./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/psyco/psyco_abp_1-1.c -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 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:08:49,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:08:49,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:08:49,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:08:49,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:08:49,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:08:49,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:08:49,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:08:49,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:08:49,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:08:49,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:08:49,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:08:49,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:08:49,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:08:49,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:08:49,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:08:49,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:08:49,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:08:49,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:08:49,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:08:49,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:08:49,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:08:49,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:08:49,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:08:49,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:08:49,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:08:49,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:08:49,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:08:49,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:08:49,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:08:49,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:08:49,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:08:49,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:08:49,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:08:49,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:08:49,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:08:49,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:08:49,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:08:49,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:08:49,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:08:49,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:08:49,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:08:49,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:08:49,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:08:49,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:08:49,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:08:49,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:08:49,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:08:49,561 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:08:49,562 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:08:49,562 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:08:49,562 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:08:49,562 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:08:49,563 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:08:49,563 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:08:49,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:08:49,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:08:49,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:08:49,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:08:49,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:08:49,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:08:49,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:08:49,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:08:49,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:08:49,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:08:49,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:08:49,565 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:08:49,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:08:49,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:08:49,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:08:49,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:08:49,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:08:49,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:08:49,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:08:49,567 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:08:49,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2021-12-15 17:08:49,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:08:49,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:08:49,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:08:49,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:08:49,777 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:08:49,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-12-15 17:08:49,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c958e9c9b/a0f57aed263144eeb3c33a5ca580177c/FLAGcb1b1ed8f [2021-12-15 17:08:50,233 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:08:50,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-12-15 17:08:50,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c958e9c9b/a0f57aed263144eeb3c33a5ca580177c/FLAGcb1b1ed8f [2021-12-15 17:08:50,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c958e9c9b/a0f57aed263144eeb3c33a5ca580177c [2021-12-15 17:08:50,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:08:50,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:08:50,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:08:50,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:08:50,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:08:50,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1639e4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50, skipping insertion in model container [2021-12-15 17:08:50,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:08:50,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:08:50,473 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/psyco/psyco_abp_1-1.c[24818,24831] [2021-12-15 17:08:50,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:08:50,482 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:08:50,530 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/psyco/psyco_abp_1-1.c[24818,24831] [2021-12-15 17:08:50,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:08:50,555 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:08:50,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50 WrapperNode [2021-12-15 17:08:50,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:08:50,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:08:50,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:08:50,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:08:50,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,611 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 377 [2021-12-15 17:08:50,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:08:50,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:08:50,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:08:50,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:08:50,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:08:50,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:08:50,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:08:50,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:08:50,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (1/1) ... [2021-12-15 17:08:50,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:08:50,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:08:50,699 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) [2021-12-15 17:08:50,717 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 [2021-12-15 17:08:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:08:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:08:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:08:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:08:50,807 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:08:50,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:08:51,242 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:08:51,247 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:08:51,247 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:08:51,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:08:51 BoogieIcfgContainer [2021-12-15 17:08:51,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:08:51,249 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:08:51,249 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:08:51,253 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:08:51,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:08:51,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:08:50" (1/3) ... [2021-12-15 17:08:51,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ec17c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:08:51, skipping insertion in model container [2021-12-15 17:08:51,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:08:51,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:50" (2/3) ... [2021-12-15 17:08:51,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ec17c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:08:51, skipping insertion in model container [2021-12-15 17:08:51,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:08:51,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:08:51" (3/3) ... [2021-12-15 17:08:51,257 INFO L388 chiAutomizerObserver]: Analyzing ICFG psyco_abp_1-1.c [2021-12-15 17:08:51,294 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:08:51,295 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:08:51,295 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:08:51,295 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:08:51,295 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:08:51,295 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:08:51,295 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:08:51,296 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:08:51,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.9444444444444444) internal successors, (210), 108 states have internal predecessors, (210), 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) [2021-12-15 17:08:51,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2021-12-15 17:08:51,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:08:51,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:08:51,345 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:08:51,346 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:08:51,346 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:08:51,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.9444444444444444) internal successors, (210), 108 states have internal predecessors, (210), 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) [2021-12-15 17:08:51,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2021-12-15 17:08:51,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:08:51,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:08:51,359 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:08:51,359 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:08:51,363 INFO L791 eck$LassoCheckResult]: Stem: 97#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(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; 46#L26-2true [2021-12-15 17:08:51,364 INFO L793 eck$LassoCheckResult]: Loop: 46#L26-2true goto; 48#L563true assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 76#L40true assume !(main_~this_expect~0#1 > 16); 33#L40-2true assume !(0 == main_~q~0#1); 111#L65true assume !(1 == main_~q~0#1); 6#L165true assume !(2 == main_~q~0#1); 56#L265true assume !(3 == main_~q~0#1); 38#L365true assume !(4 == main_~q~0#1); 105#L465true assume !(5 == main_~q~0#1); 46#L26-2true [2021-12-15 17:08:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:08:51,371 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:08:51,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:08:51,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126200093] [2021-12-15 17:08:51,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:08:51,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:08:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:51,438 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:08:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:51,467 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:08:51,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:08:51,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2073703402, now seen corresponding path program 1 times [2021-12-15 17:08:51,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:08:51,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365333094] [2021-12-15 17:08:51,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:08:51,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:08:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:51,484 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:08:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:51,501 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:08:51,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:08:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2006272616, now seen corresponding path program 1 times [2021-12-15 17:08:51,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:08:51,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743122730] [2021-12-15 17:08:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:08:51,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:08:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:08:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:08:51,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:08:51,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743122730] [2021-12-15 17:08:51,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743122730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:08:51,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:08:51,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:08:51,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263420146] [2021-12-15 17:08:51,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:08:51,721 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:834) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:08:51,726 INFO L158 Benchmark]: Toolchain (without parser) took 1469.06ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-12-15 17:08:51,738 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:08:51,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.16ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 51.5MB in the beginning and 76.0MB in the end (delta: -24.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:08:51,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.03ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:08:51,741 INFO L158 Benchmark]: Boogie Preprocessor took 59.76ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 69.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:08:51,741 INFO L158 Benchmark]: RCFGBuilder took 576.32ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 76.9MB in the end (delta: -7.8MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2021-12-15 17:08:51,742 INFO L158 Benchmark]: BuchiAutomizer took 475.74ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 49.7MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 17:08:51,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.16ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 51.5MB in the beginning and 76.0MB in the end (delta: -24.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.03ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.76ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 69.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.32ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 76.9MB in the end (delta: -7.8MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 475.74ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 49.7MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:08:51,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable