./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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/loops/sum01_bug02_sum01_bug02_base.case.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 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:28:26,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:28:26,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:28:26,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:28:26,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:28:26,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:28:26,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:28:26,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:28:26,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:28:26,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:28:26,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:28:26,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:28:26,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:28:26,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:28:26,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:28:26,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:28:26,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:28:26,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:28:26,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:28:26,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:28:26,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:28:26,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:28:26,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:28:26,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:28:26,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:28:26,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:28:26,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:28:26,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:28:26,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:28:26,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:28:26,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:28:26,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:28:26,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:28:26,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:28:26,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:28:26,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:28:26,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:28:26,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:28:26,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:28:26,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:28:26,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:28:26,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:28:26,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:28:26,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:28:26,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:28:26,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:28:26,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:28:26,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:28:26,516 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:28:26,516 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:28:26,516 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:28:26,516 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:28:26,517 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:28:26,517 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:28:26,517 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:28:26,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:28:26,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:28:26,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:28:26,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:28:26,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:28:26,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:28:26,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:28:26,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:28:26,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:28:26,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:28:26,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:28:26,519 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:28:26,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:28:26,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:28:26,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:28:26,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:28:26,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:28:26,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:28:26,521 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:28:26,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d [2021-12-28 09:28:26,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:28:26,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:28:26,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:28:26,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:28:26,795 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:28:26,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2021-12-28 09:28:26,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6790cdd02/0fc78a0ae48f4cb2b170438df42399d6/FLAGff5825301 [2021-12-28 09:28:27,195 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:28:27,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2021-12-28 09:28:27,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6790cdd02/0fc78a0ae48f4cb2b170438df42399d6/FLAGff5825301 [2021-12-28 09:28:27,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6790cdd02/0fc78a0ae48f4cb2b170438df42399d6 [2021-12-28 09:28:27,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:28:27,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:28:27,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:28:27,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:28:27,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:28:27,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f573c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27, skipping insertion in model container [2021-12-28 09:28:27,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:28:27,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:28:27,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2021-12-28 09:28:27,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:28:27,375 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:28:27,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2021-12-28 09:28:27,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:28:27,402 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:28:27,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27 WrapperNode [2021-12-28 09:28:27,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:28:27,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:28:27,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:28:27,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:28:27,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,430 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2021-12-28 09:28:27,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:28:27,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:28:27,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:28:27,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:28:27,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:28:27,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:28:27,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:28:27,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:28:27,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (1/1) ... [2021-12-28 09:28:27,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:27,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:27,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-28 09:28:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:28:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:28:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:28:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:28:27,574 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:28:27,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:28:27,639 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:28:27,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:28:27,642 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 09:28:27,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:28:27 BoogieIcfgContainer [2021-12-28 09:28:27,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:28:27,644 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:28:27,644 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:28:27,646 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:28:27,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:28:27,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:28:27" (1/3) ... [2021-12-28 09:28:27,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3841cc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:28:27, skipping insertion in model container [2021-12-28 09:28:27,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:28:27,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:28:27" (2/3) ... [2021-12-28 09:28:27,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3841cc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:28:27, skipping insertion in model container [2021-12-28 09:28:27,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:28:27,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:28:27" (3/3) ... [2021-12-28 09:28:27,664 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case.i [2021-12-28 09:28:27,697 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:28:27,697 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:28:27,697 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:28:27,698 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:28:27,698 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:28:27,698 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:28:27,698 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:28:27,698 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:28:27,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) 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) [2021-12-28 09:28:27,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:28:27,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:28:27,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:28:27,719 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-28 09:28:27,720 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:28:27,720 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:28:27,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) 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) [2021-12-28 09:28:27,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:28:27,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:28:27,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:28:27,721 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-28 09:28:27,721 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:28:27,725 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(36, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 11#L24-3true [2021-12-28 09:28:27,726 INFO L793 eck$LassoCheckResult]: Loop: 11#L24-3true assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1; 9#L26true assume 4 == main_~i~0#1;main_~sn~0#1 := -10; 7#L24-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 11#L24-3true [2021-12-28 09:28:27,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:27,729 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-28 09:28:27,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:28:27,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347505608] [2021-12-28 09:28:27,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:28:27,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:28:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:27,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:28:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:27,838 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:28:27,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2021-12-28 09:28:27,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:28:27,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607160161] [2021-12-28 09:28:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:28:27,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:28:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:27,854 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:28:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:27,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:28:27,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:27,873 INFO L85 PathProgramCache]: Analyzing trace with hash 28698763, now seen corresponding path program 1 times [2021-12-28 09:28:27,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:28:27,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903971460] [2021-12-28 09:28:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:28:27,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:28:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:28:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:28:27,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:28:27,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903971460] [2021-12-28 09:28:27,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903971460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:28:27,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:28:27,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:28:27,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90900136] [2021-12-28 09:28:27,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:28:28,052 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:28:28,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:28:28,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:28:28,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:28:28,054 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:28:28,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:28:28,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:28:28,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration1_Loop [2021-12-28 09:28:28,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:28:28,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:28:28,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,127 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:28:28,136 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:28:28,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:28:28,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:28,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:28:28,162 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:28:28,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-28 09:28:28,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-28 09:28:28,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:28:28,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:28,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-28 09:28:28,209 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:28:28,210 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=-10} Honda state: {ULTIMATE.start_main_~sn~0#1=-10} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:28:28,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:28,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:28:28,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:28,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-28 09:28:28,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:28,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-28 09:28:28,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:28:28,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:28,321 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:28:28,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-28 09:28:28,337 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:28:28,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:28:28,337 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:28:28,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:28:28,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:28:28,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:28:28,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:28:28,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration1_Loop [2021-12-28 09:28:28,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:28:28,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:28:28,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,395 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:28:28,399 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:28:28,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-28 09:28:28,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:28:28,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:28:28,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:28:28,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:28:28,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:28:28,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:28:28,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:28:28,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:28:28,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:28:28,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:28,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,505 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-28 09:28:28,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:28:28,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:28:28,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:28:28,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:28:28,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:28:28,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:28:28,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:28:28,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:28:28,533 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:28:28,553 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-28 09:28:28,553 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-28 09:28:28,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-28 09:28:28,563 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:28:28,563 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:28:28,563 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:28:28,563 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [] [2021-12-28 09:28:28,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:28,586 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:28:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:28:28,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:28:28,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:28:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:28:28,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:28:28,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:28:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:28:28,693 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-28 09:28:28,694 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:28:28,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) 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). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 47 transitions. Complement of second has 7 states. [2021-12-28 09:28:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-28 09:28:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:28:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-12-28 09:28:28,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-28 09:28:28,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:28:28,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-28 09:28:28,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:28:28,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-28 09:28:28,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:28:28,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions. [2021-12-28 09:28:28,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:28:28,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 15 transitions. [2021-12-28 09:28:28,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-28 09:28:28,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-28 09:28:28,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-12-28 09:28:28,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:28:28,736 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-12-28 09:28:28,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-12-28 09:28:28,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-12-28 09:28:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:28:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-12-28 09:28:28,751 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-28 09:28:28,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:28:28,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:28:28,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:28:28,754 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:28:28,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:28:28,762 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2021-12-28 09:28:28,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:28:28,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-12-28 09:28:28,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:28:28,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2021-12-28 09:28:28,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-28 09:28:28,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-28 09:28:28,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-12-28 09:28:28,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:28:28,764 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-28 09:28:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-12-28 09:28:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2021-12-28 09:28:28,765 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) [2021-12-28 09:28:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-12-28 09:28:28,765 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-12-28 09:28:28,765 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-12-28 09:28:28,765 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:28:28,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-12-28 09:28:28,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:28:28,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:28:28,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:28:28,766 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-28 09:28:28,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:28:28,767 INFO L791 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(36, 2); 117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 125#L24-3 assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1; 122#L26 [2021-12-28 09:28:28,767 INFO L793 eck$LassoCheckResult]: Loop: 122#L26 assume !