./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab 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/ldv-memsafety/memleaks_test1-2.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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ............................................................................................................................ 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/ldv-memsafety/memleaks_test1-2.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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:37:53,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:53,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:53,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:53,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:53,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:53,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:53,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:53,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:53,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:53,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:53,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:53,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:53,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:53,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:53,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:53,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:53,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:53,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:53,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:53,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:53,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:53,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:53,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:53,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:53,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:53,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:53,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:53,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:53,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:53,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:53,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:53,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:53,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:53,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:53,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:53,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:53,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:53,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:53,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:53,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:53,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:37:53,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:53,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:53,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:53,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:53,457 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:53,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:53,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:53,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:53,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:53,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:53,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:53,460 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:53,460 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:53,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:53,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:53,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:53,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:53,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:53,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:53,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:53,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:53,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:53,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:53,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:53,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:53,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:37:53,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:37:53,465 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2019-11-28 02:37:53,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:53,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:53,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:53,808 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:53,808 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:53,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 02:37:53,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043cee22d/54445847000a4b2f84ad131809d7ac8d/FLAG0849bfd93 [2019-11-28 02:37:54,452 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:54,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 02:37:54,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043cee22d/54445847000a4b2f84ad131809d7ac8d/FLAG0849bfd93 [2019-11-28 02:37:54,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043cee22d/54445847000a4b2f84ad131809d7ac8d [2019-11-28 02:37:54,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:54,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:54,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:54,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:54,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:54,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:54" (1/1) ... [2019-11-28 02:37:54,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4672cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:54, skipping insertion in model container [2019-11-28 02:37:54,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:54" (1/1) ... [2019-11-28 02:37:54,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:54,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:55,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:55,289 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:37:55,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a186598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:55, skipping insertion in model container [2019-11-28 02:37:55,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:55,291 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:37:55,295 INFO L168 Benchmark]: Toolchain (without parser) took 553.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:55,296 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:55,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:55,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 550.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:37:57,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:57,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:57,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:57,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:57,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:57,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:57,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:57,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:57,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:57,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:57,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:57,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:57,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:57,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:57,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:57,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:57,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:57,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:57,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:57,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:57,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:57,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:57,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:57,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:57,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:57,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:57,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:57,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:57,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:57,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:57,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:57,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:57,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:57,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:57,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:57,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:57,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:57,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:57,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:57,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:57,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:37:57,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:57,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:57,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:57,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:57,292 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:57,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:57,292 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:57,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:57,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:57,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:57,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:57,294 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:57,294 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:57,294 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:57,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:57,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:57,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:37:57,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:37:57,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:57,296 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:57,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:57,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:57,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:57,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:57,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:57,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:57,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:57,298 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:37:57,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:37:57,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:37:57,299 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2019-11-28 02:37:57,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:57,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:57,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:57,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:57,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:57,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 02:37:57,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80c8b852f/bbaab1cee1de4daf9bfe82bc2e49f902/FLAGd37a006f0 [2019-11-28 02:37:58,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:58,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 02:37:58,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80c8b852f/bbaab1cee1de4daf9bfe82bc2e49f902/FLAGd37a006f0 [2019-11-28 02:37:58,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80c8b852f/bbaab1cee1de4daf9bfe82bc2e49f902 [2019-11-28 02:37:58,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:58,571 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:58,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:58,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:58,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:58,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:58" (1/1) ... [2019-11-28 02:37:58,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf693b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:58, skipping insertion in model container [2019-11-28 02:37:58,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:58" (1/1) ... [2019-11-28 02:37:58,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:58,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:59,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:59,129 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:37:59,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:59,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:59,228 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:37:59,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:59,401 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:37:59,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59 WrapperNode [2019-11-28 02:37:59,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:59,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:37:59,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:37:59,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:37:59,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... [2019-11-28 02:37:59,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:37:59,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:37:59,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:37:59,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:37:59,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:37:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:37:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:37:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:37:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:37:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:37:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:37:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:37:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:37:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:37:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:37:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:37:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:37:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:37:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:37:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:37:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:37:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:37:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:37:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:37:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:37:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:37:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:37:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:37:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:37:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:37:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:37:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:37:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:37:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:37:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:37:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:37:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:37:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:37:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:37:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:37:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:37:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:37:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:37:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:37:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:37:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:37:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:37:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:37:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:37:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:37:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:37:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:37:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:37:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:37:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:37:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:37:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:37:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:37:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:37:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:37:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:37:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:37:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:37:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:37:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:37:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:37:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:37:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:37:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:37:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:37:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:37:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:37:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:37:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:37:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:37:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:37:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:37:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:37:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:37:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:37:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:37:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:37:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:37:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:37:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:37:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:37:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:37:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:37:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:37:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:37:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:37:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:37:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:37:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:37:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:37:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:37:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:37:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:37:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:37:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:37:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:37:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:37:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:37:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:37:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:37:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:37:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:37:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:37:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:37:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:37:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:37:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:37:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:37:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:37:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:37:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:37:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:37:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:37:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:37:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:37:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:37:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:37:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:37:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:37:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:37:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:37:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:37:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:37:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:37:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:37:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:37:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:37:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:37:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:37:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:37:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:37:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:37:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:37:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:37:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:37:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:37:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:37:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:37:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:37:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:37:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:37:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:37:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:37:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:37:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:37:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:37:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:37:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:37:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:37:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:37:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:37:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:37:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:37:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:37:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:37:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:37:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:37:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:37:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:37:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:37:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:37:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:37:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:37:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:37:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:37:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:37:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:37:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:37:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:37:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:37:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:37:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:37:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:37:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:37:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:37:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:37:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:37:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:37:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:37:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:37:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:37:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:37:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:37:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:37:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:37:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:37:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:37:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:37:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:37:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:37:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:37:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:37:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:37:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:37:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:37:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:37:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:37:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:37:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:37:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:37:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:37:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:37:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:37:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:37:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:37:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:37:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:37:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:37:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:37:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:37:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:38:00,502 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:38:00,888 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:38:01,227 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:38:01,227 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:38:01,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:01 BoogieIcfgContainer [2019-11-28 02:38:01,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:38:01,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:38:01,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:38:01,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:38:01,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:37:58" (1/3) ... [2019-11-28 02:38:01,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ee45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:01, skipping insertion in model container [2019-11-28 02:38:01,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:59" (2/3) ... [2019-11-28 02:38:01,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ee45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:01, skipping insertion in model container [2019-11-28 02:38:01,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:01" (3/3) ... [2019-11-28 02:38:01,240 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2019-11-28 02:38:01,250 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:38:01,260 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-11-28 02:38:01,274 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-11-28 02:38:01,294 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:38:01,294 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:38:01,294 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:38:01,294 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:38:01,294 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:38:01,294 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:38:01,294 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:38:01,295 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:38:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2019-11-28 02:38:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:38:01,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:38:01,324 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:38:01,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:38:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:38:01,330 