./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/array-memsafety/insertionsort-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 20:27:58,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 20:27:58,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 20:27:58,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 20:27:58,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 20:27:58,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 20:27:58,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 20:27:58,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 20:27:58,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 20:27:58,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 20:27:58,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 20:27:58,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 20:27:58,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 20:27:58,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 20:27:58,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 20:27:58,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 20:27:58,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 20:27:58,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 20:27:58,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 20:27:58,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 20:27:58,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 20:27:58,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 20:27:58,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 20:27:58,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 20:27:58,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 20:27:58,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 20:27:58,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 20:27:58,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 20:27:58,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 20:27:58,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 20:27:58,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 20:27:58,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 20:27:58,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 20:27:58,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 20:27:58,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 20:27:58,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 20:27:58,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 20:27:58,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 20:27:58,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 20:27:58,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 20:27:58,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 20:27:58,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 20:27:58,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 20:27:58,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 20:27:58,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 20:27:58,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 20:27:58,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 20:27:58,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 20:27:58,220 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 20:27:58,220 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 20:27:58,220 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 20:27:58,220 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 20:27:58,220 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 20:27:58,220 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 20:27:58,220 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 20:27:58,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 20:27:58,221 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 20:27:58,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 20:27:58,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 20:27:58,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 20:27:58,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 20:27:58,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 20:27:58,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 20:27:58,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 20:27:58,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 20:27:58,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 20:27:58,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 20:27:58,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 20:27:58,224 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 20:27:58,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d [2021-12-19 20:27:58,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 20:27:58,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 20:27:58,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 20:27:58,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 20:27:58,424 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 20:27:58,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2021-12-19 20:27:58,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ebc61903/99c4f4791c85431eb676ea9a626f7f77/FLAGfe18deff9 [2021-12-19 20:27:58,874 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 20:27:58,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2021-12-19 20:27:58,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ebc61903/99c4f4791c85431eb676ea9a626f7f77/FLAGfe18deff9 [2021-12-19 20:27:58,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ebc61903/99c4f4791c85431eb676ea9a626f7f77 [2021-12-19 20:27:58,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 20:27:58,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 20:27:58,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 20:27:58,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 20:27:58,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 20:27:58,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:27:58" (1/1) ... [2021-12-19 20:27:58,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8921d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:58, skipping insertion in model container [2021-12-19 20:27:58,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:27:58" (1/1) ... [2021-12-19 20:27:58,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 20:27:58,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 20:27:59,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:27:59,183 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 20:27:59,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:27:59,233 INFO L208 MainTranslator]: Completed translation [2021-12-19 20:27:59,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59 WrapperNode [2021-12-19 20:27:59,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 20:27:59,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 20:27:59,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 20:27:59,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 20:27:59,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,276 INFO L137 Inliner]: procedures = 116, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-12-19 20:27:59,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 20:27:59,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 20:27:59,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 20:27:59,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 20:27:59,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 20:27:59,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 20:27:59,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 20:27:59,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 20:27:59,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (1/1) ... [2021-12-19 20:27:59,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:27:59,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:27:59,336 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) [2021-12-19 20:27:59,338 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 [2021-12-19 20:27:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-19 20:27:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-19 20:27:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-19 20:27:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 20:27:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 20:27:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 20:27:59,451 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 20:27:59,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 20:27:59,601 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 20:27:59,605 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 20:27:59,605 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-19 20:27:59,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:27:59 BoogieIcfgContainer [2021-12-19 20:27:59,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 20:27:59,614 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 20:27:59,614 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 20:27:59,617 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 20:27:59,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:27:59,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 08:27:58" (1/3) ... [2021-12-19 20:27:59,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cbc5688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 08:27:59, skipping insertion in model container [2021-12-19 20:27:59,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:27:59,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:27:59" (2/3) ... [2021-12-19 20:27:59,619 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cbc5688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 08:27:59, skipping insertion in model container [2021-12-19 20:27:59,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:27:59,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:27:59" (3/3) ... [2021-12-19 20:27:59,620 INFO L388 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2021-12-19 20:27:59,648 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 20:27:59,648 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 20:27:59,648 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 20:27:59,648 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 20:27:59,648 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 20:27:59,649 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 