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 1 times [2021-12-14 23:09:48,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:48,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767020175] [2021-12-14 23:09:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:48,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:48,533 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:48,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:48,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1513071857, now seen corresponding path program 1 times [2021-12-14 23:09:48,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:48,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279424174] [2021-12-14 23:09:48,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:48,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 23:09:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:09:48,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:09:48,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279424174] [2021-12-14 23:09:48,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279424174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:09:48,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:09:48,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 23:09:48,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352693798] [2021-12-14 23:09:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:09:48,743 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:09:48,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:09:48,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:09:48,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:09:48,770 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-14 23:09:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:09:48,859 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-12-14 23:09:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 23:09:48,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-12-14 23:09:48,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-14 23:09:48,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2021-12-14 23:09:48,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-14 23:09:48,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-14 23:09:48,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-12-14 23:09:48,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:09:48,881 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-14 23:09:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-12-14 23:09:48,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-14 23:09:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-14 23:09:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-14 23:09:48,900 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-14 23:09:48,900 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-14 23:09:48,900 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:09:48,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-14 23:09:48,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-14 23:09:48,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:48,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:48,903 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-14 23:09:48,903 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:09:48,904 INFO L791 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 69#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(main_#t~nondet13#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet13#1;call write~int(main_#t~nondet14#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~p1~0#1.base, main_~p1~0#1.offset, 4);main_#t~short17#1 := main_#t~mem15#1 < 0; 75#L63 assume !main_#t~short17#1;call main_#t~mem16#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4);main_#t~short17#1 := main_#t~mem16#1 < 0; 73#L63-2 assume !main_#t~short17#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;call main_#t~mem18#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4); 70#L66 call main_#t~ret19#1.base, main_#t~ret19#1.offset := f(main_~p1~0#1.base, main_~p1~0#1.offset, main_#t~mem18#1);< 71#fENTRY [2021-12-14 23:09:48,904 INFO L793 eck$LassoCheckResult]: Loop: 71#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 78#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 65#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 79#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 64#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 66#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 79#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 64#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 67#gFINAL assume true; 74#gEXIT >#41#return; 76#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 77#gFINAL assume true; 80#gEXIT >#37#return; 72#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 71#fENTRY [2021-12-14 23:09:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 2 times [2021-12-14 23:09:48,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:48,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949819867] [2021-12-14 23:09:48,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:48,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:48,920 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:48,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:48,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:48,931 INFO L85 PathProgramCache]: Analyzing trace with hash 916774883, now seen corresponding path program 1 times [2021-12-14 23:09:48,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:48,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785368724] [2021-12-14 23:09:48,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:48,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 23:09:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 23:09:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:09:49,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:09:49,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785368724] [2021-12-14 23:09:49,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785368724] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 23:09:49,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836139480] [2021-12-14 23:09:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:49,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 23:09:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:49,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 23:09:49,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 23:09:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:49,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-14 23:09:49,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:49,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-14 23:09:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:09:51,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 23:09:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:09:51,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836139480] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 23:09:51,684 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 23:09:51,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 20 [2021-12-14 23:09:51,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765287708] [2021-12-14 23:09:51,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 23:09:51,685 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:09:51,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:09:51,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-14 23:09:51,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=298, Unknown=3, NotChecked=0, Total=380 [2021-12-14 23:09:51,686 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 23:09:52,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:09:52,709 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-12-14 23:09:52,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 23:09:52,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-12-14 23:09:52,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-14 23:09:52,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-12-14 23:09:52,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-14 23:09:52,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-14 23:09:52,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-12-14 23:09:52,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:09:52,711 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-12-14 23:09:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-12-14 23:09:52,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-14 23:09:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-14 23:09:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-12-14 23:09:52,713 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-12-14 23:09:52,713 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-12-14 23:09:52,713 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:09:52,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-12-14 23:09:52,714 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-14 23:09:52,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:52,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:52,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-14 23:09:52,715 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-14 23:09:52,715 INFO L791 eck$LassoCheckResult]: Stem: 226#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(main_#t~nondet13#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet13#1;call write~int(main_#t~nondet14#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~p1~0#1.base, main_~p1~0#1.offset, 4);main_#t~short17#1 := main_#t~mem15#1 < 0; 234#L63 assume !main_#t~short17#1;call main_#t~mem16#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4);main_#t~short17#1 := main_#t~mem16#1 < 0; 231#L63-2 assume !main_#t~short17#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;call main_#t~mem18#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4); 228#L66 call main_#t~ret19#1.base, main_#t~ret19#1.offset := f(main_~p1~0#1.base, main_~p1~0#1.offset, main_#t~mem18#1);< 229#fENTRY [2021-12-14 23:09:52,715 INFO L793 eck$LassoCheckResult]: Loop: 229#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 236#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 223#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 237#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 222#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 224#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 237#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 222#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 224#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 237#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 222#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 225#gFINAL assume true; 238#gEXIT >#41#return; 235#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 232#gFINAL assume true; 233#gEXIT >#41#return; 240#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 241#gFINAL assume true; 239#gEXIT >#37#return; 230#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 229#fENTRY [2021-12-14 23:09:52,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:52,715 INFO L85 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 3 times [2021-12-14 23:09:52,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:52,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144958189] [2021-12-14 23:09:52,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:52,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:52,725 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:52,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:52,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:52,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1267451407, now seen corresponding path program 2 times [2021-12-14 23:09:52,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:52,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212270958] [2021-12-14 23:09:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:52,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:52,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:52,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2054594769, now seen corresponding path program 1 times [2021-12-14 23:09:52,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:52,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992440553] [2021-12-14 23:09:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:52,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:52,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:52,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:55,391 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:09:55,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:09:55,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:09:55,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:09:55,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:09:55,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:55,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:09:55,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:09:55,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration3_Lasso [2021-12-14 23:09:55,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:09:55,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:09:55,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:55,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:56,089 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:09:56,092 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:09:56,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-14 23:09:56,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:56,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:56,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:56,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-14 23:09:56,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-14 23:09:56,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:56,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:56,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:56,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-14 23:09:56,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-14 23:09:56,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:56,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:56,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:56,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:56,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,230 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-14 23:09:56,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:56,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:56,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:56,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:56,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-14 23:09:56,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:56,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:56,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:56,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-14 23:09:56,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:56,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:56,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:56,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,327 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-14 23:09:56,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:56,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:56,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:56,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:56,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-14 23:09:56,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:56,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:56,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:56,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:56,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:56,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:56,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:56,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:09:56,414 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-14 23:09:56,414 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-14 23:09:56,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:56,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:56,420 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:56,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-14 23:09:56,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:09:56,443 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:09:56,443 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:09:56,443 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~v) = 2*f_#in~v + 1 Supporting invariants [] [2021-12-14 23:09:56,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:56,480 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-14 23:09:56,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:56,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:09:56,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:56,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-14 23:09:56,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-14 23:09:56,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-14 23:09:56,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:09:56,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 63 states and 72 transitions. Complement of second has 15 states. [2021-12-14 23:09:56,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:09:56,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:09:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-12-14 23:09:56,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 20 letters. [2021-12-14 23:09:56,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:56,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 25 letters. Loop has 20 letters. [2021-12-14 23:09:56,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:56,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 40 letters. [2021-12-14 23:09:56,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:56,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 72 transitions. [2021-12-14 23:09:56,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:09:56,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 40 states and 47 transitions. [2021-12-14 23:09:56,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-14 23:09:56,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-14 23:09:56,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 47 transitions. [2021-12-14 23:09:56,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:09:56,767 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-12-14 23:09:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 47 transitions. [2021-12-14 23:09:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2021-12-14 23:09:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-14 23:09:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2021-12-14 23:09:56,772 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-14 23:09:56,772 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-14 23:09:56,773 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:09:56,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2021-12-14 23:09:56,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:09:56,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:56,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:56,774 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:09:56,774 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:09:56,774 INFO L791 eck$LassoCheckResult]: Stem: 431#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 432#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(main_#t~nondet13#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet13#1;call write~int(main_#t~nondet14#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~p1~0#1.base, main_~p1~0#1.offset, 4);main_#t~short17#1 := main_#t~mem15#1 < 0; 437#L63 assume !main_#t~short17#1;call main_#t~mem16#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4);main_#t~short17#1 := main_#t~mem16#1 < 0; 436#L63-2 assume !main_#t~short17#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;call main_#t~mem18#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4); 430#L66 call main_#t~ret19#1.base, main_#t~ret19#1.offset := f(main_~p1~0#1.base, main_~p1~0#1.offset, main_#t~mem18#1);< 433#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 440#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 423#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 441#gENTRY [2021-12-14 23:09:56,775 INFO L793 eck$LassoCheckResult]: Loop: 441#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 421#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 422#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 441#gENTRY [2021-12-14 23:09:56,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:56,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1845692449, now seen corresponding path program 1 times [2021-12-14 23:09:56,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:56,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543757553] [2021-12-14 23:09:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:56,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:56,798 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:56,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:56,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:56,823 INFO L85 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 1 times [2021-12-14 23:09:56,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:56,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586571882] [2021-12-14 23:09:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:56,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:56,829 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:56,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:56,837 INFO L85 PathProgramCache]: Analyzing trace with hash -852415675, now seen corresponding path program 1 times [2021-12-14 23:09:56,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:56,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458449707] [2021-12-14 23:09:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:56,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:56,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:09:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:09:56,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:09:57,284 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 [2021-12-14 23:09:57,834 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:09:57,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:09:57,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:09:57,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:09:57,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:09:57,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:57,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:09:57,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:09:57,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration4_Lasso [2021-12-14 23:09:57,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:09:57,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:09:57,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:57,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:09:58,481 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:09:58,481 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:09:58,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,483 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-14 23:09:58,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:58,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:58,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:58,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-14 23:09:58,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,508 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-14 23:09:58,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:58,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:58,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:58,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-14 23:09:58,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,536 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-14 23:09:58,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:58,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:58,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:58,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-14 23:09:58,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,562 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-14 23:09:58,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:58,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:58,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:58,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:58,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,600 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-14 23:09:58,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:09:58,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:09:58,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:09:58,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-14 23:09:58,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,639 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-14 23:09:58,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:58,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:58,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,679 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 [2021-12-14 23:09:58,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,680 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-14 23:09:58,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:58,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:58,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-14 23:09:58,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,748 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-14 23:09:58,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:58,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:58,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:09:58,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:58,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,791 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-14 23:09:58,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:09:58,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:09:58,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:09:58,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:09:58,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:09:58,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:09:58,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:09:58,830 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:09:58,846 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-14 23:09:58,846 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-14 23:09:58,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:09:58,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:58,847 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:09:58,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-14 23:09:58,850 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:09:58,884 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:09:58,884 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:09:58,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_1) = 2*v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_1 + 1 Supporting invariants [] [2021-12-14 23:09:58,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-14 23:09:58,915 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-12-14 23:09:58,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:58,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 23:09:58,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:58,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-14 23:09:58,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:59,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 39 treesize of output 23 [2021-12-14 23:09:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:09:59,014 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-14 23:09:59,014 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:09:59,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 66 transitions. Complement of second has 15 states. [2021-12-14 23:09:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:09:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:09:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-12-14 23:09:59,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-14 23:09:59,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:59,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-14 23:09:59,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:59,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. [2021-12-14 23:09:59,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:09:59,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2021-12-14 23:09:59,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:09:59,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 40 states and 48 transitions. [2021-12-14 23:09:59,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-14 23:09:59,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-14 23:09:59,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2021-12-14 23:09:59,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:09:59,060 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-12-14 23:09:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2021-12-14 23:09:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-12-14 23:09:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 29 states have internal predecessors, (30), 10 states have call successors, (10), 7 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2021-12-14 23:09:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2021-12-14 23:09:59,069 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-12-14 23:09:59,069 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-12-14 23:09:59,069 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-14 23:09:59,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2021-12-14 23:09:59,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:09:59,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:09:59,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:09:59,072 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:09:59,072 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:09:59,072 INFO L791 eck$LassoCheckResult]: Stem: 594#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(main_#t~nondet13#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet13#1;call write~int(main_#t~nondet14#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~p1~0#1.base, main_~p1~0#1.offset, 4);main_#t~short17#1 := main_#t~mem15#1 < 0; 602#L63 assume !main_#t~short17#1;call main_#t~mem16#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4);main_#t~short17#1 := main_#t~mem16#1 < 0; 601#L63-2 assume !main_#t~short17#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;call main_#t~mem18#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4); 592#L66 call main_#t~ret19#1.base, main_#t~ret19#1.offset := f(main_~p1~0#1.base, main_~p1~0#1.offset, main_#t~mem18#1);< 596#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 608#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 611#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 612#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 618#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 588#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 620#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 619#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 589#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 620#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 587#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 590#gFINAL assume true; 622#gEXIT >#41#return; 603#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 604#gFINAL assume true; 617#gEXIT >#41#return; 616#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 615#gFINAL assume true; 613#gEXIT >#37#return; 591#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 593#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 610#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 585#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 605#gENTRY [2021-12-14 23:09:59,072 INFO L793 eck$LassoCheckResult]: Loop: 605#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 584#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 586#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 605#gENTRY [2021-12-14 23:09:59,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:09:59,072 INFO L85 PathProgramCache]: Analyzing trace with hash -853827823, now seen corresponding path program 2 times [2021-12-14 23:09:59,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:09:59,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308366535] [2021-12-14 23:09:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:09:59,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:09:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 23:09:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 23:09:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 23:09:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:09:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-14 23:09:59,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:09:59,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308366535] [2021-12-14 23:09:59,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308366535] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 23:09:59,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716650124] [2021-12-14 23:09:59,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 23:09:59,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 23:09:59,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:09:59,265 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 23:09:59,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-14 23:09:59,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 23:09:59,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 23:09:59,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-14 23:09:59,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:09:59,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-14 23:10:00,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:03,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 17 treesize of output 9 [2021-12-14 23:10:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-14 23:10:03,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 23:10:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:03,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716650124] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 23:10:03,609 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 23:10:03,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 17] total 29 [2021-12-14 23:10:03,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657732583] [2021-12-14 23:10:03,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 23:10:03,610 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:10:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:03,610 INFO L85 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 2 times [2021-12-14 23:10:03,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:03,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101982619] [2021-12-14 23:10:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:03,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:03,617 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:03,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:03,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:03,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-14 23:10:03,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=673, Unknown=4, NotChecked=0, Total=812 [2021-12-14 23:10:03,747 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 22 states have internal predecessors, (34), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9) [2021-12-14 23:10:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:05,244 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2021-12-14 23:10:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 23:10:05,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 67 transitions. [2021-12-14 23:10:05,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:05,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 46 states and 58 transitions. [2021-12-14 23:10:05,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-14 23:10:05,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-14 23:10:05,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2021-12-14 23:10:05,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:10:05,248 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-12-14 23:10:05,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2021-12-14 23:10:05,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-12-14 23:10:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 10 states have call successors, (10), 7 states have call predecessors, (10), 5 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2021-12-14 23:10:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2021-12-14 23:10:05,251 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-12-14 23:10:05,251 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-12-14 23:10:05,251 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-14 23:10:05,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2021-12-14 23:10:05,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:05,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:05,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:05,253 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:05,253 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:10:05,253 INFO L791 eck$LassoCheckResult]: Stem: 918#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 919#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~short17#1, main_#t~mem18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(main_#t~nondet13#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet13#1;call write~int(main_#t~nondet14#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~p1~0#1.base, main_~p1~0#1.offset, 4);main_#t~short17#1 := main_#t~mem15#1 < 0; 929#L63 assume !main_#t~short17#1;call main_#t~mem16#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4);main_#t~short17#1 := main_#t~mem16#1 < 0; 928#L63-2 assume !main_#t~short17#1;havoc main_#t~mem15#1;havoc main_#t~mem16#1;havoc main_#t~short17#1;call main_#t~mem18#1 := read~int(main_~p2~0#1.base, main_~p2~0#1.offset, 4); 920#L66 call main_#t~ret19#1.base, main_#t~ret19#1.offset := f(main_~p1~0#1.base, main_~p1~0#1.offset, main_#t~mem18#1);< 921#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 935#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 939#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 940#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 947#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 915#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 938#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 946#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 916#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 938#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 946#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 916#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 938#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 914#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 917#gFINAL assume true; 952#gEXIT >#41#return; 930#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 924#gFINAL assume true; 927#gEXIT >#41#return; 941#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 951#gFINAL assume true; 945#gEXIT >#41#return; 944#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 943#gFINAL assume true; 942#gEXIT >#37#return; 922#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 923#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 937#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 913#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 931#gENTRY [2021-12-14 23:10:05,253 INFO L793 eck$LassoCheckResult]: Loop: 931#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 911#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 912#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 931#gENTRY [2021-12-14 23:10:05,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1079381827, now seen corresponding path program 3 times [2021-12-14 23:10:05,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:05,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480595215] [2021-12-14 23:10:05,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:05,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:05,269 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:05,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:05,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:05,306 INFO L85 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 3 times [2021-12-14 23:10:05,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:05,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460090257] [2021-12-14 23:10:05,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:05,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:05,310 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:05,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:05,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash 556146087, now seen corresponding path program 4 times [2021-12-14 23:10:05,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:05,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763582792] [2021-12-14 23:10:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:05,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:05,339 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:05,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:11,343 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:11,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:11,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:11,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:11,344 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:11,344 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,344 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:11,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:11,344 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration6_Lasso [2021-12-14 23:10:11,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:11,344 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:11,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,870 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-12-14 23:10:27,553 WARN L227 SmtUtils]: Spent 15.62s on a formula simplification. DAG size of input: 308 DAG size of output: 308 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-14 23:10:27,657 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:27,657 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:27,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,659 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-14 23:10:27,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:27,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,726 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-14 23:10:27,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:27,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,793 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-14 23:10:27,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:27,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,848 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-14 23:10:27,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-14 23:10:27,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,873 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-14 23:10:27,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:27,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,909 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-14 23:10:27,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-14 23:10:27,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,946 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-14 23:10:27,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:27,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,973 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-14 23:10:27,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:27,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:27,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:27,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:27,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:27,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:27,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:27,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:27,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:27,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:27,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:27,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:27,998 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:27,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-14 23:10:28,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-14 23:10:28,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,036 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-14 23:10:28,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,063 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-14 23:10:28,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-14 23:10:28,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,089 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-14 23:10:28,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,117 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-14 23:10:28,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,184 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-14 23:10:28,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,210 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-14 23:10:28,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-14 23:10:28,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,260 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-14 23:10:28,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,286 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-14 23:10:28,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-14 23:10:28,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,312 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-14 23:10:28,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-14 23:10:28,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,338 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-14 23:10:28,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:28,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:28,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-14 23:10:28,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,365 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-14 23:10:28,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,395 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-14 23:10:28,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,423 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-14 23:10:28,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:28,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,448 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-14 23:10:28,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:28,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:28,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:28,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-14 23:10:28,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,474 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-14 23:10:28,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:28,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:28,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:28,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:28,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-14 23:10:28,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:28,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:28,503 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:28,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-14 23:10:28,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:28,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:28,512 INFO L203 nArgumentSynthesizer]: 256 stem disjuncts [2021-12-14 23:10:28,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:28,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:28,787 INFO L401 nArgumentSynthesizer]: We have 516 Motzkin's Theorem applications. [2021-12-14 23:10:28,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:29,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:29,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:29,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:29,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:29,218 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:29,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-14 23:10:29,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:29,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:29,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:29,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:29,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:29,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:29,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:29,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:29,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-14 23:10:29,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:29,246 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:29,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-14 23:10:29,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:29,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:29,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:29,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:29,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:29,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:29,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:29,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:29,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-14 23:10:29,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:29,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:29,272 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:29,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-14 23:10:29,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:29,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:29,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:29,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:29,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:29,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:29,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:29,289 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:29,302 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-14 23:10:29,303 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-14 23:10:29,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:29,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:29,304 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:29,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:29,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-14 23:10:29,332 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:10:29,332 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:29,332 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int g_#in~p.base) 0)_2) = 2*v_rep(select (select #memory_int g_#in~p.base) 0)_2 + 1 Supporting invariants [] [2021-12-14 23:10:29,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:29,350 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-14 23:10:29,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:29,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-14 23:10:29,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:29,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-14 23:10:29,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:29,759 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 23:10:29,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 33 [2021-12-14 23:10:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:29,775 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-14 23:10:29,776 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:29,877 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 16 states. [2021-12-14 23:10:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 14 transitions. [2021-12-14 23:10:29,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 14 transitions. Stem has 34 letters. Loop has 3 letters. [2021-12-14 23:10:29,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:29,880 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-14 23:10:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:29,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-14 23:10:29,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:30,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:30,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-14 23:10:30,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:30,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 23:10:30,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 33 [2021-12-14 23:10:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:30,296 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-14 23:10:30,296 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:30,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 16 states. [2021-12-14 23:10:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 14 transitions. [2021-12-14 23:10:30,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 14 transitions. Stem has 34 letters. Loop has 3 letters. [2021-12-14 23:10:30,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:30,402 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-14 23:10:30,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:30,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-14 23:10:30,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:30,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-14 23:10:30,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:30,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 23:10:30,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 33 [2021-12-14 23:10:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:30,780 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-14 23:10:30,780 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:30,888 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 64 states and 73 transitions. Complement of second has 18 states. [2021-12-14 23:10:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2021-12-14 23:10:30,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 34 letters. Loop has 3 letters. [2021-12-14 23:10:30,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:30,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 37 letters. Loop has 3 letters. [2021-12-14 23:10:30,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:30,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 34 letters. Loop has 6 letters. [2021-12-14 23:10:30,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:30,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 73 transitions. [2021-12-14 23:10:30,891 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:30,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2021-12-14 23:10:30,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:10:30,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:10:30,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:10:30,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:30,892 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:30,892 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:30,892 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:30,892 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-14 23:10:30,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:10:30,892 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:30,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:10:30,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:10:30 BoogieIcfgContainer [2021-12-14 23:10:30,896 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:10:30,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:10:30,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:10:30,896 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:10:30,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:48" (3/4) ... [2021-12-14 23:10:30,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:10:30,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:10:30,899 INFO L158 Benchmark]: Toolchain (without parser) took 43026.12ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 94.2MB in the beginning and 59.5MB in the end (delta: 34.7MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2021-12-14 23:10:30,899 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:30,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.40ms. Allocated memory is still 125.8MB. Free memory was 93.9MB in the beginning and 101.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:10:30,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.76ms. Allocated memory is still 125.8MB. Free memory was 101.5MB in the beginning and 100.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:10:30,899 INFO L158 Benchmark]: Boogie Preprocessor took 38.75ms. Allocated memory is still 125.8MB. Free memory was 99.8MB in the beginning and 99.0MB in the end (delta: 777.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:30,900 INFO L158 Benchmark]: RCFGBuilder took 228.49ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 23:10:30,900 INFO L158 Benchmark]: BuchiAutomizer took 42551.40ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 87.0MB in the beginning and 59.5MB in the end (delta: 27.5MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2021-12-14 23:10:30,900 INFO L158 Benchmark]: Witness Printer took 2.13ms. Allocated memory is still 186.6MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:30,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.40ms. Allocated memory is still 125.8MB. Free memory was 93.9MB in the beginning and 101.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.76ms. Allocated memory is still 125.8MB. Free memory was 101.5MB in the beginning and 100.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.75ms. Allocated memory is still 125.8MB. Free memory was 99.8MB in the beginning and 99.0MB in the end (delta: 777.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 228.49ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 42551.40ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 87.0MB in the beginning and 59.5MB in the end (delta: 27.5MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 2.13ms. Allocated memory is still 186.6MB. Free memory is still 59.5MB. 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * \old(v) + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 1 + 2 * unknown-#memory_int-unknown[p][0] and consists of 7 locations. 3 modules have a trivial ranking function, the largest among these consists of 29 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.5s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 37.7s. Construction of modules took 0.2s. Büchi inclusion checks took 4.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 43 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 14/14 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 401 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 38 IncrementalHoareTripleChecker+Unchecked, 288 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 113 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital352 mio100 ax100 hnf100 lsp97 ukn42 mio100 lsp36 div100 bol100 ite100 ukn100 eq169 hnf96 smp100 dnf5515 smp76 tf100 neg83 sie161 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 689ms VariablesStem: 9 VariablesLoop: 2 DisjunctsStem: 256 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 516 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:10:30,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-12-14 23:10:31,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:31,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE