./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/bubblesort-alloca-2.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 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 03:12:38,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 03:12:38,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 03:12:39,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 03:12:39,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 03:12:39,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 03:12:39,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 03:12:39,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 03:12:39,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 03:12:39,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 03:12:39,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 03:12:39,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 03:12:39,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 03:12:39,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 03:12:39,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 03:12:39,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 03:12:39,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 03:12:39,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 03:12:39,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 03:12:39,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 03:12:39,085 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 03:12:39,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 03:12:39,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 03:12:39,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 03:12:39,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 03:12:39,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 03:12:39,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 03:12:39,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 03:12:39,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 03:12:39,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 03:12:39,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 03:12:39,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 03:12:39,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 03:12:39,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 03:12:39,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 03:12:39,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 03:12:39,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 03:12:39,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 03:12:39,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 03:12:39,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 03:12:39,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 03:12:39,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 03:12:39,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 03:12:39,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 03:12:39,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 03:12:39,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 03:12:39,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 03:12:39,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 03:12:39,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 03:12:39,155 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 03:12:39,155 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 03:12:39,155 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 03:12:39,156 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 03:12:39,157 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 03:12:39,157 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 03:12:39,157 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 03:12:39,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 03:12:39,157 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 03:12:39,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 03:12:39,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 03:12:39,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 03:12:39,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 03:12:39,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 03:12:39,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 03:12:39,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 03:12:39,159 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 03:12:39,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 03:12:39,159 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 03:12:39,160 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 03:12:39,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 03:12:39,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 03:12:39,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 03:12:39,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 03:12:39,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 03:12:39,164 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 03:12:39,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2022-07-22 03:12:39,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 03:12:39,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 03:12:39,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 03:12:39,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 03:12:39,527 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 03:12:39,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2022-07-22 03:12:39,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a4e1cda3/cdb5ea94fab142b0acc0026e896649d9/FLAGbbf1d44b5 [2022-07-22 03:12:40,164 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 03:12:40,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2022-07-22 03:12:40,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a4e1cda3/cdb5ea94fab142b0acc0026e896649d9/FLAGbbf1d44b5 [2022-07-22 03:12:40,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a4e1cda3/cdb5ea94fab142b0acc0026e896649d9 [2022-07-22 03:12:40,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 03:12:40,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 03:12:40,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 03:12:40,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 03:12:40,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 03:12:40,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:40,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e748b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40, skipping insertion in model container [2022-07-22 03:12:40,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:40,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 03:12:40,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 03:12:40,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:12:40,870 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 03:12:40,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:12:40,939 INFO L208 MainTranslator]: Completed translation [2022-07-22 03:12:40,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40 WrapperNode [2022-07-22 03:12:40,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 03:12:40,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 03:12:40,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 03:12:40,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 03:12:40,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:40,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:40,989 INFO L137 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-07-22 03:12:40,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 03:12:40,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 03:12:40,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 03:12:40,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 03:12:40,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:40,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 03:12:41,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 03:12:41,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 03:12:41,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 03:12:41,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (1/1) ... [2022-07-22 03:12:41,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:41,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:41,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:41,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 03:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 03:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 03:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 03:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 03:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 03:12:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 03:12:41,180 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 03:12:41,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 03:12:41,334 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 03:12:41,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 03:12:41,339 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 03:12:41,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:12:41 BoogieIcfgContainer [2022-07-22 03:12:41,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 03:12:41,343 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 03:12:41,343 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 03:12:41,346 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 03:12:41,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:12:41,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 03:12:40" (1/3) ... [2022-07-22 03:12:41,348 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48e16ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:12:41, skipping insertion in model container [2022-07-22 03:12:41,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:12:41,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:12:40" (2/3) ... [2022-07-22 03:12:41,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48e16ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:12:41, skipping insertion in model container [2022-07-22 03:12:41,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:12:41,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:12:41" (3/3) ... [2022-07-22 03:12:41,350 INFO L354 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2022-07-22 03:12:41,433 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 03:12:41,433 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 03:12:41,434 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 03:12:41,434 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 03:12:41,434 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 03:12:41,434 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 03:12:41,434 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 03:12:41,434 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 03:12:41,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:41,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-22 03:12:41,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:41,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:41,486 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 03:12:41,487 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:12:41,487 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 03:12:41,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:41,490 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-22 03:12:41,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:41,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:41,491 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 03:12:41,492 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:12:41,498 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 11#L527true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 12#L527-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 15#L532-3true [2022-07-22 03:12:41,499 INFO L754 eck$LassoCheckResult]: Loop: 15#L532-3true assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 4#L532-2true main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 15#L532-3true [2022-07-22 03:12:41,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:41,508 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-22 03:12:41,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:41,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374295735] [2022-07-22 03:12:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:41,626 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:41,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:41,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-22 03:12:41,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:41,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346016027] [2022-07-22 03:12:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:41,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:41,701 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:41,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:41,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:41,725 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-22 03:12:41,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:41,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789884252] [2022-07-22 03:12:41,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:41,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:41,768 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:41,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:42,093 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:12:42,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:12:42,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:12:42,094 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:12:42,094 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:12:42,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,095 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:12:42,095 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:12:42,095 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2022-07-22 03:12:42,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:12:42,095 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:12:42,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:42,585 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:12:42,590 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:12:42,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:42,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:42,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 03:12:42,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:42,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:42,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:42,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:42,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:42,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:42,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:42,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:42,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:42,668 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 [2022-07-22 03:12:42,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:42,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:42,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:42,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:42,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:42,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:42,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:42,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:42,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:42,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 03:12:42,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:42,722 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 [2022-07-22 03:12:42,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:42,724 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) [2022-07-22 03:12:42,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:42,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:42,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:42,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:42,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:42,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:42,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:42,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:42,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 03:12:42,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:42,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:42,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:42,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:42,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 03:12:42,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:42,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:42,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:42,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:42,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:42,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:42,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:42,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:42,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:42,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:42,845 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:42,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 03:12:42,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:42,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:42,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:42,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:42,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:42,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:42,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:42,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:42,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:42,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:42,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:42,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:42,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:42,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:42,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:42,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 03:12:42,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:42,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:42,964 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:12:43,008 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-07-22 03:12:43,009 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-07-22 03:12:43,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,013 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,018 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:12:43,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 03:12:43,045 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 03:12:43,046 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:12:43,046 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1, ULTIMATE.start_main_~k~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 - 2*ULTIMATE.start_main_~k~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-22 03:12:43,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:43,089 INFO L293 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-07-22 03:12:43,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:43,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:12:43,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:43,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:12:43,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:43,251 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:12:43,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:43,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:43,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 53 transitions. Complement of second has 9 states. [2022-07-22 03:12:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 03:12:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2022-07-22 03:12:43,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 03:12:43,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:43,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 03:12:43,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:43,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-22 03:12:43,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:43,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 53 transitions. [2022-07-22 03:12:43,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:12:43,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 18 transitions. [2022-07-22 03:12:43,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 03:12:43,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-22 03:12:43,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-07-22 03:12:43,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:12:43,374 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-22 03:12:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-07-22 03:12:43,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-22 03:12:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-07-22 03:12:43,396 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-22 03:12:43,396 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-22 03:12:43,396 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 03:12:43,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-07-22 03:12:43,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:12:43,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:43,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:43,397 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 03:12:43,398 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 03:12:43,398 INFO L752 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 121#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 122#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 125#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 128#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 129#L515-3 [2022-07-22 03:12:43,398 INFO L754 eck$LassoCheckResult]: Loop: 129#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 130#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 131#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 129#L515-3 [2022-07-22 03:12:43,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:43,400 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-22 03:12:43,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:43,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719620628] [2022-07-22 03:12:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:43,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:43,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:12:43,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719620628] [2022-07-22 03:12:43,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719620628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 03:12:43,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 03:12:43,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 03:12:43,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692992908] [2022-07-22 03:12:43,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 03:12:43,476 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 03:12:43,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:43,477 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2022-07-22 03:12:43,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:43,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642221265] [2022-07-22 03:12:43,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:43,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:43,482 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:43,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:43,507 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:12:43,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:12:43,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:12:43,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:12:43,507 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 03:12:43,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:12:43,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:12:43,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2022-07-22 03:12:43,508 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:12:43,508 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:12:43,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:12:43,578 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 03:12:43,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 03:12:43,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:12:43,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 03:12:43,618 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 03:12:43,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2#1=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 03:12:43,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,648 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 03:12:43,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:12:43,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 03:12:43,666 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 03:12:43,667 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 03:12:43,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:43,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,687 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 03:12:43,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 03:12:43,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:12:43,714 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 03:12:43,715 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 03:12:43,735 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 [2022-07-22 03:12:43,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,737 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 03:12:43,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 03:12:43,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:12:43,767 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 [2022-07-22 03:12:43,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,769 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 03:12:43,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 03:12:43,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:12:43,822 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 03:12:43,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:43,829 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:12:43,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:12:43,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:12:43,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:12:43,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:12:43,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:12:43,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:12:43,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2022-07-22 03:12:43,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:12:43,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:12:43,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:43,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:12:43,904 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:12:43,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,907 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:43,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:43,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:43,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:43,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:43,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:43,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:43,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 03:12:43,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:43,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:43,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:43,972 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:43,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:43,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 03:12:43,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:43,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:43,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:43,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:43,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:43,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:43,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:43,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:44,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-22 03:12:44,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:44,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:44,009 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:44,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 03:12:44,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:44,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:44,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:44,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:44,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:44,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:44,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:44,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:44,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:44,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:44,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:44,055 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:12:44,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 03:12:44,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:44,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:44,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:44,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:44,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:44,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:12:44,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:12:44,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:12:44,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:44,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:44,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:44,120 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) [2022-07-22 03:12:44,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:12:44,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:12:44,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:12:44,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:12:44,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:12:44,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:12:44,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:12:44,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:12:44,137 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 [2022-07-22 03:12:44,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:12:44,150 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 03:12:44,150 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 03:12:44,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:44,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:44,152 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) [2022-07-22 03:12:44,162 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:12:44,162 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 03:12:44,162 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:12:44,162 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0#1) = 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2022-07-22 03:12:44,185 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 [2022-07-22 03:12:44,190 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 [2022-07-22 03:12:44,191 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 03:12:44,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:44,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 03:12:44,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:44,236 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 03:12:44,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:44,261 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 [2022-07-22 03:12:44,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:44,281 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 19 states and 28 transitions. Complement of second has 4 states. [2022-07-22 03:12:44,282 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 [2022-07-22 03:12:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-07-22 03:12:44,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-22 03:12:44,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:44,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2022-07-22 03:12:44,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:44,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2022-07-22 03:12:44,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:12:44,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2022-07-22 03:12:44,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 03:12:44,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2022-07-22 03:12:44,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 03:12:44,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-22 03:12:44,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-07-22 03:12:44,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 03:12:44,291 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-22 03:12:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-07-22 03:12:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-22 03:12:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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) [2022-07-22 03:12:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2022-07-22 03:12:44,294 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2022-07-22 03:12:44,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:12:44,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 03:12:44,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 03:12:44,299 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. 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) [2022-07-22 03:12:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:12:44,324 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2022-07-22 03:12:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 03:12:44,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2022-07-22 03:12:44,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 03:12:44,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2022-07-22 03:12:44,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 03:12:44,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 03:12:44,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-07-22 03:12:44,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 03:12:44,331 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-22 03:12:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-07-22 03:12:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-22 03:12:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:12:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-07-22 03:12:44,334 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-22 03:12:44,335 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-22 03:12:44,335 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 03:12:44,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-07-22 03:12:44,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 03:12:44,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:44,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:44,337 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:12:44,337 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 03:12:44,337 INFO L752 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 238#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 235#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 236#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 241#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 239#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 240#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 242#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 243#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 244#L516-3 [2022-07-22 03:12:44,337 INFO L754 eck$LassoCheckResult]: Loop: 244#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 245#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 250#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 244#L516-3 [2022-07-22 03:12:44,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2022-07-22 03:12:44,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:44,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475210615] [2022-07-22 03:12:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:44,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,364 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2022-07-22 03:12:44,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:44,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24335002] [2022-07-22 03:12:44,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,372 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:44,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2022-07-22 03:12:44,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:44,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688845567] [2022-07-22 03:12:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:44,419 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 [2022-07-22 03:12:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:12:44,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688845567] [2022-07-22 03:12:44,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688845567] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 03:12:44,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911754183] [2022-07-22 03:12:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 03:12:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:12:44,472 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 03:12:44,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-22 03:12:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:12:44,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 03:12:44,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:12:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:44,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 03:12:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:12:44,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911754183] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 03:12:44,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 03:12:44,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2022-07-22 03:12:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717335442] [2022-07-22 03:12:44,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 03:12:44,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:12:44,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 03:12:44,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-22 03:12:44,750 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2022-07-22 03:12:44,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:12:44,854 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2022-07-22 03:12:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 03:12:44,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2022-07-22 03:12:44,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 03:12:44,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2022-07-22 03:12:44,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 03:12:44,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 03:12:44,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-07-22 03:12:44,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 03:12:44,857 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-22 03:12:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-07-22 03:12:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-22 03:12:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 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) [2022-07-22 03:12:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-07-22 03:12:44,859 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-22 03:12:44,859 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-22 03:12:44,859 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 03:12:44,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-07-22 03:12:44,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 03:12:44,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:12:44,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:12:44,860 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:12:44,860 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 03:12:44,860 INFO L752 eck$LassoCheckResult]: Stem: 376#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 374#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 375#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 380#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 378#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 379#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 391#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 392#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 381#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 382#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 383#L516-3 [2022-07-22 03:12:44,860 INFO L754 eck$LassoCheckResult]: Loop: 383#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 384#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 389#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 383#L516-3 [2022-07-22 03:12:44,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2022-07-22 03:12:44,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:44,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145322507] [2022-07-22 03:12:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,873 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:44,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,898 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2022-07-22 03:12:44,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:44,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312077133] [2022-07-22 03:12:44,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,919 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:44,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:12:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2022-07-22 03:12:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:12:44,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227893570] [2022-07-22 03:12:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:12:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:12:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,973 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:12:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:12:44,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:12:45,378 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:12:45,378 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:12:45,378 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:12:45,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:12:45,378 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:12:45,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:12:45,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:12:45,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:12:45,379 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration4_Lasso [2022-07-22 03:12:45,379 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:12:45,379 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:12:45,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:12:45,444 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) 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:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) 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) [2022-07-22 03:12:45,448 INFO L158 Benchmark]: Toolchain (without parser) took 4965.88ms. Allocated memory was 48.2MB in the beginning and 75.5MB in the end (delta: 27.3MB). Free memory was 22.8MB in the beginning and 38.0MB in the end (delta: -15.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-07-22 03:12:45,448 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:12:45,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.27ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 22.6MB in the beginning and 39.0MB in the end (delta: -16.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-07-22 03:12:45,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.09ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 37.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 03:12:45,450 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 35.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 03:12:45,450 INFO L158 Benchmark]: RCFGBuilder took 311.64ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 39.1MB in the end (delta: -3.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-07-22 03:12:45,450 INFO L158 Benchmark]: BuchiAutomizer took 4104.15ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.8MB in the beginning and 38.0MB in the end (delta: 795.7kB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-07-22 03:12:45,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.27ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 22.6MB in the beginning and 39.0MB in the end (delta: -16.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.09ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 37.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 35.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.64ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 39.1MB in the end (delta: -3.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4104.15ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.8MB in the beginning and 38.0MB in the end (delta: 795.7kB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 03:12:45,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-22 03:12:45,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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: IllegalArgumentException: null