./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaB14.c --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-restricted-15/PastaB14.c -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 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:52:42,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:52:42,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:52:42,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:52:42,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:52:42,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:52:42,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:52:42,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:52:42,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:52:42,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:52:42,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:52:42,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:52:42,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:52:42,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:52:42,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:52:42,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:52:42,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:52:42,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:52:42,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:52:42,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:52:42,363 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:52:42,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:52:42,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:52:42,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:52:42,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:52:42,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:52:42,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:52:42,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:52:42,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:52:42,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:52:42,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:52:42,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:52:42,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:52:42,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:52:42,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:52:42,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:52:42,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:52:42,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:52:42,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:52:42,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:52:42,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:52:42,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:52:42,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 14:52:42,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:52:42,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:52:42,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:52:42,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:52:42,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:52:42,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:52:42,423 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:52:42,423 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 14:52:42,423 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 14:52:42,424 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 14:52:42,424 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 14:52:42,424 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 14:52:42,425 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 14:52:42,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:52:42,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:52:42,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:52:42,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:52:42,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 14:52:42,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 14:52:42,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 14:52:42,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:52:42,426 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 14:52:42,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:52:42,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 14:52:42,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:52:42,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:52:42,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:52:42,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:52:42,428 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 14:52:42,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e [2022-07-14 14:52:42,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:52:42,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:52:42,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:52:42,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:52:42,683 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:52:42,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaB14.c [2022-07-14 14:52:42,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db32417b9/477d3a954b8541ecb22da55512a7943a/FLAGe37865ec8 [2022-07-14 14:52:43,107 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:52:43,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB14.c [2022-07-14 14:52:43,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db32417b9/477d3a954b8541ecb22da55512a7943a/FLAGe37865ec8 [2022-07-14 14:52:43,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db32417b9/477d3a954b8541ecb22da55512a7943a [2022-07-14 14:52:43,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:52:43,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:52:43,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:52:43,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:52:43,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:52:43,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5906e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43, skipping insertion in model container [2022-07-14 14:52:43,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:52:43,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:52:43,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:52:43,259 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:52:43,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:52:43,277 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:52:43,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43 WrapperNode [2022-07-14 14:52:43,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:52:43,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:52:43,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:52:43,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:52:43,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,303 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-07-14 14:52:43,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:52:43,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:52:43,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:52:43,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:52:43,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:52:43,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:52:43,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:52:43,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:52:43,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (1/1) ... [2022-07-14 14:52:43,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:43,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:43,352 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 14:52:43,367 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 14:52:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:52:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:52:43,439 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:52:43,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:52:43,522 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:52:43,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:52:43,529 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 14:52:43,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:52:43 BoogieIcfgContainer [2022-07-14 14:52:43,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:52:43,532 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 14:52:43,532 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 14:52:43,537 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 14:52:43,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:52:43,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 02:52:43" (1/3) ... [2022-07-14 14:52:43,540 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37398c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:52:43, skipping insertion in model container [2022-07-14 14:52:43,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:52:43,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:52:43" (2/3) ... [2022-07-14 14:52:43,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37398c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:52:43, skipping insertion in model container [2022-07-14 14:52:43,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:52:43,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:52:43" (3/3) ... [2022-07-14 14:52:43,545 INFO L354 chiAutomizerObserver]: Analyzing ICFG PastaB14.c [2022-07-14 14:52:43,594 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 14:52:43,594 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 14:52:43,594 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 14:52:43,594 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 14:52:43,594 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 14:52:43,594 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 14:52:43,594 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 14:52:43,595 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 14:52:43,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 14:52:43,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 14:52:43,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:52:43,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:52:43,615 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 14:52:43,615 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 14:52:43,616 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 14:52:43,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 14:52:43,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 14:52:43,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:52:43,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:52:43,617 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 14:52:43,617 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 14:52:43,622 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L12-3true [2022-07-14 14:52:43,622 INFO L754 eck$LassoCheckResult]: Loop: 6#L12-3true assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 2#L12-2true assume !(main_~y~0#1 > 0); 6#L12-3true [2022-07-14 14:52:43,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:52:43,627 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 14:52:43,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:52:43,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023882305] [2022-07-14 14:52:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:52:43,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:52:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,681 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:52:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:52:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:52:43,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2022-07-14 14:52:43,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:52:43,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884921531] [2022-07-14 14:52:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:52:43,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:52:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:52:43,782 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 14:52:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:52:43,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884921531] [2022-07-14 14:52:43,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884921531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:52:43,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:52:43,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-14 14:52:43,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397639120] [2022-07-14 14:52:43,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:52:43,787 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 14:52:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:52:43,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 14:52:43,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:52:43,822 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 14:52:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:52:43,841 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-07-14 14:52:43,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 14:52:43,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-07-14 14:52:43,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:52:43,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2022-07-14 14:52:43,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-07-14 14:52:43,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2022-07-14 14:52:43,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2022-07-14 14:52:43,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 14:52:43,853 INFO L369 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2022-07-14 14:52:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2022-07-14 14:52:43,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2022-07-14 14:52:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) 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 14:52:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2022-07-14 14:52:43,872 INFO L392 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2022-07-14 14:52:43,872 INFO L374 stractBuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2022-07-14 14:52:43,872 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 14:52:43,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2022-07-14 14:52:43,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:52:43,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:52:43,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:52:43,873 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 14:52:43,874 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 14:52:43,874 INFO L752 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 29#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 30#L12-3 [2022-07-14 14:52:43,874 INFO L754 eck$LassoCheckResult]: Loop: 30#L12-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 26#L12-2 assume !!(main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 27#L12-2 assume !(main_~y~0#1 > 0); 30#L12-3 [2022-07-14 14:52:43,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:52:43,875 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-07-14 14:52:43,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:52:43,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298577459] [2022-07-14 14:52:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:52:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:52:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,879 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:52:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:52:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:52:43,882 INFO L85 PathProgramCache]: Analyzing trace with hash 41000, now seen corresponding path program 1 times [2022-07-14 14:52:43,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:52:43,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180573889] [2022-07-14 14:52:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:52:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:52:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,889 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:52:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:52:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:52:43,894 INFO L85 PathProgramCache]: Analyzing trace with hash 28699942, now seen corresponding path program 1 times [2022-07-14 14:52:43,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:52:43,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598266364] [2022-07-14 14:52:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:52:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:52:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,901 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:52:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:52:43,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:52:43,976 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:52:43,976 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:52:43,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:52:43,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:52:43,977 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 14:52:43,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:43,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:52:43,991 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:52:43,991 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2022-07-14 14:52:43,992 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:52:43,992 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:52:44,013 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 14:52:44,019 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 14:52:44,029 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 14:52:44,137 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:52:44,137 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 14:52:44,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,141 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 14:52:44,142 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 14:52:44,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:52:44,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:52:44,158 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 14:52:44,158 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 14:52:44,175 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 14:52:44,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,176 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 14:52:44,177 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 14:52:44,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:52:44,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:52:44,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 14:52:44,208 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 14:52:44,231 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 14:52:44,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,234 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 14:52:44,236 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 14:52:44,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:52:44,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:52:44,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 14:52:44,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,276 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 14:52:44,277 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 14:52:44,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 14:52:44,278 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:52:44,323 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 14:52:44,326 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 [2022-07-14 14:52:44,326 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:52:44,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:52:44,326 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:52:44,326 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:52:44,326 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:52:44,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:52:44,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:52:44,327 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2022-07-14 14:52:44,327 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:52:44,327 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:52:44,328 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 14:52:44,332 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 14:52:44,335 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 14:52:44,404 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:52:44,408 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:52:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,412 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 14:52:44,420 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 14:52:44,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:52:44,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:52:44,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:52:44,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:52:44,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:52:44,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:52:44,441 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 14:52:44,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:52:44,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 14:52:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,471 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 14:52:44,472 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 14:52:44,475 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 14:52:44,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:52:44,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:52:44,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:52:44,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:52:44,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:52:44,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:52:44,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:52:44,512 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 14:52:44,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,513 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 14:52:44,514 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 14:52:44,515 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 14:52:44,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:52:44,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:52:44,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:52:44,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:52:44,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:52:44,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:52:44,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:52:44,551 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 14:52:44,564 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-14 14:52:44,565 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-14 14:52:44,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:52:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:52:44,571 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 14:52:44,599 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 14:52:44,600 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 14:52:44,600 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 14:52:44,600 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-07-14 14:52:44,610 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 14:52:44,618 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 14:52:44,620 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 14:52:44,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:52:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:52:44,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 14:52:44,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:52:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:52:44,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 14:52:44,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:52:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:52:44,675 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-14 14:52:44,675 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 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) [2022-07-14 14:52:44,705 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. 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 9 states and 10 transitions. Complement of second has 6 states. [2022-07-14 14:52:44,706 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 [2022-07-14 14:52:44,707 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) [2022-07-14 14:52:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-07-14 14:52:44,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-14 14:52:44,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:52:44,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-14 14:52:44,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:52:44,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-14 14:52:44,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:52:44,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-07-14 14:52:44,710 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 14:52:44,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-07-14 14:52:44,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 14:52:44,710 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 14:52:44,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 14:52:44,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 14:52:44,710 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:52:44,710 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:52:44,710 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:52:44,710 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 14:52:44,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 14:52:44,710 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 14:52:44,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 14:52:44,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 02:52:44 BoogieIcfgContainer [2022-07-14 14:52:44,716 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 14:52:44,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 14:52:44,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 14:52:44,717 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 14:52:44,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:52:43" (3/4) ... [2022-07-14 14:52:44,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 14:52:44,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 14:52:44,720 INFO L158 Benchmark]: Toolchain (without parser) took 1593.90ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.3MB in the beginning and 61.3MB in the end (delta: -3.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-07-14 14:52:44,720 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 48.4MB in the end (delta: 39.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:52:44,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.64ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 68.8MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 14:52:44,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.71ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 67.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:52:44,722 INFO L158 Benchmark]: Boogie Preprocessor took 18.30ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 66.7MB in the end (delta: 895.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 14:52:44,722 INFO L158 Benchmark]: RCFGBuilder took 206.74ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 58.8MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 14:52:44,723 INFO L158 Benchmark]: BuchiAutomizer took 1184.62ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.3MB in the beginning and 61.8MB in the end (delta: -3.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-14 14:52:44,723 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 109.1MB. Free memory was 61.8MB in the beginning and 61.3MB in the end (delta: 543.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:52:44,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 48.4MB in the end (delta: 39.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.64ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 68.8MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.71ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 67.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.30ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 66.7MB in the end (delta: 895.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 206.74ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 58.8MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1184.62ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.3MB in the beginning and 61.8MB in the end (delta: -3.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 109.1MB. Free memory was 61.8MB in the beginning and 61.3MB in the end (delta: 543.6kB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function y 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 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf92 smp77 dnf100 smp100 tf107 neg96 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 14:52:44,758 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 14:52:44,973 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