(4 == main_~i~0#1); 118#L24-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 119#L24-3 assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1; 122#L26 [2021-12-28 09:28:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:28,767 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2021-12-28 09:28:28,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:28:28,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435787693] [2021-12-28 09:28:28,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:28:28,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:28:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:28,775 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:28:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:28,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:28:28,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash 44743, now seen corresponding path program 1 times [2021-12-28 09:28:28,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:28:28,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139803799] [2021-12-28 09:28:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:28:28,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:28:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:28,784 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:28:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:28,786 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:28:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:28,787 INFO L85 PathProgramCache]: Analyzing trace with hash 889663585, now seen corresponding path program 1 times [2021-12-28 09:28:28,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:28:28,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984413370] [2021-12-28 09:28:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:28:28,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:28:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:28,794 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:28:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:28:28,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:28:28,825 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:28:28,825 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:28:28,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:28:28,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:28:28,825 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:28:28,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:28:28,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:28:28,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration2_Loop [2021-12-28 09:28:28,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:28:28,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:28:28,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:28,868 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:28:28,869 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:28:28,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-28 09:28:28,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:28:28,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:28,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:28,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:28,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:28,955 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:28,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-28 09:28:28,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:28:28,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:29,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:28:29,000 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=0}, {ULTIMATE.start_main_~sn~0#1=-2}] Lambdas: [1, 6, 1] Nus: [0, 0] [2021-12-28 09:28:29,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:29,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:29,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:29,035 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:29,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:28:29,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:29,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-28 09:28:29,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-28 09:28:29,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:29,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:29,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-28 09:28:29,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:28:29,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:28:29,227 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:28:29,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:29,246 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:28:29,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:28:29,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:28:29,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:28:29,246 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:28:29,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:29,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:28:29,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:28:29,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration2_Loop [2021-12-28 09:28:29,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:28:29,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:28:29,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:29,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:29,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:28:29,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:29,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:28:29,310 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:28:29,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:29,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:29,324 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:29,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-28 09:28:29,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:28:29,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:28:29,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:28:29,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:28:29,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:28:29,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:28:29,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:28:29,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:28:29,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:28:29,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-28 09:28:29,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:29,368 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:29,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-28 09:28:29,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:28:29,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:28:29,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:28:29,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:28:29,376 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-28 09:28:29,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:28:29,378 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-28 09:28:29,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:28:29,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:28:29,402 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-28 09:28:29,402 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-28 09:28:29,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:28:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:28:29,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:28:29,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-28 09:28:29,420 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:28:29,420 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:28:29,420 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:28:29,420 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2021-12-28 09:28:29,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:29,439 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:28:29,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:28:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:28:29,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:28:29,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:28:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:28:29,477 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:28:29,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:28:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:28:29,506 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-28 09:28:29,506 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:28:29,525 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. 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 19 states and 24 transitions. Complement of second has 6 states. [2021-12-28 09:28:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-28 09:28:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:28:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2021-12-28 09:28:29,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 3 letters. [2021-12-28 09:28:29,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:28:29,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-28 09:28:29,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:28:29,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-28 09:28:29,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:28:29,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2021-12-28 09:28:29,530 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:28:29,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-12-28 09:28:29,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:28:29,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:28:29,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:28:29,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:28:29,531 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:28:29,531 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:28:29,531 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:28:29,531 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:28:29,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-28 09:28:29,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:28:29,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:28:29,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:28:29 BoogieIcfgContainer [2021-12-28 09:28:29,538 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:28:29,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:28:29,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:28:29,539 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:28:29,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:28:27" (3/4) ... [2021-12-28 09:28:29,542 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:28:29,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:28:29,543 INFO L158 Benchmark]: Toolchain (without parser) took 2326.69ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 32.6MB in the beginning and 46.7MB in the end (delta: -14.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-28 09:28:29,543 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:28:29,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.54ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 32.3MB in the beginning and 62.5MB in the end (delta: -30.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-28 09:28:29,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.91ms. Allocated memory is still 77.6MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:28:29,548 INFO L158 Benchmark]: Boogie Preprocessor took 21.53ms. Allocated memory is still 77.6MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:28:29,549 INFO L158 Benchmark]: RCFGBuilder took 189.45ms. Allocated memory is still 77.6MB. Free memory was 59.9MB in the beginning and 51.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-28 09:28:29,549 INFO L158 Benchmark]: BuchiAutomizer took 1893.75ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 46.9MB in the end (delta: 4.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-28 09:28:29,550 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 46.7MB in the end (delta: 155.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:28:29,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.54ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 32.3MB in the beginning and 62.5MB in the end (delta: -30.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.91ms. Allocated memory is still 77.6MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.53ms. Allocated memory is still 77.6MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 189.45ms. Allocated memory is still 77.6MB. Free memory was 59.9MB in the beginning and 51.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1893.75ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 46.9MB in the end (delta: 4.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 46.7MB in the end (delta: 155.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 14 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp100 dnf132 smp100 tf107 neg97 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 53ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-28 09:28:29,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-28 09:28:29,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE