./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b3_o2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for LTL property G ! call(reach_error()) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerLTL.xml -i ../sv-benchmarks/c/recursive-simple/id2_b3_o2.c /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ltlformula.ltl -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-LTL-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main .................................................................................................................................................. 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 *LTL*32bit*_Bitvector*.epf No suitable settings file found using LTL*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 17:36:59,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:36:59,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:36:59,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:36:59,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:36:59,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:36:59,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:36:59,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:36:59,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:36:59,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:36:59,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:36:59,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:36:59,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:36:59,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:36:59,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:36:59,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:36:59,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:36:59,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:36:59,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:36:59,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:36:59,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:36:59,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:36:59,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:36:59,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:36:59,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:36:59,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:36:59,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:37:00,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:37:00,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:37:00,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:37:00,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:37:00,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:37:00,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:37:00,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:37:00,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:37:00,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:37:00,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:37:00,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:37:00,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:37:00,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:37:00,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:37:00,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-LTL-32bit-Automizer_Default.epf [2020-10-19 17:37:00,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:37:00,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:37:00,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:37:00,050 INFO L138 SettingsManager]: * Minimize states even if more edges are added than removed.=true [2020-10-19 17:37:00,050 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-10-19 17:37:00,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:37:00,051 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=NONE [2020-10-19 17:37:00,051 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:37:00,051 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 17:37:00,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2020-10-19 17:37:00,053 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 17:37:00,054 INFO L138 SettingsManager]: * Try twofold refinement=false [2020-10-19 17:37:00,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:37:00,054 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:37:00,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:37:00,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:37:00,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:37:00,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:37:00,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 17:37:00,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 17:37:00,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 17:37:00,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:37:00,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 17:37:00,059 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:37:00,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 17:37:00,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:37:00,060 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-19 17:37:00,061 INFO L138 SettingsManager]: * SMT solver=Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main [2020-10-19 17:37:00,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:37:00,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:37:00,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:37:00,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:37:00,425 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:37:00,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2020-10-19 17:37:00,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de087c4/d599c348201a4d1899064a86cd7965a1/FLAGaa42f8599 [2020-10-19 17:37:00,943 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:37:00,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2020-10-19 17:37:00,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de087c4/d599c348201a4d1899064a86cd7965a1/FLAGaa42f8599 [2020-10-19 17:37:01,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de087c4/d599c348201a4d1899064a86cd7965a1 [2020-10-19 17:37:01,348 INFO L271 PluginConnector]: Initializing LTL2Aut... [2020-10-19 17:37:01,352 INFO L275 PluginConnector]: LTL2Aut initialized [2020-10-19 17:37:01,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ltlformula.ltl [2020-10-19 17:37:01,353 INFO L57 LTLFileParser]: Using LTL file parser Syntax error [2020-10-19 17:37:01,379 FATAL L? ?]: [Toolchain 1]: Exception during parsing: de.uni_freiburg.informatik.ultimate.acsl.parser.ACSLSyntaxErrorException at de.uni_freiburg.informatik.ultimate.acsl.parser.Parser.report_fatal_error(Parser.java:2230) at de.uni_freiburg.informatik.ultimate.acsl.parser.Parser.unrecovered_syntax_error(Parser.java:2222) at com.github.jhoenicke.javacup.runtime.LRParser.error_recovery(LRParser.java:671) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:437) at de.uni_freiburg.informatik.ultimate.acsl.parser.Parser.parseComment(Parser.java:2173) at de.uni_freiburg.informatik.ultimate.ltl2aut.LTLFileParser.parse(LTLFileParser.java:78) at de.uni_freiburg.informatik.ultimate.ltl2aut.LTL2aut.parseAST(LTL2aut.java:195) at de.uni_freiburg.informatik.ultimate.ltl2aut.LTL2aut.parseAST(LTL2aut.java:187) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.runParser(ToolchainManager.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.runParsers(ToolchainManager.java:285) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:142) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-19 17:37:01,381 INFO L454 ainManager$Toolchain]: [Toolchain 1]: Clearing model... [2020-10-19 17:37:01,400 FATAL L180 ializationRepository]: Serialization of ModelContainer failed for key CDTParser AST 19.10 05:37:01 to file /tmp/CDTParser AST 19.10 05_37_01.ser [2020-10-19 17:37:01,401 ERROR L459 ainManager$Toolchain]: [Toolchain 1]: Failed to persist models: de.uni_freiburg.informatik.ultimate.cdt.decorator.ASTDecorator The toolchain threw an exception: class de.uni_freiburg.informatik.ultimate.acsl.parser.ACSLSyntaxErrorException: null RESULT: An exception occured during the execution of Ultimate: The toolchain threw an exception de.uni_freiburg.informatik.ultimate.acsl.parser.ACSLSyntaxErrorException at de.uni_freiburg.informatik.ultimate.acsl.parser.Parser.report_fatal_error(Parser.java:2230) at de.uni_freiburg.informatik.ultimate.acsl.parser.Parser.unrecovered_syntax_error(Parser.java:2222) at com.github.jhoenicke.javacup.runtime.LRParser.error_recovery(LRParser.java:671) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:437) at de.uni_freiburg.informatik.ultimate.acsl.parser.Parser.parseComment(Parser.java:2173) at de.uni_freiburg.informatik.ultimate.ltl2aut.LTLFileParser.parse(LTLFileParser.java:78) at de.uni_freiburg.informatik.ultimate.ltl2aut.LTL2aut.parseAST(LTL2aut.java:195) at de.uni_freiburg.informatik.ultimate.ltl2aut.LTL2aut.parseAST(LTL2aut.java:187) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.runParser(ToolchainManager.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.runParsers(ToolchainManager.java:285) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:142) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Received shutdown request...