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2019-11-28 02:38:01,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:38:01,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173688312] [2019-11-28 02:38:01,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:38:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:38:01,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:38:01,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:38:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:01,640 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:38:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:01,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173688312] [2019-11-28 02:38:01,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:38:01,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:38:01,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039558609] [2019-11-28 02:38:01,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:38:01,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:38:01,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:38:01,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:38:01,750 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 5 states. [2019-11-28 02:38:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:38:01,802 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-11-28 02:38:01,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:38:01,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 02:38:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:38:01,826 INFO L225 Difference]: With dead ends: 29 [2019-11-28 02:38:01,826 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 02:38:01,830 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:38:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 02:38:01,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 02:38:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 02:38:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-28 02:38:01,873 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2019-11-28 02:38:01,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:38:01,874 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-28 02:38:01,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:38:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-28 02:38:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 02:38:01,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:38:01,876 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:38:02,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:38:02,095 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:38:02,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:38:02,096 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2019-11-28 02:38:02,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:38:02,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363690872] [2019-11-28 02:38:02,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:38:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:38:02,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:38:02,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:38:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:02,320 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:38:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:02,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363690872] [2019-11-28 02:38:02,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:38:02,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-28 02:38:02,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380231759] [2019-11-28 02:38:02,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:38:02,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:38:02,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:38:02,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:38:02,429 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2019-11-28 02:38:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:38:02,635 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-28 02:38:02,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:38:02,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-28 02:38:02,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:38:02,648 INFO L225 Difference]: With dead ends: 35 [2019-11-28 02:38:02,648 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 02:38:02,650 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:38:02,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 02:38:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2019-11-28 02:38:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 02:38:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-11-28 02:38:02,662 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2019-11-28 02:38:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:38:02,663 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-11-28 02:38:02,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:38:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-11-28 02:38:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:38:02,665 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:38:02,666 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:38:02,878 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:38:02,879 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:38:02,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:38:02,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2019-11-28 02:38:02,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:38:02,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16066742] [2019-11-28 02:38:02,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:38:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:38:03,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:38:03,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:38:03,110 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:38:03,111 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:38:03,118 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:38:03,119 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:38:03,119 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:38:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:03,145 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:38:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:03,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16066742] [2019-11-28 02:38:03,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:38:03,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:38:03,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793269827] [2019-11-28 02:38:03,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:38:03,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:38:03,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:38:03,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:38:03,195 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2019-11-28 02:38:03,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:38:03,257 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-11-28 02:38:03,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:38:03,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 02:38:03,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:38:03,259 INFO L225 Difference]: With dead ends: 30 [2019-11-28 02:38:03,259 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 02:38:03,260 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:38:03,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 02:38:03,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 02:38:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 02:38:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-11-28 02:38:03,266 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2019-11-28 02:38:03,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:38:03,267 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-11-28 02:38:03,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:38:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-11-28 02:38:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:38:03,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:38:03,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:38:03,468 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:38:03,470 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:38:03,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:38:03,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2019-11-28 02:38:03,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:38:03,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923204238] [2019-11-28 02:38:03,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:38:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:38:03,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:38:03,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:38:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:03,624 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:38:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:38:03,646 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923204238] [2019-11-28 02:38:03,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:38:03,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:38:03,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929768816] [2019-11-28 02:38:03,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:38:03,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:38:03,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:38:03,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:38:03,650 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 5 states. [2019-11-28 02:38:03,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:38:03,699 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-11-28 02:38:03,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:38:03,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 02:38:03,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:38:03,703 INFO L225 Difference]: With dead ends: 34 [2019-11-28 02:38:03,703 INFO L226 Difference]: Without dead ends: 34 [2019-11-28 02:38:03,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:38:03,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-28 02:38:03,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2019-11-28 02:38:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-28 02:38:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2019-11-28 02:38:03,715 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2019-11-28 02:38:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:38:03,715 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2019-11-28 02:38:03,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:38:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2019-11-28 02:38:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:38:03,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:38:03,716 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:38:03,928 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:38:03,929 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:38:03,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:38:03,929 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2019-11-28 02:38:03,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:38:03,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163754644] [2019-11-28 02:38:03,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 02:38:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:38:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:38:04,097 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 02:38:04,097 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:38:04,298 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:38:04,319 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 02:38:04,320 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 02:38:04,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:38:04 BoogieIcfgContainer [2019-11-28 02:38:04,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:38:04,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:38:04,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:38:04,336 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:38:04,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:01" (3/4) ... [2019-11-28 02:38:04,339 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:38:04,351 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 02:38:04,352 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 02:38:04,410 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:38:04,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:38:04,414 INFO L168 Benchmark]: Toolchain (without parser) took 5842.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:38:04,414 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:38:04,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:38:04,417 INFO L168 Benchmark]: Boogie Preprocessor took 110.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:38:04,422 INFO L168 Benchmark]: RCFGBuilder took 1715.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:38:04,423 INFO L168 Benchmark]: TraceAbstraction took 3103.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 983.9 MB in the beginning and 1.1 GB in the end (delta: -98.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:38:04,424 INFO L168 Benchmark]: Witness Printer took 75.08 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:38:04,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 831.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1715.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3103.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 983.9 MB in the beginning and 1.1 GB in the end (delta: -98.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 75.08 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Result: UNSAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 224 SDs, 0 SdLazy, 152 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3713 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...