./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/dll-circular-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 647186f77af479db589ba9ca6b990f259feeb9ca ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/dll-circular-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 647186f77af479db589ba9ca6b990f259feeb9ca ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:57:38,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:38,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:38,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:38,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:38,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:38,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:57:38,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:57:38,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:57:38,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:57:38,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:57:38,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:57:38,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:57:38,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:57:38,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:57:38,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:57:38,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:57:38,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:57:38,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:57:38,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:57:38,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:57:38,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:57:38,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:57:38,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:57:38,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:57:38,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:57:38,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:57:38,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:57:38,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:57:38,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:57:38,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:57:38,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:57:38,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:57:38,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:57:38,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:57:38,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:57:38,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:57:38,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:57:38,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:57:38,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:57:38,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:57:38,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:57:38,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:57:38,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:57:38,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:57:38,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:57:38,209 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:57:38,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:57:38,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:57:38,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:57:38,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:57:38,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:57:38,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:57:38,214 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:57:38,214 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:57:38,214 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:57:38,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:57:38,215 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:57:38,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:57:38,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:57:38,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:57:38,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:57:38,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:57:38,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:57:38,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:57:38,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:57:38,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:57:38,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:57:38,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:57:38,219 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-26 17:57:38,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:57:38,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:57:38,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:57:38,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:57:38,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:57:38,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-26 17:57:38,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766b1b99d/68b5a0b7ac544ef6be2e949584143bfc/FLAGd952d414e [2019-11-26 17:57:39,620 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:57:39,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-26 17:57:39,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766b1b99d/68b5a0b7ac544ef6be2e949584143bfc/FLAGd952d414e [2019-11-26 17:57:39,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766b1b99d/68b5a0b7ac544ef6be2e949584143bfc [2019-11-26 17:57:39,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:57:39,848 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:57:39,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:57:39,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:57:39,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:57:39,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:57:39" (1/1) ... [2019-11-26 17:57:39,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4776d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:57:39, skipping insertion in model container [2019-11-26 17:57:39,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:57:39" (1/1) ... [2019-11-26 17:57:39,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:57:39,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:57:40,218 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:57:40,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1267483d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:57:40, skipping insertion in model container [2019-11-26 17:57:40,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:57:40,222 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:57:40,227 INFO L168 Benchmark]: Toolchain (without parser) took 376.56 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:57:40,228 INFO L168 Benchmark]: CDTParser took 0.74 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 17:57:40,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:57:40,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 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 368.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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: 249]: Unsupported Syntax Undefined type __fsid_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 17:57:42,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:42,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:43,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:43,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:43,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:43,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:57:43,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:57:43,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:57:43,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:57:43,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:57:43,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:57:43,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:57:43,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:57:43,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:57:43,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:57:43,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:57:43,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:57:43,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:57:43,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:57:43,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:57:43,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:57:43,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:57:43,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:57:43,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:57:43,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:57:43,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:57:43,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:57:43,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:57:43,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:57:43,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:57:43,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:57:43,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:57:43,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:57:43,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:57:43,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:57:43,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:57:43,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:57:43,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:57:43,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:57:43,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:57:43,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:57:43,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:57:43,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:57:43,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:57:43,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:57:43,143 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:57:43,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:57:43,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:57:43,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:57:43,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:57:43,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:57:43,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:57:43,149 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:57:43,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:57:43,150 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:57:43,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:57:43,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:57:43,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:57:43,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:57:43,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:57:43,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:57:43,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:57:43,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:57:43,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:57:43,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:57:43,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:57:43,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:57:43,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:57:43,155 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:57:43,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:57:43,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:57:43,156 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-26 17:57:43,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:57:43,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:57:43,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:57:43,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:57:43,664 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:57:43,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-26 17:57:43,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9040015d/3aea170ee77b4b92b802add99c2eef3a/FLAGd5068983c [2019-11-26 17:57:44,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:57:44,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-26 17:57:44,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9040015d/3aea170ee77b4b92b802add99c2eef3a/FLAGd5068983c [2019-11-26 17:57:44,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9040015d/3aea170ee77b4b92b802add99c2eef3a [2019-11-26 17:57:44,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:57:44,801 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:57:44,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:57:44,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:57:44,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:57:44,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:57:44" (1/1) ... [2019-11-26 17:57:44,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:57:44, skipping insertion in model container [2019-11-26 17:57:44,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:57:44" (1/1) ... [2019-11-26 17:57:44,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:57:44,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:57:45,175 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:57:45,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@463472f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:57:45, skipping insertion in model container [2019-11-26 17:57:45,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:57:45,180 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:57:45,184 INFO L168 Benchmark]: Toolchain (without parser) took 381.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:57:45,194 INFO L168 Benchmark]: CDTParser took 0.23 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 17:57:45,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:57:45,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 368.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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: 249]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...