./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 5fbdf5bf 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 c42e17875debafbb946353bbf5dda6a0b0ba9b37 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 05:20:15,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:20:15,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:20:15,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:20:15,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:20:15,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:20:15,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:20:15,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:20:15,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:20:15,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:20:15,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:20:15,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:20:15,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:20:15,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:20:15,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:20:15,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:20:15,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:20:15,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:20:15,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:20:15,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:20:15,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:20:15,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:20:15,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:20:15,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:20:15,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:20:15,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:20:15,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:20:15,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:20:15,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:20:15,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:20:15,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:20:15,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:20:15,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:20:15,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:20:15,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:20:15,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:20:15,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:20:15,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:20:15,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:20:15,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:20:15,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:20:15,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:20:15,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:20:15,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:20:15,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:20:15,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:20:15,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:20:15,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:20:15,951 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:20:15,951 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:20:15,952 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:20:15,952 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:20:15,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:20:15,953 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:20:15,953 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:20:15,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:20:15,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:20:15,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:20:15,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:20:15,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:20:15,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:20:15,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:20:15,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:20:15,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:20:15,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:20:15,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:20:15,955 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:20:15,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:20:15,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:20:15,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:20:15,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:20:15,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:20:15,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:20:15,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:20:15,958 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:20:15,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2021-08-31 05:20:16,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:20:16,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:20:16,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:20:16,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:20:16,338 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:20:16,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2021-08-31 05:20:16,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45b566297/8bdc63e04b464f85bf8341011c49184b/FLAGb46dea07e [2021-08-31 05:20:16,865 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:20:16,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2021-08-31 05:20:16,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45b566297/8bdc63e04b464f85bf8341011c49184b/FLAGb46dea07e [2021-08-31 05:20:16,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45b566297/8bdc63e04b464f85bf8341011c49184b [2021-08-31 05:20:16,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:20:16,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:20:16,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:20:16,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:20:16,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:20:16,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:20:16" (1/1) ... [2021-08-31 05:20:16,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f27717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:16, skipping insertion in model container [2021-08-31 05:20:16,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:20:16" (1/1) ... [2021-08-31 05:20:16,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:20:16,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:20:17,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:20:17,181 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:20:17,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:20:17,240 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:20:17,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17 WrapperNode [2021-08-31 05:20:17,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:20:17,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:20:17,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:20:17,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:20:17,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:20:17,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:20:17,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:20:17,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:20:17,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:20:17,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:20:17,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:20:17,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:20:17,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (1/1) ... [2021-08-31 05:20:17,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:17,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:17,327 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) [2021-08-31 05:20:17,329 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 [2021-08-31 05:20:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:20:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:20:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:20:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:20:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:20:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:20:17,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:20:17,503 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-31 05:20:17,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:20:17 BoogieIcfgContainer [2021-08-31 05:20:17,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:20:17,505 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:20:17,505 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:20:17,507 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:20:17,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:17,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:20:16" (1/3) ... [2021-08-31 05:20:17,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44804642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:20:17, skipping insertion in model container [2021-08-31 05:20:17,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:17,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:17" (2/3) ... [2021-08-31 05:20:17,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44804642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:20:17, skipping insertion in model container [2021-08-31 05:20:17,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:17,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:20:17" (3/3) ... [2021-08-31 05:20:17,511 INFO L389 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2021-08-31 05:20:17,563 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:20:17,563 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:20:17,563 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:20:17,563 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:20:17,563 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:20:17,563 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:20:17,563 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:20:17,563 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:20:17,591 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) [2021-08-31 05:20:17,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 05:20:17,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:17,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:17,627 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 05:20:17,627 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:17,627 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:20:17,627 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) [2021-08-31 05:20:17,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 05:20:17,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:17,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:17,630 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 05:20:17,630 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:17,636 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 3#L525true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 13#L525-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 9#L530-3true [2021-08-31 05:20:17,636 INFO L793 eck$LassoCheckResult]: Loop: 9#L530-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 6#L530-2true main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 9#L530-3true [2021-08-31 05:20:17,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:17,653 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-08-31 05:20:17,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:17,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725964289] [2021-08-31 05:20:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:17,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:17,778 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:17,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:17,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:17,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-08-31 05:20:17,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:17,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411160894] [2021-08-31 05:20:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:17,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:17,850 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:17,871 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:17,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:17,873 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-08-31 05:20:17,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:17,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651291668] [2021-08-31 05:20:17,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:17,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:17,903 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:17,926 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:18,250 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:18,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:18,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:18,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:18,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:18,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:18,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:18,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2021-08-31 05:20:18,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:18,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:18,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:18,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:18,604 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:18,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,613 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) [2021-08-31 05:20:18,627 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 [2021-08-31 05:20:18,628 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 [2021-08-31 05:20:18,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:18,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:18,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:18,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,676 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 [2021-08-31 05:20:18,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,678 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) [2021-08-31 05:20:18,681 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 [2021-08-31 05:20:18,682 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 [2021-08-31 05:20:18,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:18,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:18,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:18,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,722 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 [2021-08-31 05:20:18,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,724 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) [2021-08-31 05:20:18,726 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 [2021-08-31 05:20:18,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:18,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:18,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:18,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,775 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 [2021-08-31 05:20:18,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,776 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) [2021-08-31 05:20:18,777 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 [2021-08-31 05:20:18,778 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 [2021-08-31 05:20:18,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:18,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:18,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,817 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 [2021-08-31 05:20:18,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,819 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) [2021-08-31 05:20:18,823 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 [2021-08-31 05:20:18,824 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 [2021-08-31 05:20:18,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:18,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:18,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:18,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,849 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 [2021-08-31 05:20:18,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,850 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) [2021-08-31 05:20:18,851 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 [2021-08-31 05:20:18,852 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 [2021-08-31 05:20:18,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:18,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:18,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,886 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 [2021-08-31 05:20:18,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,888 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:18,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 05:20:18,890 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 [2021-08-31 05:20:18,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:18,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:18,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:18,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:18,925 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) [2021-08-31 05:20:18,926 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 [2021-08-31 05:20:18,927 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 [2021-08-31 05:20:18,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:18,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:18,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:18,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:18,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:18,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:18,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:18,990 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 [2021-08-31 05:20:18,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:18,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,005 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) [2021-08-31 05:20:19,006 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 [2021-08-31 05:20:19,008 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 [2021-08-31 05:20:19,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:19,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:19,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:19,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:19,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:19,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:19,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:19,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:19,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-31 05:20:19,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:19,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,037 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) [2021-08-31 05:20:19,040 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 [2021-08-31 05:20:19,041 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 [2021-08-31 05:20:19,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:19,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:19,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:19,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:19,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:19,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:19,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:19,097 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 [2021-08-31 05:20:19,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:19,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,099 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) [2021-08-31 05:20:19,100 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 [2021-08-31 05:20:19,102 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 [2021-08-31 05:20:19,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:19,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:19,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:19,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:19,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:19,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:19,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:19,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 05:20:19,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:19,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,139 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) [2021-08-31 05:20:19,140 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 [2021-08-31 05:20:19,143 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 [2021-08-31 05:20:19,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:19,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:19,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:19,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:19,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:19,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:19,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:19,212 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 [2021-08-31 05:20:19,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:19,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,215 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) [2021-08-31 05:20:19,222 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 [2021-08-31 05:20:19,223 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 [2021-08-31 05:20:19,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:19,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:19,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:19,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:19,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:19,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:19,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:19,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:19,265 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 [2021-08-31 05:20:19,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:19,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,271 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) [2021-08-31 05:20:19,273 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 [2021-08-31 05:20:19,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:19,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:19,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:19,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:19,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:19,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:19,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:19,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:19,370 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-31 05:20:19,371 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-08-31 05:20:19,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:19,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:19,389 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) [2021-08-31 05:20:19,442 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 [2021-08-31 05:20:19,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:19,469 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:19,469 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:19,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~array_size~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~array_size~0 Supporting invariants [] [2021-08-31 05:20:19,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:19,510 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-08-31 05:20:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:19,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:19,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:19,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:20:19,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:19,624 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 [2021-08-31 05:20:19,626 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-08-31 05:20:19,714 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 44 states and 62 transitions. Complement of second has 7 states. [2021-08-31 05:20:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 05:20:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-08-31 05:20:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2021-08-31 05:20:19,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-31 05:20:19,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:19,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 05:20:19,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:19,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 4 letters. [2021-08-31 05:20:19,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:19,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 62 transitions. [2021-08-31 05:20:19,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 05:20:19,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 20 transitions. [2021-08-31 05:20:19,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:20:19,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 05:20:19,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-08-31 05:20:19,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:19,731 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-08-31 05:20:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-08-31 05:20:19,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-08-31 05:20:19,748 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) [2021-08-31 05:20:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-08-31 05:20:19,750 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-08-31 05:20:19,750 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-08-31 05:20:19,750 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:20:19,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-08-31 05:20:19,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 05:20:19,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:19,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:19,751 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 05:20:19,751 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 05:20:19,751 INFO L791 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 122#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 119#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 120#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 128#L530-3 assume !(main_~i~1 < main_~array_size~0); 129#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 126#L515-3 [2021-08-31 05:20:19,752 INFO L793 eck$LassoCheckResult]: Loop: 126#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 127#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 131#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 133#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 132#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 125#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 126#L515-3 [2021-08-31 05:20:19,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:19,752 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-08-31 05:20:19,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:19,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624804607] [2021-08-31 05:20:19,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:19,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:19,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:19,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624804607] [2021-08-31 05:20:19,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624804607] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:19,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:19,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 05:20:19,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321403534] [2021-08-31 05:20:19,830 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:20:19,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:19,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2021-08-31 05:20:19,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:19,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118738463] [2021-08-31 05:20:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:19,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:19,843 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:19,844 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 [2021-08-31 05:20:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:19,863 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:20,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:20,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:20:20,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:20:20,032 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) [2021-08-31 05:20:20,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:20,086 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2021-08-31 05:20:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-31 05:20:20,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-08-31 05:20:20,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 05:20:20,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2021-08-31 05:20:20,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-31 05:20:20,091 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 05:20:20,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-08-31 05:20:20,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:20,092 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-08-31 05:20:20,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-08-31 05:20:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-08-31 05:20:20,094 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) [2021-08-31 05:20:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-08-31 05:20:20,096 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-08-31 05:20:20,096 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-08-31 05:20:20,097 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 05:20:20,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-08-31 05:20:20,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 05:20:20,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:20,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:20,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:20,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 05:20:20,101 INFO L791 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 160#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 157#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 158#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 166#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 161#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 162#L530-3 assume !(main_~i~1 < main_~array_size~0); 167#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 163#L515-3 [2021-08-31 05:20:20,101 INFO L793 eck$LassoCheckResult]: Loop: 163#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 164#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 169#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 171#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 170#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 165#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 163#L515-3 [2021-08-31 05:20:20,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:20,101 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-08-31 05:20:20,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:20,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140622291] [2021-08-31 05:20:20,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,119 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,151 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:20,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2021-08-31 05:20:20,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:20,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999444422] [2021-08-31 05:20:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,177 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:20,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:20,191 INFO L82 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2021-08-31 05:20:20,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:20,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063510172] [2021-08-31 05:20:20,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:20,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:20,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063510172] [2021-08-31 05:20:20,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063510172] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:20:20,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838169037] [2021-08-31 05:20:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:20:20,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:20,279 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:20:20,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-31 05:20:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:20,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 05:20:20,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:20,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:20:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:20,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838169037] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:20:20,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:20:20,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2021-08-31 05:20:20,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925570066] [2021-08-31 05:20:20,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:20,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-31 05:20:20,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-31 05:20:20,624 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) [2021-08-31 05:20:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:20,735 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-08-31 05:20:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-31 05:20:20,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-08-31 05:20:20,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 05:20:20,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2021-08-31 05:20:20,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-31 05:20:20,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 05:20:20,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-08-31 05:20:20,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:20,738 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-08-31 05:20:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-08-31 05:20:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-08-31 05:20:20,740 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) [2021-08-31 05:20:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-08-31 05:20:20,740 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-08-31 05:20:20,740 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-08-31 05:20:20,740 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 05:20:20,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-08-31 05:20:20,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 05:20:20,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:20,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:20,742 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:20,742 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 05:20:20,742 INFO L791 eck$LassoCheckResult]: Stem: 299#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 300#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 297#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 298#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 307#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 301#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 302#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 308#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 313#L530-3 assume !(main_~i~1 < main_~array_size~0); 311#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 303#L515-3 [2021-08-31 05:20:20,742 INFO L793 eck$LassoCheckResult]: Loop: 303#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 304#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 309#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 312#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 310#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 305#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 303#L515-3 [2021-08-31 05:20:20,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:20,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2021-08-31 05:20:20,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:20,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875411120] [2021-08-31 05:20:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,752 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:20,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:20,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2021-08-31 05:20:20,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:20,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886796208] [2021-08-31 05:20:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,786 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:20,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2021-08-31 05:20:20,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:20,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344426360] [2021-08-31 05:20:20,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:20,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,838 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:20,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:21,316 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:21,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:21,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:21,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:21,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:21,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:21,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:21,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:21,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2021-08-31 05:20:21,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:21,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:21,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:21,843 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:21,843 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:21,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:21,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:21,844 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) [2021-08-31 05:20:21,856 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 [2021-08-31 05:20:21,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:21,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:21,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:21,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:21,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:21,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:21,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:21,866 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 [2021-08-31 05:20:21,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:21,891 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 [2021-08-31 05:20:21,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:21,893 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) [2021-08-31 05:20:21,901 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 [2021-08-31 05:20:21,902 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 [2021-08-31 05:20:21,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:21,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:21,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:21,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:21,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:21,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:21,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:21,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:21,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:21,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:21,933 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) [2021-08-31 05:20:21,944 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 [2021-08-31 05:20:21,945 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 [2021-08-31 05:20:21,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:21,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:21,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:21,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:21,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:21,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:21,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,004 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 [2021-08-31 05:20:22,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,005 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) [2021-08-31 05:20:22,006 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 [2021-08-31 05:20:22,007 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 [2021-08-31 05:20:22,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:22,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:22,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:22,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-08-31 05:20:22,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,034 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) [2021-08-31 05:20:22,035 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 [2021-08-31 05:20:22,036 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 [2021-08-31 05:20:22,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:22,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:22,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,076 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 [2021-08-31 05:20:22,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,078 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) [2021-08-31 05:20:22,079 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 [2021-08-31 05:20:22,080 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 [2021-08-31 05:20:22,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:22,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:22,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:22,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-31 05:20:22,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,118 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) [2021-08-31 05:20:22,127 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 [2021-08-31 05:20:22,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:22,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:22,139 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 [2021-08-31 05:20:22,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,178 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 [2021-08-31 05:20:22,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,180 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) [2021-08-31 05:20:22,181 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 [2021-08-31 05:20:22,182 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 [2021-08-31 05:20:22,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:22,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:22,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:22,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:22,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,232 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) [2021-08-31 05:20:22,238 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 [2021-08-31 05:20:22,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:22,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:22,253 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 [2021-08-31 05:20:22,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,289 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 [2021-08-31 05:20:22,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,290 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) [2021-08-31 05:20:22,291 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 [2021-08-31 05:20:22,293 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 [2021-08-31 05:20:22,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:22,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:22,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:22,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,317 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 [2021-08-31 05:20:22,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,318 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) [2021-08-31 05:20:22,319 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 [2021-08-31 05:20:22,320 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 [2021-08-31 05:20:22,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:22,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:22,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:22,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,360 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 [2021-08-31 05:20:22,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,365 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) [2021-08-31 05:20:22,369 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 [2021-08-31 05:20:22,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:22,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:22,380 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 [2021-08-31 05:20:22,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:22,426 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 [2021-08-31 05:20:22,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,427 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) [2021-08-31 05:20:22,428 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 [2021-08-31 05:20:22,429 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 [2021-08-31 05:20:22,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:22,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:22,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:22,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:22,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:22,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:22,462 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:22,484 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-31 05:20:22,485 INFO L444 ModelExtractionUtils]: 30 out of 43 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 05:20:22,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:22,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:22,492 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) [2021-08-31 05:20:22,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:22,506 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 [2021-08-31 05:20:22,522 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:22,522 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:22,522 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~array_size, ULTIMATE.start_insertionSort_~i~0) = 1*ULTIMATE.start_insertionSort_~array_size - 1*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2021-08-31 05:20:22,548 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 [2021-08-31 05:20:22,562 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-31 05:20:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:22,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:22,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:22,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:20:22,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:22,665 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 [2021-08-31 05:20:22,666 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) [2021-08-31 05:20:22,704 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. [2021-08-31 05:20:22,704 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 [2021-08-31 05:20:22,705 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) [2021-08-31 05:20:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-08-31 05:20:22,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2021-08-31 05:20:22,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:22,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2021-08-31 05:20:22,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:22,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2021-08-31 05:20:22,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:22,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2021-08-31 05:20:22,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:22,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2021-08-31 05:20:22,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 05:20:22,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:22,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2021-08-31 05:20:22,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:20:22,716 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-08-31 05:20:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2021-08-31 05:20:22,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-08-31 05:20:22,720 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) [2021-08-31 05:20:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-08-31 05:20:22,723 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-31 05:20:22,724 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-31 05:20:22,724 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 05:20:22,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-08-31 05:20:22,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:22,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:22,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:22,726 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:22,726 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:20:22,726 INFO L791 eck$LassoCheckResult]: Stem: 433#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 434#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 431#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 432#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 444#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 435#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 436#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 445#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 452#L530-3 assume !(main_~i~1 < main_~array_size~0); 451#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 439#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 440#L518-6 [2021-08-31 05:20:22,726 INFO L793 eck$LassoCheckResult]: Loop: 440#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 446#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 449#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 442#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 440#L518-6 [2021-08-31 05:20:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:22,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2021-08-31 05:20:22,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:22,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586785898] [2021-08-31 05:20:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:22,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:22,752 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:22,771 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 [2021-08-31 05:20:22,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:22,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:22,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2021-08-31 05:20:22,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:22,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78312307] [2021-08-31 05:20:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:22,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:22,786 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:22,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:22,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:22,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2021-08-31 05:20:22,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:22,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962267323] [2021-08-31 05:20:22,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:22,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:22,823 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:22,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:23,294 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:23,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:23,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:23,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:23,294 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:23,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:23,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:23,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2021-08-31 05:20:23,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:23,295 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:23,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:23,766 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:23,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:23,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:23,768 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) [2021-08-31 05:20:23,769 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 [2021-08-31 05:20:23,770 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 [2021-08-31 05:20:23,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:23,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:23,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:23,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:23,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:23,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:23,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:23,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:23,794 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 [2021-08-31 05:20:23,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:23,799 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) [2021-08-31 05:20:23,800 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 [2021-08-31 05:20:23,802 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 [2021-08-31 05:20:23,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:23,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:23,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:23,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:23,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:23,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:23,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:23,884 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 [2021-08-31 05:20:23,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:23,885 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) [2021-08-31 05:20:23,885 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 [2021-08-31 05:20:23,886 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 [2021-08-31 05:20:23,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:23,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:23,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:23,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:23,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:23,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:23,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:23,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:23,910 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 [2021-08-31 05:20:23,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:23,911 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) [2021-08-31 05:20:23,912 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 [2021-08-31 05:20:23,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:23,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:23,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:23,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:23,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:23,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:23,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:23,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:23,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-31 05:20:23,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:23,940 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) [2021-08-31 05:20:23,941 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 [2021-08-31 05:20:23,942 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 [2021-08-31 05:20:23,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:23,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:23,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:23,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:23,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:23,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:23,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:23,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:23,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-08-31 05:20:23,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:23,967 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) [2021-08-31 05:20:23,967 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 [2021-08-31 05:20:23,968 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 [2021-08-31 05:20:23,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:23,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:23,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:23,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:23,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:23,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-31 05:20:24,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,024 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:24,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 05:20:24,025 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 [2021-08-31 05:20:24,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:24,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:24,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:24,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:24,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,049 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) [2021-08-31 05:20:24,050 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 [2021-08-31 05:20:24,051 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 [2021-08-31 05:20:24,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:24,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-31 05:20:24,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,078 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) [2021-08-31 05:20:24,079 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 [2021-08-31 05:20:24,080 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 [2021-08-31 05:20:24,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:24,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:24,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:24,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-08-31 05:20:24,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,109 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) [2021-08-31 05:20:24,109 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 [2021-08-31 05:20:24,110 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 [2021-08-31 05:20:24,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:24,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:24,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:24,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-31 05:20:24,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,134 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) [2021-08-31 05:20:24,136 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 [2021-08-31 05:20:24,137 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 [2021-08-31 05:20:24,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:24,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:24,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,182 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) [2021-08-31 05:20:24,185 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 [2021-08-31 05:20:24,189 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 [2021-08-31 05:20:24,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:24,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:24,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,217 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) [2021-08-31 05:20:24,218 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 [2021-08-31 05:20:24,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:24,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:24,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,274 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 [2021-08-31 05:20:24,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,275 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) [2021-08-31 05:20:24,276 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 [2021-08-31 05:20:24,277 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 [2021-08-31 05:20:24,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:24,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:24,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-31 05:20:24,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,324 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) [2021-08-31 05:20:24,325 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 [2021-08-31 05:20:24,327 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 [2021-08-31 05:20:24,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:24,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:24,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:24,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:24,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:24,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:24,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:24,386 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-31 05:20:24,387 INFO L444 ModelExtractionUtils]: 9 out of 40 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-08-31 05:20:24,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:24,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,389 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) [2021-08-31 05:20:24,393 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 [2021-08-31 05:20:24,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:24,418 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:24,418 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:24,419 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2021-08-31 05:20:24,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-31 05:20:24,444 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-31 05:20:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:24,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:24,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:24,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 05:20:24,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:24,562 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 [2021-08-31 05:20:24,562 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) [2021-08-31 05:20:24,611 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. [2021-08-31 05:20:24,611 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 [2021-08-31 05:20:24,613 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) [2021-08-31 05:20:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-08-31 05:20:24,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2021-08-31 05:20:24,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:24,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2021-08-31 05:20:24,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:24,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2021-08-31 05:20:24,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:24,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2021-08-31 05:20:24,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:24,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2021-08-31 05:20:24,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 05:20:24,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 05:20:24,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2021-08-31 05:20:24,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:20:24,627 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-08-31 05:20:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2021-08-31 05:20:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-08-31 05:20:24,629 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) [2021-08-31 05:20:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-08-31 05:20:24,630 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-08-31 05:20:24,630 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-08-31 05:20:24,630 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 05:20:24,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2021-08-31 05:20:24,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:24,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:24,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:24,631 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:24,631 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:20:24,632 INFO L791 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 606#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 603#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 604#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 617#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 607#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 608#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 618#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 627#L530-3 assume !(main_~i~1 < main_~array_size~0); 624#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 611#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 612#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 630#L518-1 assume !insertionSort_#t~short6; 623#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 621#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 609#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 610#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 613#L518-6 [2021-08-31 05:20:24,632 INFO L793 eck$LassoCheckResult]: Loop: 613#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 619#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 622#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 615#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 613#L518-6 [2021-08-31 05:20:24,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:24,632 INFO L82 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2021-08-31 05:20:24,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:24,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056616711] [2021-08-31 05:20:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:24,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-31 05:20:24,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:24,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056616711] [2021-08-31 05:20:24,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056616711] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:24,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:24,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 05:20:24,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720266520] [2021-08-31 05:20:24,672 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:20:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:24,672 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2021-08-31 05:20:24,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:24,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57096734] [2021-08-31 05:20:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:24,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:24,678 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:24,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:24,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:24,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 05:20:24,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 05:20:24,764 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) [2021-08-31 05:20:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:24,831 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-08-31 05:20:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 05:20:24,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-08-31 05:20:24,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:24,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-08-31 05:20:24,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 05:20:24,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 05:20:24,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-08-31 05:20:24,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:20:24,833 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-08-31 05:20:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-08-31 05:20:24,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2021-08-31 05:20:24,835 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) [2021-08-31 05:20:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-08-31 05:20:24,835 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-08-31 05:20:24,835 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-08-31 05:20:24,835 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 05:20:24,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-08-31 05:20:24,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:24,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:24,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:24,836 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:24,836 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:20:24,836 INFO L791 eck$LassoCheckResult]: Stem: 684#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 685#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 682#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 683#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 694#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 695#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 696#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 686#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 687#L530-3 assume !(main_~i~1 < main_~array_size~0); 704#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 688#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 689#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 702#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 706#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 703#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 693#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 690#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 691#L518-6 [2021-08-31 05:20:24,849 INFO L793 eck$LassoCheckResult]: Loop: 691#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 700#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 705#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 697#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 691#L518-6 [2021-08-31 05:20:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:24,849 INFO L82 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2021-08-31 05:20:24,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:24,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965005302] [2021-08-31 05:20:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:24,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:24,887 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 [2021-08-31 05:20:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:24,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:24,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965005302] [2021-08-31 05:20:24,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965005302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:20:24,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111766387] [2021-08-31 05:20:24,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-31 05:20:24,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:20:24,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:24,913 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:20:24,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-08-31 05:20:24,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-31 05:20:24,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 05:20:24,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 05:20:24,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:25,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:20:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:20:25,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111766387] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:20:25,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:20:25,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-08-31 05:20:25,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576407326] [2021-08-31 05:20:25,088 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:20:25,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:25,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2021-08-31 05:20:25,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:25,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958818921] [2021-08-31 05:20:25,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:25,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,093 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:25,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:25,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-31 05:20:25,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-31 05:20:25,167 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) [2021-08-31 05:20:25,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:25,265 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-08-31 05:20:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 05:20:25,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2021-08-31 05:20:25,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:25,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2021-08-31 05:20:25,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 05:20:25,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 05:20:25,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2021-08-31 05:20:25,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:20:25,268 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-08-31 05:20:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2021-08-31 05:20:25,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-08-31 05:20:25,270 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) [2021-08-31 05:20:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2021-08-31 05:20:25,270 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-08-31 05:20:25,270 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-08-31 05:20:25,271 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 05:20:25,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2021-08-31 05:20:25,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:25,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:25,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:25,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:25,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:20:25,272 INFO L791 eck$LassoCheckResult]: Stem: 880#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 881#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 878#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 879#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 890#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 891#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 892#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 882#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 883#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 905#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 904#L530-3 assume !(main_~i~1 < main_~array_size~0); 898#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 884#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 885#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 902#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 903#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 897#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 889#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 886#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 887#L518-6 [2021-08-31 05:20:25,273 INFO L793 eck$LassoCheckResult]: Loop: 887#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 895#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 899#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 893#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 887#L518-6 [2021-08-31 05:20:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:25,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2021-08-31 05:20:25,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:25,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864700568] [2021-08-31 05:20:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:25,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,284 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:25,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:25,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2021-08-31 05:20:25,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:25,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8225098] [2021-08-31 05:20:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:25,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,301 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:25,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:25,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2021-08-31 05:20:25,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:25,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499371966] [2021-08-31 05:20:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:25,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,317 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:25,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:26,237 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:26,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:26,238 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:26,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:26,238 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:26,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:26,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:26,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:26,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2021-08-31 05:20:26,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:26,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:26,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:26,320 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 05:20:26,335 INFO L158 Benchmark]: Toolchain (without parser) took 9437.57ms. Allocated memory was 56.6MB in the beginning and 104.9MB in the end (delta: 48.2MB). Free memory was 33.7MB in the beginning and 80.2MB in the end (delta: -46.5MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2021-08-31 05:20:26,335 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:20:26,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.77ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 34.1MB in the end (delta: -636.1kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 05:20:26,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.94ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 32.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:20:26,336 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 31.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:20:26,336 INFO L158 Benchmark]: RCFGBuilder took 204.36ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 51.7MB in the end (delta: -20.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-08-31 05:20:26,336 INFO L158 Benchmark]: BuchiAutomizer took 8828.90ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 51.7MB in the beginning and 80.2MB in the end (delta: -28.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-08-31 05:20:26,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.77ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 34.1MB in the end (delta: -636.1kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.94ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 32.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 31.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 204.36ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 51.7MB in the end (delta: -20.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 8828.90ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 51.7MB in the beginning and 80.2MB in the end (delta: -28.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 05:20:26,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:26,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-31 05:20:26,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...