./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be8ef5df161ec8607fcf260b448695cdc595d4f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be8ef5df161ec8607fcf260b448695cdc595d4f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:28:05,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:05,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:05,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:05,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:05,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:05,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:05,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:05,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:05,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:05,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:05,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:05,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:05,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:05,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:05,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:05,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:05,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:05,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:05,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:05,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:05,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:06,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:06,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:06,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:06,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:06,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:06,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:06,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:06,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:06,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:06,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:06,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:06,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:06,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:06,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:06,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:06,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:06,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:06,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:06,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:06,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:28:06,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:06,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:06,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:06,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:06,107 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:06,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:06,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:06,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:28:06,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:06,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:06,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:06,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:06,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:06,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:06,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:06,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:06,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:06,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:06,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:06,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:06,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:06,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:06,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:06,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:06,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:06,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:28:06,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:28:06,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:06,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G ! call(__VERIFIER_error())) ) 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 -> 8be8ef5df161ec8607fcf260b448695cdc595d4f [2019-11-26 17:28:06,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:06,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:06,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:06,740 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:06,741 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:06,743 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2019-11-26 17:28:06,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c44496db/82b6e1f7e2df44389c2e3e66c489cba7/FLAGee65a5829 [2019-11-26 17:28:08,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:08,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2019-11-26 17:28:08,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c44496db/82b6e1f7e2df44389c2e3e66c489cba7/FLAGee65a5829 [2019-11-26 17:28:08,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c44496db/82b6e1f7e2df44389c2e3e66c489cba7 [2019-11-26 17:28:08,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:08,431 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:08,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:08,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:08,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:08,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:08" (1/1) ... [2019-11-26 17:28:08,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:08, skipping insertion in model container [2019-11-26 17:28:08,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:08" (1/1) ... [2019-11-26 17:28:08,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:08,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:09,013 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type _G_fpos_t [2019-11-26 17:28:09,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d8f3e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:09, skipping insertion in model container [2019-11-26 17:28:09,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:09,019 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:09,024 INFO L168 Benchmark]: Toolchain (without parser) took 590.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 944.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:09,039 INFO L168 Benchmark]: CDTParser took 2.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:28:09,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 944.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:09,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 576.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 944.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 160]: Unsupported Syntax Undefined type _G_fpos_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:28:12,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:12,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:12,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:12,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:12,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:12,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:12,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:12,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:12,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:12,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:12,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:12,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:12,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:12,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:12,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:12,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:12,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:12,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:12,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:12,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:12,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:12,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:12,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:12,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:12,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:12,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:12,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:12,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:12,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:12,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:12,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:12,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:12,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:12,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:12,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:12,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:12,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:12,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:12,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:12,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:12,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:28:13,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:13,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:13,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:13,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:13,049 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:13,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:13,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:13,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:13,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:13,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:13,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:13,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:13,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:28:13,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:28:13,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:13,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:13,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:13,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:13,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:13,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:13,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:13,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:13,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:13,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:13,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:13,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:13,067 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:28:13,069 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:28:13,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:13,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:28:13,071 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(G ! call(__VERIFIER_error())) ) 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 -> 8be8ef5df161ec8607fcf260b448695cdc595d4f [2019-11-26 17:28:13,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:13,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:13,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:13,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:13,692 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:13,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2019-11-26 17:28:13,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67787c16/82c0814fab284677b65fd7e844208326/FLAG92389d393 [2019-11-26 17:28:15,232 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:15,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2019-11-26 17:28:15,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67787c16/82c0814fab284677b65fd7e844208326/FLAG92389d393 [2019-11-26 17:28:15,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67787c16/82c0814fab284677b65fd7e844208326 [2019-11-26 17:28:15,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:15,341 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:15,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:15,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:15,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:15,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:15" (1/1) ... [2019-11-26 17:28:15,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:15, skipping insertion in model container [2019-11-26 17:28:15,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:15" (1/1) ... [2019-11-26 17:28:15,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:15,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:15,909 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type _G_fpos_t [2019-11-26 17:28:15,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76e7bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:15, skipping insertion in model container [2019-11-26 17:28:15,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:15,916 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:15,920 INFO L168 Benchmark]: Toolchain (without parser) took 577.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 943.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:15,932 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:28:15,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.26 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:15,939 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 573.26 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 160]: Unsupported Syntax Undefined type _G_fpos_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...