./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash edc22a27a339ef391e3ea3841daa4645b584cc0ad7185141d6d001b72dd17f19 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:00:08,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:00:08,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:00:08,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:00:08,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:00:08,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:00:08,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:00:08,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:00:08,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:00:08,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:00:08,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:00:08,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:00:08,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:00:08,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:00:08,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:00:08,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:00:08,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:00:08,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:00:08,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:00:08,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:00:08,337 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:00:08,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:00:08,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:00:08,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:00:08,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:00:08,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:00:08,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:00:08,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:00:08,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:00:08,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:00:08,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:00:08,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:00:08,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:00:08,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:00:08,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:00:08,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:00:08,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:00:08,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:00:08,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:00:08,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:00:08,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:00:08,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:00:08,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:00:08,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:00:08,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:00:08,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:00:08,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:00:08,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:00:08,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:00:08,379 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:00:08,379 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:00:08,379 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:00:08,380 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:00:08,380 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:00:08,380 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:00:08,380 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:00:08,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:00:08,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:00:08,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:00:08,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:00:08,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:00:08,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:00:08,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:00:08,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:00:08,382 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:00:08,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:00:08,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:00:08,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:00:08,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:00:08,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:00:08,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:00:08,384 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:00:08,384 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc22a27a339ef391e3ea3841daa4645b584cc0ad7185141d6d001b72dd17f19 [2022-07-14 15:00:08,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:00:08,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:00:08,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:00:08,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:00:08,721 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:00:08,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2022-07-14 15:00:08,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65401f61d/ecf9708335f040e1a5480604e3a50bc4/FLAG72e9d789b [2022-07-14 15:00:09,259 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:00:09,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2022-07-14 15:00:09,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65401f61d/ecf9708335f040e1a5480604e3a50bc4/FLAG72e9d789b [2022-07-14 15:00:09,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65401f61d/ecf9708335f040e1a5480604e3a50bc4 [2022-07-14 15:00:09,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:00:09,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:00:09,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:00:09,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:00:09,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:00:09,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:09,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc7e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09, skipping insertion in model container [2022-07-14 15:00:09,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:09,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:00:09,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:00:09,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:00:09,928 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:00:09,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:00:09,988 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:00:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09 WrapperNode [2022-07-14 15:00:09,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:00:09,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:00:09,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:00:09,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:00:09,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,037 INFO L137 Inliner]: procedures = 111, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-07-14 15:00:10,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:00:10,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:00:10,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:00:10,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:00:10,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:00:10,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:00:10,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:00:10,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:00:10,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (1/1) ... [2022-07-14 15:00:10,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:10,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:10,105 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) [2022-07-14 15:00:10,107 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 [2022-07-14 15:00:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:00:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:00:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 15:00:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:00:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:00:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:00:10,252 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:00:10,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:00:10,354 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:00:10,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:00:10,359 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 15:00:10,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:10 BoogieIcfgContainer [2022-07-14 15:00:10,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:00:10,362 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:00:10,362 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:00:10,364 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:00:10,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:10,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:00:09" (1/3) ... [2022-07-14 15:00:10,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@756949b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:00:10, skipping insertion in model container [2022-07-14 15:00:10,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:10,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:09" (2/3) ... [2022-07-14 15:00:10,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@756949b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:00:10, skipping insertion in model container [2022-07-14 15:00:10,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:10,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:10" (3/3) ... [2022-07-14 15:00:10,368 INFO L354 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2022-07-14 15:00:10,442 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:00:10,443 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:00:10,443 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:00:10,443 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:00:10,458 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:00:10,458 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:00:10,458 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:00:10,458 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:00:10,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-07-14 15:00:10,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 15:00:10,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:10,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:10,491 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 15:00:10,491 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:00:10,491 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:00:10,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-07-14 15:00:10,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 15:00:10,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:10,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:10,494 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 15:00:10,494 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:00:10,501 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; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 4#L561true assume !(main_~array_size~0#1 < 1); 7#L561-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 11#L565-3true [2022-07-14 15:00:10,501 INFO L754 eck$LassoCheckResult]: Loop: 11#L565-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 13#L565-2true main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11#L565-3true [2022-07-14 15:00:10,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:10,510 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-14 15:00:10,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:10,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641751907] [2022-07-14 15:00:10,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:10,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:10,637 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:10,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:10,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:10,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-14 15:00:10,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:10,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463423906] [2022-07-14 15:00:10,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:10,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:10,703 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:10,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:10,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:10,727 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-14 15:00:10,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:10,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496864383] [2022-07-14 15:00:10,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:10,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:10,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:10,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:11,018 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:00:11,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:00:11,019 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:00:11,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:00:11,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:00:11,019 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,020 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:00:11,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:00:11,020 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration1_Lasso [2022-07-14 15:00:11,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:00:11,021 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:00:11,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:11,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:00:11,413 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:00:11,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,419 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) [2022-07-14 15:00:11,424 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 [2022-07-14 15:00:11,432 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 [2022-07-14 15:00:11,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:11,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:11,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:11,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,479 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 [2022-07-14 15:00:11,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,481 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) [2022-07-14 15:00:11,482 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 [2022-07-14 15:00:11,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:11,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:11,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:11,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:11,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,529 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 [2022-07-14 15:00:11,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,532 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) [2022-07-14 15:00:11,535 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 [2022-07-14 15:00:11,583 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 [2022-07-14 15:00:11,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:11,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:11,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 15:00:11,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,629 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) [2022-07-14 15:00:11,630 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 [2022-07-14 15:00:11,632 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 [2022-07-14 15:00:11,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:11,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:11,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,666 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 [2022-07-14 15:00:11,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,668 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) [2022-07-14 15:00:11,668 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 [2022-07-14 15:00:11,670 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 [2022-07-14 15:00:11,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:11,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:11,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:11,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-14 15:00:11,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,700 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) [2022-07-14 15:00:11,701 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 [2022-07-14 15:00:11,702 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 [2022-07-14 15:00:11,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:11,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:11,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,750 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 [2022-07-14 15:00:11,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,751 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) [2022-07-14 15:00:11,753 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 [2022-07-14 15:00:11,753 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 [2022-07-14 15:00:11,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:11,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:11,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,784 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 [2022-07-14 15:00:11,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,785 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) [2022-07-14 15:00:11,786 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 [2022-07-14 15:00:11,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:11,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:11,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:11,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:11,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:11,816 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 [2022-07-14 15:00:11,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,818 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) [2022-07-14 15:00:11,818 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 [2022-07-14 15:00:11,820 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 [2022-07-14 15:00:11,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:11,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:11,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:11,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:11,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:11,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:11,859 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:00:11,901 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-07-14 15:00:11,901 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-14 15:00:11,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:11,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:11,931 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) [2022-07-14 15:00:11,992 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 [2022-07-14 15:00:11,993 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:00:12,010 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 15:00:12,011 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:00:12,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-14 15:00:12,027 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 [2022-07-14 15:00:12,046 INFO L293 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-07-14 15:00:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:12,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 15:00:12,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:12,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 15:00:12,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:12,194 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 [2022-07-14 15:00:12,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-07-14 15:00:12,275 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 50 transitions. Complement of second has 9 states. [2022-07-14 15:00:12,277 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 [2022-07-14 15:00:12,281 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) [2022-07-14 15:00:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2022-07-14 15:00:12,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-14 15:00:12,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:12,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-14 15:00:12,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:12,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-14 15:00:12,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:12,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 50 transitions. [2022-07-14 15:00:12,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 15:00:12,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 16 transitions. [2022-07-14 15:00:12,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-14 15:00:12,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-14 15:00:12,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2022-07-14 15:00:12,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:00:12,302 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-14 15:00:12,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2022-07-14 15:00:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-07-14 15:00:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-07-14 15:00:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-07-14 15:00:12,323 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-14 15:00:12,323 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-14 15:00:12,323 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:00:12,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-07-14 15:00:12,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 15:00:12,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:12,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:12,326 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 15:00:12,326 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 15:00:12,326 INFO L752 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 129#L561 assume !(main_~array_size~0#1 < 1); 130#L561-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 121#L565-3 assume !(main_~i~1#1 < main_~array_size~0#1); 123#L565-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 132#L551-3 [2022-07-14 15:00:12,326 INFO L754 eck$LassoCheckResult]: Loop: 132#L551-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 127#L552-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 128#L552-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 131#L551-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 132#L551-3 [2022-07-14 15:00:12,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:12,328 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-14 15:00:12,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:12,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679053066] [2022-07-14 15:00:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:12,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:12,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:00:12,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679053066] [2022-07-14 15:00:12,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679053066] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:00:12,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:00:12,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 15:00:12,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16565600] [2022-07-14 15:00:12,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:00:12,379 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 15:00:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2022-07-14 15:00:12,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:12,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157088257] [2022-07-14 15:00:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:12,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,385 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:12,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:00:12,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 15:00:12,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-14 15:00:12,428 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 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) [2022-07-14 15:00:12,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:00:12,448 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-07-14 15:00:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 15:00:12,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-07-14 15:00:12,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 15:00:12,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2022-07-14 15:00:12,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-14 15:00:12,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-14 15:00:12,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-07-14 15:00:12,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:00:12,451 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-14 15:00:12,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-07-14 15:00:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-07-14 15:00:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-07-14 15:00:12,453 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-14 15:00:12,453 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-14 15:00:12,453 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:00:12,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-07-14 15:00:12,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 15:00:12,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:12,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:12,454 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:00:12,454 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 15:00:12,455 INFO L752 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 155#L561 assume !(main_~array_size~0#1 < 1); 156#L561-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 157#L565-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 158#L565-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 159#L565-3 assume !(main_~i~1#1 < main_~array_size~0#1); 160#L565-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 164#L551-3 [2022-07-14 15:00:12,455 INFO L754 eck$LassoCheckResult]: Loop: 164#L551-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 161#L552-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 162#L552-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 163#L551-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 164#L551-3 [2022-07-14 15:00:12,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:12,455 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-14 15:00:12,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:12,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923004318] [2022-07-14 15:00:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:12,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,467 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:12,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2022-07-14 15:00:12,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:12,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957796600] [2022-07-14 15:00:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:12,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,483 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:12,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:12,488 INFO L85 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2022-07-14 15:00:12,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:12,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068012104] [2022-07-14 15:00:12,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:12,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,502 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:12,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:12,593 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 [2022-07-14 15:00:12,857 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:00:12,857 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:00:12,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:00:12,857 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:00:12,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:00:12,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:12,858 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:00:12,858 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:00:12,858 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2022-07-14 15:00:12,858 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:00:12,858 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:00:12,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:12,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:12,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:12,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:12,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:12,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:12,904 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) [2022-07-14 15:00:12,914 INFO L158 Benchmark]: Toolchain (without parser) took 3310.81ms. Allocated memory is still 125.8MB. Free memory was 90.7MB in the beginning and 73.9MB in the end (delta: 16.8MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,915 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:12,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.22ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 95.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.02ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 93.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,917 INFO L158 Benchmark]: Boogie Preprocessor took 31.44ms. Allocated memory is still 125.8MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,918 INFO L158 Benchmark]: RCFGBuilder took 290.88ms. Allocated memory is still 125.8MB. Free memory was 91.9MB in the beginning and 82.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,920 INFO L158 Benchmark]: BuchiAutomizer took 2548.07ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 73.9MB in the end (delta: 7.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.22ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 95.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.02ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 93.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.44ms. Allocated memory is still 125.8MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.88ms. Allocated memory is still 125.8MB. Free memory was 91.9MB in the beginning and 82.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2548.07ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 73.9MB in the end (delta: 7.6MB). Peak memory consumption was 45.8MB. 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. [2022-07-14 15:00:12,955 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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null