20:27:59,649 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 20:27:59,649 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 20:27:59,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:27:59,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-19 20:27:59,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:27:59,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:27:59,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 20:27:59,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:27:59,679 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 20:27:59,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:27:59,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-19 20:27:59,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:27:59,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:27:59,681 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 20:27:59,681 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:27:59,685 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 3#L525true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 13#L525-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 9#L530-3true [2021-12-19 20:27:59,685 INFO L793 eck$LassoCheckResult]: Loop: 9#L530-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 6#L530-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 9#L530-3true [2021-12-19 20:27:59,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:27:59,689 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-19 20:27:59,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:27:59,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990375717] [2021-12-19 20:27:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:27:59,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:27:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:27:59,755 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:27:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:27:59,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:27:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:27:59,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-19 20:27:59,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:27:59,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963297717] [2021-12-19 20:27:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:27:59,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:27:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:27:59,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:27:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:27:59,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:27:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:27:59,790 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-19 20:27:59,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:27:59,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681371836] [2021-12-19 20:27:59,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:27:59,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:27:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:27:59,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:27:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:27:59,834 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:00,076 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:28:00,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:28:00,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:28:00,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:28:00,077 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:28:00,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:28:00,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:28:00,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2021-12-19 20:28:00,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:28:00,078 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:28:00,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:00,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:28:00,443 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:28:00,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:00,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:00,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 20:28:00,448 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 [2021-12-19 20:28:00,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:00,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:00,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:00,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:00,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:00,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:00,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:00,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:00,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:00,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:00,489 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) [2021-12-19 20:28:00,494 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 [2021-12-19 20:28:00,495 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 [2021-12-19 20:28:00,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:00,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:00,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:00,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:00,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:00,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:00,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:00,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:00,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:00,563 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) [2021-12-19 20:28:00,564 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 [2021-12-19 20:28:00,565 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 [2021-12-19 20:28:00,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:00,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:00,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:00,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:00,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:00,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:00,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:00,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:00,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:00,619 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) [2021-12-19 20:28:00,620 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 [2021-12-19 20:28:00,621 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 [2021-12-19 20:28:00,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:00,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:00,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:00,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:00,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:00,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:00,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:00,669 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 [2021-12-19 20:28:00,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:00,671 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) [2021-12-19 20:28:00,673 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 [2021-12-19 20:28:00,674 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 [2021-12-19 20:28:00,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:00,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:00,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:00,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:00,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:00,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:00,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:28:00,723 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-19 20:28:00,723 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-19 20:28:00,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:00,725 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) [2021-12-19 20:28:00,726 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 [2021-12-19 20:28:00,727 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:28:00,749 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-19 20:28:00,749 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:28:00,749 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 Supporting invariants [-2*ULTIMATE.start_main_~array_size~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 >= 0] [2021-12-19 20:28:00,770 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 [2021-12-19 20:28:00,779 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-12-19 20:28:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:00,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-19 20:28:00,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:00,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-19 20:28:00,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:00,905 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-19 20:28:00,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:00,960 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 59 transitions. Complement of second has 9 states. [2021-12-19 20:28:00,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-19 20:28:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2021-12-19 20:28:00,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-19 20:28:00,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:00,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-19 20:28:00,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:00,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-19 20:28:00,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:00,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2021-12-19 20:28:00,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-19 20:28:00,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2021-12-19 20:28:00,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-19 20:28:00,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-19 20:28:00,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-12-19 20:28:00,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:00,973 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-12-19 20:28:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-12-19 20:28:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-19 20:28:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-12-19 20:28:01,012 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-12-19 20:28:01,012 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-12-19 20:28:01,012 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 20:28:01,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-12-19 20:28:01,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-19 20:28:01,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:01,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:01,013 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-19 20:28:01,013 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-19 20:28:01,014 INFO L791 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 129#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 130#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 138#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 139#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 136#L515-3 [2021-12-19 20:28:01,014 INFO L793 eck$LassoCheckResult]: Loop: 136#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 137#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 141#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 143#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 142#L518-7 call write~int(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 135#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 136#L515-3 [2021-12-19 20:28:01,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,015 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-19 20:28:01,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912297242] [2021-12-19 20:28:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:01,075 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 [2021-12-19 20:28:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:01,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:28:01,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912297242] [2021-12-19 20:28:01,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912297242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:28:01,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:28:01,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 20:28:01,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908712994] [2021-12-19 20:28:01,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:28:01,090 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:28:01,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2021-12-19 20:28:01,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413652126] [2021-12-19 20:28:01,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,101 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:01,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:28:01,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 20:28:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-19 20:28:01,225 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:28:01,241 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2021-12-19 20:28:01,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 20:28:01,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-12-19 20:28:01,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-19 20:28:01,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2021-12-19 20:28:01,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-19 20:28:01,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-19 20:28:01,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-12-19 20:28:01,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:01,243 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-19 20:28:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-12-19 20:28:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-12-19 20:28:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-12-19 20:28:01,245 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-19 20:28:01,245 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-19 20:28:01,245 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 20:28:01,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-12-19 20:28:01,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-19 20:28:01,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:01,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:01,246 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:01,246 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-19 20:28:01,246 INFO L791 eck$LassoCheckResult]: Stem: 169#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 170#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 167#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 168#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 177#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 171#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 172#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 178#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 173#L515-3 [2021-12-19 20:28:01,246 INFO L793 eck$LassoCheckResult]: Loop: 173#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 174#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 179#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 181#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 180#L518-7 call write~int(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 175#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 173#L515-3 [2021-12-19 20:28:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-12-19 20:28:01,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000260585] [2021-12-19 20:28:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:01,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2021-12-19 20:28:01,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777731743] [2021-12-19 20:28:01,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,273 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:01,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,280 INFO L85 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2021-12-19 20:28:01,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793398097] [2021-12-19 20:28:01,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:01,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:28:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793398097] [2021-12-19 20:28:01,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793398097] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 20:28:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184222503] [2021-12-19 20:28:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:01,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:01,328 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:01,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-19 20:28:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:01,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-19 20:28:01,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:01,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 20:28:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:01,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184222503] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 20:28:01,439 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 20:28:01,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2021-12-19 20:28:01,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877264404] [2021-12-19 20:28:01,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 20:28:01,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:28:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-19 20:28:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-19 20:28:01,539 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:28:01,593 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-12-19 20:28:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-19 20:28:01,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-12-19 20:28:01,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-19 20:28:01,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2021-12-19 20:28:01,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-19 20:28:01,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-19 20:28:01,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-12-19 20:28:01,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:01,596 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-12-19 20:28:01,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-12-19 20:28:01,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-12-19 20:28:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-19 20:28:01,597 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 20:28:01,598 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 20:28:01,598 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 20:28:01,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-19 20:28:01,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-19 20:28:01,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:01,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:01,599 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:01,599 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-19 20:28:01,599 INFO L791 eck$LassoCheckResult]: Stem: 309#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 310#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 307#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 308#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 316#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 311#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 312#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 317#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 323#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 321#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 313#L515-3 [2021-12-19 20:28:01,599 INFO L793 eck$LassoCheckResult]: Loop: 313#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 314#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 319#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 322#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 320#L518-7 call write~int(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 315#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 313#L515-3 [2021-12-19 20:28:01,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2021-12-19 20:28:01,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931725124] [2021-12-19 20:28:01,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,609 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:01,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2021-12-19 20:28:01,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789276298] [2021-12-19 20:28:01,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,624 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:01,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2021-12-19 20:28:01,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:01,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145506286] [2021-12-19 20:28:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:01,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,645 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:01,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:01,980 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:28:01,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:28:01,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:28:01,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:28:01,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:28:01,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:01,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:28:01,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:28:01,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2021-12-19 20:28:01,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:28:01,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:28:01,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:01,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:02,427 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:28:02,427 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:28:02,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,428 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) [2021-12-19 20:28:02,429 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 [2021-12-19 20:28:02,460 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 [2021-12-19 20:28:02,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,497 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 [2021-12-19 20:28:02,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,499 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) [2021-12-19 20:28:02,500 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 [2021-12-19 20:28:02,501 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 [2021-12-19 20:28:02,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:02,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:02,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,553 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 [2021-12-19 20:28:02,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,554 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) [2021-12-19 20:28:02,555 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 [2021-12-19 20:28:02,556 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 [2021-12-19 20:28:02,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:02,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:02,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,582 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) [2021-12-19 20:28:02,584 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 [2021-12-19 20:28:02,585 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 [2021-12-19 20:28:02,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,611 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) [2021-12-19 20:28:02,612 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 [2021-12-19 20:28:02,613 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 [2021-12-19 20:28:02,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:02,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:02,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,662 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) [2021-12-19 20:28:02,663 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 [2021-12-19 20:28:02,664 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 [2021-12-19 20:28:02,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,692 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) [2021-12-19 20:28:02,693 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 [2021-12-19 20:28:02,694 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 [2021-12-19 20:28:02,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-19 20:28:02,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,722 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) [2021-12-19 20:28:02,728 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 [2021-12-19 20:28:02,729 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 [2021-12-19 20:28:02,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,756 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) [2021-12-19 20:28:02,758 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 [2021-12-19 20:28:02,759 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 [2021-12-19 20:28:02,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,782 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 [2021-12-19 20:28:02,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,783 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) [2021-12-19 20:28:02,785 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 [2021-12-19 20:28:02,785 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 [2021-12-19 20:28:02,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:02,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:02,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,815 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) [2021-12-19 20:28:02,828 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 [2021-12-19 20:28:02,828 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 [2021-12-19 20:28:02,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-19 20:28:02,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,867 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) [2021-12-19 20:28:02,873 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 [2021-12-19 20:28:02,873 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 [2021-12-19 20:28:02,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,896 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 [2021-12-19 20:28:02,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,897 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) [2021-12-19 20:28:02,899 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 [2021-12-19 20:28:02,900 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 [2021-12-19 20:28:02,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:02,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:02,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:02,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,925 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 [2021-12-19 20:28:02,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,926 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-12-19 20:28:02,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-19 20:28:02,929 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 [2021-12-19 20:28:02,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:02,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:02,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:02,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:02,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:02,979 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) [2021-12-19 20:28:02,979 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 [2021-12-19 20:28:02,981 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 [2021-12-19 20:28:02,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:02,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:02,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:02,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:02,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:02,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:03,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:28:03,036 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-19 20:28:03,036 INFO L444 ModelExtractionUtils]: 32 out of 43 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-19 20:28:03,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:03,061 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) [2021-12-19 20:28:03,061 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 [2021-12-19 20:28:03,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:28:03,083 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 20:28:03,083 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:28:03,083 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~i~0#1, ULTIMATE.start_insertionSort_~array_size#1) = -1*ULTIMATE.start_insertionSort_~i~0#1 + 1*ULTIMATE.start_insertionSort_~array_size#1 Supporting invariants [] [2021-12-19 20:28:03,105 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 [2021-12-19 20:28:03,121 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-12-19 20:28:03,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:03,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:28:03,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:03,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 20:28:03,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:03,201 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-19 20:28:03,201 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:03,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 31 transitions. Complement of second has 4 states. [2021-12-19 20:28:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 20:28:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-12-19 20:28:03,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2021-12-19 20:28:03,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:03,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2021-12-19 20:28:03,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:03,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2021-12-19 20:28:03,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:03,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2021-12-19 20:28:03,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:03,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2021-12-19 20:28:03,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-19 20:28:03,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-19 20:28:03,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2021-12-19 20:28:03,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:28:03,212 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-12-19 20:28:03,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2021-12-19 20:28:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-12-19 20:28:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-12-19 20:28:03,213 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-19 20:28:03,213 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-19 20:28:03,213 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-19 20:28:03,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-12-19 20:28:03,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:03,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:03,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:03,214 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:03,214 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-19 20:28:03,214 INFO L791 eck$LassoCheckResult]: Stem: 447#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 448#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 445#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 446#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 456#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 449#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 450#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 457#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 466#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 463#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 451#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 453#L518-6 [2021-12-19 20:28:03,214 INFO L793 eck$LassoCheckResult]: Loop: 453#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 460#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 464#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 458#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 453#L518-6 [2021-12-19 20:28:03,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2021-12-19 20:28:03,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:03,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133607903] [2021-12-19 20:28:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:03,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:03,223 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:03,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:03,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2021-12-19 20:28:03,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:03,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161014538] [2021-12-19 20:28:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:03,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:03,254 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:03,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:03,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:03,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2021-12-19 20:28:03,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:03,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370462081] [2021-12-19 20:28:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:03,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:03,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:03,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:03,635 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:28:03,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:28:03,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:28:03,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:28:03,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:28:03,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:03,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:28:03,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:28:03,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2021-12-19 20:28:03,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:28:03,635 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:28:03,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:03,920 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 [2021-12-19 20:28:04,138 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:28:04,139 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:28:04,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,140 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) [2021-12-19 20:28:04,144 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 [2021-12-19 20:28:04,145 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 [2021-12-19 20:28:04,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-19 20:28:04,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,171 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) [2021-12-19 20:28:04,172 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 [2021-12-19 20:28:04,173 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 [2021-12-19 20:28:04,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:04,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,199 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) [2021-12-19 20:28:04,200 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 [2021-12-19 20:28:04,203 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 [2021-12-19 20:28:04,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:04,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:04,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:04,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,225 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 [2021-12-19 20:28:04,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,226 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) [2021-12-19 20:28:04,229 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 [2021-12-19 20:28:04,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:04,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:04,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:04,238 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 [2021-12-19 20:28:04,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:04,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,258 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) [2021-12-19 20:28:04,259 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 [2021-12-19 20:28:04,260 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 [2021-12-19 20:28:04,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:04,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:04,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:04,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,293 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 [2021-12-19 20:28:04,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,294 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) [2021-12-19 20:28:04,294 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 [2021-12-19 20:28:04,296 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 [2021-12-19 20:28:04,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,326 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 [2021-12-19 20:28:04,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,327 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) [2021-12-19 20:28:04,328 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 [2021-12-19 20:28:04,329 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 [2021-12-19 20:28:04,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:04,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:04,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:04,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:04,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,353 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) [2021-12-19 20:28:04,353 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 [2021-12-19 20:28:04,355 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 [2021-12-19 20:28:04,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,380 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 [2021-12-19 20:28:04,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,381 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) [2021-12-19 20:28:04,382 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 [2021-12-19 20:28:04,382 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 [2021-12-19 20:28:04,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:04,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,410 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) [2021-12-19 20:28:04,410 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 [2021-12-19 20:28:04,412 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 [2021-12-19 20:28:04,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,457 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 [2021-12-19 20:28:04,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,458 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) [2021-12-19 20:28:04,459 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 [2021-12-19 20:28:04,460 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 [2021-12-19 20:28:04,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:04,489 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 [2021-12-19 20:28:04,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,490 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) [2021-12-19 20:28:04,492 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 [2021-12-19 20:28:04,492 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 [2021-12-19 20:28:04,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:04,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:04,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:04,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:04,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:04,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:04,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:28:04,535 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-19 20:28:04,535 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-12-19 20:28:04,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:04,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,537 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) [2021-12-19 20:28:04,537 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 [2021-12-19 20:28:04,538 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:28:04,559 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 20:28:04,559 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:28:04,559 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0#1) = 1*ULTIMATE.start_insertionSort_~j~0#1 Supporting invariants [] [2021-12-19 20:28:04,576 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 [2021-12-19 20:28:04,587 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-12-19 20:28:04,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:28:04,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:04,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-19 20:28:04,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:04,689 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 [2021-12-19 20:28:04,689 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:04,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 68 transitions. Complement of second has 9 states. [2021-12-19 20:28:04,718 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 [2021-12-19 20:28:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-12-19 20:28:04,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-19 20:28:04,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:04,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-19 20:28:04,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:04,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2021-12-19 20:28:04,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:04,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2021-12-19 20:28:04,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:04,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2021-12-19 20:28:04,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-19 20:28:04,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-19 20:28:04,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2021-12-19 20:28:04,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:28:04,734 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-12-19 20:28:04,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2021-12-19 20:28:04,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-12-19 20:28:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-12-19 20:28:04,736 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-12-19 20:28:04,736 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-12-19 20:28:04,736 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-19 20:28:04,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2021-12-19 20:28:04,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:04,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:04,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:04,737 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:04,737 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-19 20:28:04,737 INFO L791 eck$LassoCheckResult]: Stem: 631#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 632#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 629#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 630#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 643#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 633#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 634#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 644#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 653#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 650#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 637#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 638#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 656#L518-1 assume !insertionSort_#t~short6#1; 649#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 647#L518-7 call write~int(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 635#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 636#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 640#L518-6 [2021-12-19 20:28:04,737 INFO L793 eck$LassoCheckResult]: Loop: 640#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 645#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 648#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 641#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 640#L518-6 [2021-12-19 20:28:04,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:04,737 INFO L85 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2021-12-19 20:28:04,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:04,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496325661] [2021-12-19 20:28:04,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:04,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-19 20:28:04,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:28:04,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496325661] [2021-12-19 20:28:04,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496325661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:28:04,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:28:04,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 20:28:04,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348711355] [2021-12-19 20:28:04,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:28:04,763 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:28:04,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:04,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2021-12-19 20:28:04,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:04,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744256261] [2021-12-19 20:28:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:04,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:04,767 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:04,769 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:04,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:28:04,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 20:28:04,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-19 20:28:04,833 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:28:04,863 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-12-19 20:28:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-19 20:28:04,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-12-19 20:28:04,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:04,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-12-19 20:28:04,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-19 20:28:04,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-19 20:28:04,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-12-19 20:28:04,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:28:04,865 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-12-19 20:28:04,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-12-19 20:28:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2021-12-19 20:28:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-12-19 20:28:04,866 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-19 20:28:04,866 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-19 20:28:04,867 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-19 20:28:04,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-12-19 20:28:04,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:04,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:04,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:04,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:04,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-19 20:28:04,867 INFO L791 eck$LassoCheckResult]: Stem: 710#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 711#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 708#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 709#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 723#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 712#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 713#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 724#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 732#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 729#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 714#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 715#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 726#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 733#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 728#L518-7 call write~int(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 719#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 716#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 717#L518-6 [2021-12-19 20:28:04,867 INFO L793 eck$LassoCheckResult]: Loop: 717#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 725#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 730#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 720#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 717#L518-6 [2021-12-19 20:28:04,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:04,868 INFO L85 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2021-12-19 20:28:04,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:04,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365230129] [2021-12-19 20:28:04,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:04,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:04,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:28:04,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365230129] [2021-12-19 20:28:04,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365230129] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 20:28:04,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134525382] [2021-12-19 20:28:04,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-19 20:28:04,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:04,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:04,907 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:04,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-12-19 20:28:04,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-19 20:28:04,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-19 20:28:04,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-19 20:28:04,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:05,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 20:28:05,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:05,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134525382] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 20:28:05,074 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 20:28:05,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-12-19 20:28:05,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775727509] [2021-12-19 20:28:05,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 20:28:05,075 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:28:05,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:05,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2021-12-19 20:28:05,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:05,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270654857] [2021-12-19 20:28:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:05,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,079 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:05,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:28:05,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-19 20:28:05,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-19 20:28:05,144 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:05,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:28:05,189 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-12-19 20:28:05,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-19 20:28:05,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2021-12-19 20:28:05,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:05,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2021-12-19 20:28:05,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-19 20:28:05,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-19 20:28:05,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2021-12-19 20:28:05,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:28:05,190 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-12-19 20:28:05,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2021-12-19 20:28:05,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-12-19 20:28:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2021-12-19 20:28:05,192 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-12-19 20:28:05,192 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-12-19 20:28:05,192 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-19 20:28:05,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2021-12-19 20:28:05,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-19 20:28:05,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:05,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:05,193 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:05,193 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-19 20:28:05,193 INFO L791 eck$LassoCheckResult]: Stem: 906#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 907#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 904#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 905#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 918#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 908#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 909#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 919#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 933#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 930#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 929#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 926#L530-4 assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 910#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 911#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 927#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 928#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 922#L518-7 call write~int(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 915#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 912#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 913#L518-6 [2021-12-19 20:28:05,193 INFO L793 eck$LassoCheckResult]: Loop: 913#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 920#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 923#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 916#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 913#L518-6 [2021-12-19 20:28:05,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:05,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2021-12-19 20:28:05,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:05,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499485853] [2021-12-19 20:28:05,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:05,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,204 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,214 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:05,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2021-12-19 20:28:05,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:05,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161228557] [2021-12-19 20:28:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:05,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,217 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:05,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2021-12-19 20:28:05,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:05,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194022072] [2021-12-19 20:28:05,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:05,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,244 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:05,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:05,818 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:28:05,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:28:05,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:28:05,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:28:05,818 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:28:05,818 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:05,818 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:28:05,818 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:28:05,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2021-12-19 20:28:05,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:28:05,819 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:28:05,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:05,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:05,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:05,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:05,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:05,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:06,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:28:06,431 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:28:06,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,432 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) [2021-12-19 20:28:06,433 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 [2021-12-19 20:28:06,435 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 [2021-12-19 20:28:06,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:06,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:06,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:06,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:06,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,460 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) [2021-12-19 20:28:06,464 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 [2021-12-19 20:28:06,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:06,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:06,474 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 [2021-12-19 20:28:06,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:06,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,502 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) [2021-12-19 20:28:06,502 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 [2021-12-19 20:28:06,504 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 [2021-12-19 20:28:06,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:06,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:06,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:06,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:06,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,543 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) [2021-12-19 20:28:06,545 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 [2021-12-19 20:28:06,545 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 [2021-12-19 20:28:06,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:06,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:06,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:06,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-19 20:28:06,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,578 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) [2021-12-19 20:28:06,579 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 [2021-12-19 20:28:06,580 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 [2021-12-19 20:28:06,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:06,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:06,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:06,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-19 20:28:06,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,619 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) [2021-12-19 20:28:06,620 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 [2021-12-19 20:28:06,621 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 [2021-12-19 20:28:06,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:06,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:06,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,660 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 [2021-12-19 20:28:06,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,662 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) [2021-12-19 20:28:06,663 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 [2021-12-19 20:28:06,664 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 [2021-12-19 20:28:06,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:06,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:06,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:06,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:06,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,704 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) [2021-12-19 20:28:06,707 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 [2021-12-19 20:28:06,708 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 [2021-12-19 20:28:06,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:06,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:06,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:06,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:06,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:06,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:06,730 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:28:06,757 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-19 20:28:06,757 INFO L444 ModelExtractionUtils]: 6 out of 37 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-12-19 20:28:06,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:06,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:06,758 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) [2021-12-19 20:28:06,759 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 [2021-12-19 20:28:06,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:28:06,781 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 20:28:06,781 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:28:06,781 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0#1) = 1*ULTIMATE.start_insertionSort_~j~0#1 Supporting invariants [] [2021-12-19 20:28:06,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:06,841 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-12-19 20:28:06,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:06,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:28:06,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:06,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-19 20:28:06,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:06,965 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 [2021-12-19 20:28:06,965 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:06,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 70 transitions. Complement of second has 9 states. [2021-12-19 20:28:06,988 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 [2021-12-19 20:28:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-12-19 20:28:06,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 19 letters. Loop has 4 letters. [2021-12-19 20:28:06,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:06,989 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 20:28:06,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:07,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:28:07,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:07,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-19 20:28:07,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:07,089 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-19 20:28:07,089 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:07,112 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 70 transitions. Complement of second has 9 states. [2021-12-19 20:28:07,113 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 [2021-12-19 20:28:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-12-19 20:28:07,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 19 letters. Loop has 4 letters. [2021-12-19 20:28:07,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:07,113 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 20:28:07,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:07,158 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 [2021-12-19 20:28:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:07,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:28:07,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:07,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-19 20:28:07,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:07,244 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-19 20:28:07,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:07,267 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 83 transitions. Complement of second has 8 states. [2021-12-19 20:28:07,268 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 [2021-12-19 20:28:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2021-12-19 20:28:07,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 19 letters. Loop has 4 letters. [2021-12-19 20:28:07,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:07,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 23 letters. Loop has 4 letters. [2021-12-19 20:28:07,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:07,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 19 letters. Loop has 8 letters. [2021-12-19 20:28:07,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:07,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 83 transitions. [2021-12-19 20:28:07,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 20:28:07,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2021-12-19 20:28:07,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 20:28:07,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 20:28:07,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 20:28:07,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:07,270 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:28:07,270 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:28:07,270 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:28:07,270 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-19 20:28:07,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 20:28:07,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 20:28:07,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 20:28:07,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 08:28:07 BoogieIcfgContainer [2021-12-19 20:28:07,284 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 20:28:07,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 20:28:07,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 20:28:07,285 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 20:28:07,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:27:59" (3/4) ... [2021-12-19 20:28:07,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 20:28:07,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 20:28:07,287 INFO L158 Benchmark]: Toolchain (without parser) took 8382.23ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 91.9MB in the beginning and 128.6MB in the end (delta: -36.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.86ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 88.6MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.85ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 86.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: Boogie Preprocessor took 14.42ms. Allocated memory is still 119.5MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: RCFGBuilder took 321.84ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 74.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: BuchiAutomizer took 7669.97ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 74.8MB in the beginning and 129.6MB in the end (delta: -54.8MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2021-12-19 20:28:07,288 INFO L158 Benchmark]: Witness Printer took 2.29ms. Allocated memory is still 174.1MB. Free memory was 129.6MB in the beginning and 128.6MB in the end (delta: 985.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:28:07,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.86ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 88.6MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.85ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 86.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.42ms. Allocated memory is still 119.5MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.84ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 74.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7669.97ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 74.8MB in the beginning and 129.6MB in the end (delta: -54.8MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 2.29ms. Allocated memory is still 174.1MB. Free memory was 129.6MB in the beginning and 128.6MB in the end (delta: 985.1kB). 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 8 terminating modules (4 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * i + unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] and consists of 6 locations. One deterministic module has affine ranking function -1 * i + array_size and consists of 3 locations. One deterministic module has affine ranking function j and consists of 5 locations. One nondeterministic module has affine ranking function j and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 6.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 20 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 33 states and ocurred in iteration 7. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 129 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital195 mio100 ax110 hnf99 lsp86 ukn83 mio100 lsp60 div117 bol100 ite100 ukn100 eq171 hnf86 smp94 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 20:28:07,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2021-12-19 20:28:07,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-19 20:28:07,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE