./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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_test17_2-2.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 997a9a1542245daddc995e1305672f611f291eda ............................................................................................................................. 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 -Xmx15G -Xms4m -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_test17_2-2.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 997a9a1542245daddc995e1305672f611f291eda ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:01:33,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:01:33,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:01:33,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:01:33,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:01:33,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:01:33,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:01:33,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:01:33,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:01:33,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:01:33,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:01:33,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:01:33,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:01:33,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:01:33,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:01:33,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:01:33,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:01:33,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:01:33,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:01:33,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:01:33,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:01:33,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:01:33,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:01:33,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:01:33,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:01:33,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:01:33,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:01:33,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:01:33,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:01:33,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:01:33,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:01:33,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:01:33,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:01:33,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:01:33,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:01:33,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:01:33,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:01:33,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:01:33,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:01:33,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:01:33,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:01:33,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:01:33,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:01:33,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:01:33,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:01:33,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:01:33,343 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:01:33,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:01:33,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:01:33,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:01:33,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:01:33,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:01:33,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:01:33,347 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:01:33,347 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:01:33,347 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:01:33,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:01:33,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:01:33,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:01:33,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:01:33,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:01:33,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:01:33,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:01:33,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:01:33,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:33,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:01:33,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:01:33,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:01:33,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:01:33,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:01:33,351 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 -> 997a9a1542245daddc995e1305672f611f291eda [2020-10-20 06:01:33,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:01:33,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:01:33,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:01:33,567 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:01:33,567 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:01:33,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-20 06:01:33,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abde5182a/7aea0d666e1c4de6b0a7b709e33d47a4/FLAG7fb876940 [2020-10-20 06:01:34,228 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:34,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-20 06:01:34,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abde5182a/7aea0d666e1c4de6b0a7b709e33d47a4/FLAG7fb876940 [2020-10-20 06:01:34,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abde5182a/7aea0d666e1c4de6b0a7b709e33d47a4 [2020-10-20 06:01:34,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:34,497 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:34,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:34,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:34,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:34,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:34" (1/1) ... [2020-10-20 06:01:34,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407df25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:34, skipping insertion in model container [2020-10-20 06:01:34,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:34" (1/1) ... [2020-10-20 06:01:34,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:34,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:35,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:35,176 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) [2020-10-20 06:01:35,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13f8dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:35, skipping insertion in model container [2020-10-20 06:01:35,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:35,177 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:01:35,179 INFO L168 Benchmark]: Toolchain (without parser) took 685.93 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 16.3 MB in the beginning and 21.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:35,180 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.1 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:35,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.79 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 15.4 MB in the beginning and 21.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:35,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.1 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 678.79 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 15.4 MB in the beginning and 21.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 06:01:36,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:01:36,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:01:36,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:01:36,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:01:36,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:01:36,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:01:36,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:01:36,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:01:36,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:01:36,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:01:36,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:01:36,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:01:36,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:01:36,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:01:36,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:01:36,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:01:36,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:01:37,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:01:37,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:01:37,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:01:37,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:01:37,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:01:37,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:01:37,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:01:37,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:01:37,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:01:37,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:01:37,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:01:37,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:01:37,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:01:37,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:01:37,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:01:37,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:01:37,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:01:37,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:01:37,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:01:37,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:01:37,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:01:37,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:01:37,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:01:37,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:01:37,067 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:01:37,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:01:37,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:01:37,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:01:37,069 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:01:37,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:01:37,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:01:37,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:01:37,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:01:37,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:01:37,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:01:37,071 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:01:37,071 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:01:37,071 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:01:37,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:01:37,072 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:01:37,072 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:01:37,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:01:37,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:01:37,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:01:37,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:01:37,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:01:37,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:01:37,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:01:37,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:37,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:01:37,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:01:37,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:01:37,075 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:01:37,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:01:37,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:01:37,076 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 -> 997a9a1542245daddc995e1305672f611f291eda [2020-10-20 06:01:37,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:01:37,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:01:37,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:01:37,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:01:37,312 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:01:37,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-20 06:01:37,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0311008e2/6046dc68d4ca473380bb447795921d2d/FLAG7b9ca1e97 [2020-10-20 06:01:37,861 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:37,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-20 06:01:37,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0311008e2/6046dc68d4ca473380bb447795921d2d/FLAG7b9ca1e97 [2020-10-20 06:01:38,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0311008e2/6046dc68d4ca473380bb447795921d2d [2020-10-20 06:01:38,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:38,178 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:38,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:38,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:38,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:38,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:38" (1/1) ... [2020-10-20 06:01:38,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcc723d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:38, skipping insertion in model container [2020-10-20 06:01:38,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:38" (1/1) ... [2020-10-20 06:01:38,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:38,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:38,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:38,815 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:01:38,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:38,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:38,919 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:01:38,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:39,069 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:01:39,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39 WrapperNode [2020-10-20 06:01:39,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:39,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:01:39,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:01:39,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:01:39,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2020-10-20 06:01:39,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:01:39,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:01:39,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:01:39,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:01:39,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (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 [2020-10-20 06:01:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:01:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:01:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:01:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:01:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:01:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:01:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:01:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:01:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:01:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:01:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:01:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:01:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:01:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:01:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:01:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:01:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:01:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:01:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:01:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:01:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:01:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:01:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:01:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:01:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:01:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:01:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:01:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:01:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:01:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:01:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:01:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:01:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2020-10-20 06:01:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2020-10-20 06:01:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:01:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:01:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:01:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:01:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:01:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:01:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:01:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:01:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:01:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:01:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:01:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:01:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:01:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:01:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:01:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:01:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:01:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:01:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:01:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:01:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:01:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:01:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:01:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:01:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:01:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:01:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:01:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:01:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:01:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:01:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:01:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:01:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:01:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:01:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:01:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:01:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:01:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:01:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:01:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:01:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:01:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:01:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:01:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:01:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:01:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:01:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:01:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:01:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:01:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:01:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:01:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:01:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:01:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:01:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:01:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:01:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:01:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:01:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:01:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:01:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:01:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:01:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:01:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:01:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:01:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:01:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:01:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:01:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:01:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:01:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:01:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:01:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:01:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:01:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:01:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:01:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:01:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:01:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:01:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:01:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:01:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:01:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:01:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:01:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:01:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:01:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:01:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:01:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:01:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:01:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:01:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:01:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:01:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:01:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:01:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:01:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:01:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:01:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:01:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:01:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:01:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:01:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:01:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:01:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:01:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:01:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:01:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:01:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:01:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:01:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:01:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:01:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:01:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:01:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:01:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:01:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:01:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:01:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:01:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2020-10-20 06:01:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2020-10-20 06:01:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:01:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:01:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:01:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:01:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:01:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:01:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:01:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:01:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:01:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:01:40,172 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:40,561 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:41,041 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:01:41,042 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:01:41,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:41 BoogieIcfgContainer [2020-10-20 06:01:41,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:01:41,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:01:41,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:01:41,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:01:41,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:01:38" (1/3) ... [2020-10-20 06:01:41,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea65993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:41, skipping insertion in model container [2020-10-20 06:01:41,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (2/3) ... [2020-10-20 06:01:41,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea65993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:41, skipping insertion in model container [2020-10-20 06:01:41,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:41" (3/3) ... [2020-10-20 06:01:41,055 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2020-10-20 06:01:41,069 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:01:41,077 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2020-10-20 06:01:41,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2020-10-20 06:01:41,117 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:01:41,118 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:01:41,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:01:41,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:01:41,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:01:41,118 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:01:41,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:01:41,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:01:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-20 06:01:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:01:41,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:41,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:41,151 INFO L429 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:41,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:41,157 INFO L82 PathProgramCache]: Analyzing trace with hash 138691825, now seen corresponding path program 1 times [2020-10-20 06:01:41,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:41,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696422682] [2020-10-20 06:01:41,171 INFO L95 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 [2020-10-20 06:01:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:41,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 06:01:41,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:41,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:41,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696422682] [2020-10-20 06:01:41,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:41,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:01:41,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980792825] [2020-10-20 06:01:41,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 06:01:41,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:41,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 06:01:41,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 06:01:41,483 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2020-10-20 06:01:41,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:41,507 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2020-10-20 06:01:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 06:01:41,509 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2020-10-20 06:01:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:41,519 INFO L225 Difference]: With dead ends: 84 [2020-10-20 06:01:41,519 INFO L226 Difference]: Without dead ends: 81 [2020-10-20 06:01:41,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 06:01:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-20 06:01:41,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-20 06:01:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-20 06:01:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2020-10-20 06:01:41,569 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 23 [2020-10-20 06:01:41,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:41,569 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2020-10-20 06:01:41,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 06:01:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-10-20 06:01:41,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:01:41,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:41,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:41,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:01:41,785 INFO L429 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:41,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:41,786 INFO L82 PathProgramCache]: Analyzing trace with hash -254335185, now seen corresponding path program 1 times [2020-10-20 06:01:41,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:41,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883644894] [2020-10-20 06:01:41,788 INFO L95 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 [2020-10-20 06:01:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:01:41,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:42,041 INFO L384 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 [2020-10-20 06:01:42,041 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:42,053 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:42,053 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:42,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:01:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:42,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:42,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883644894] [2020-10-20 06:01:42,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:42,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-20 06:01:42,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639623952] [2020-10-20 06:01:42,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:01:42,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:42,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:01:42,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:01:42,206 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 5 states. [2020-10-20 06:01:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:42,516 INFO L93 Difference]: Finished difference Result 91 states and 103 transitions. [2020-10-20 06:01:42,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:01:42,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 06:01:42,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:42,523 INFO L225 Difference]: With dead ends: 91 [2020-10-20 06:01:42,525 INFO L226 Difference]: Without dead ends: 91 [2020-10-20 06:01:42,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:01:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-20 06:01:42,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-20 06:01:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 06:01:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2020-10-20 06:01:42,557 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 23 [2020-10-20 06:01:42,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:42,558 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2020-10-20 06:01:42,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:01:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2020-10-20 06:01:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:01:42,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:42,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:42,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:01:42,775 INFO L429 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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:42,776 INFO L82 PathProgramCache]: Analyzing trace with hash -254335184, now seen corresponding path program 1 times [2020-10-20 06:01:42,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:42,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830288142] [2020-10-20 06:01:42,777 INFO L95 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 [2020-10-20 06:01:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:42,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-20 06:01:42,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:43,010 INFO L384 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 [2020-10-20 06:01:43,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:43,017 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:43,018 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:43,018 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:01:43,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830288142] [2020-10-20 06:01:43,169 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:43,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [947706014] [2020-10-20 06:01:43,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:01:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:43,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-20 06:01:43,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:43,621 INFO L384 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 [2020-10-20 06:01:43,622 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:43,628 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:43,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:43,629 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:01:43,634 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:43,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047876154] [2020-10-20 06:01:43,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:01:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:43,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-20 06:01:43,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:43,814 INFO L384 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 [2020-10-20 06:01:43,815 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:43,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:43,821 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:43,821 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:01:43,826 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:43,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:43,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:01:43,826 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:01:43,826 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:01:44,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:01:44,464 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:01:44,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:01:44 BoogieIcfgContainer [2020-10-20 06:01:44,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:01:44,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:01:44,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:01:44,465 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:01:44,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:41" (3/4) ... [2020-10-20 06:01:44,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:01:44,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:01:44,470 INFO L168 Benchmark]: Toolchain (without parser) took 6296.30 ms. Allocated memory was 37.2 MB in the beginning and 87.6 MB in the end (delta: 50.3 MB). Free memory was 17.3 MB in the beginning and 58.6 MB in the end (delta: -41.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:44,471 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 34.1 MB. Free memory was 10.7 MB in the beginning and 10.7 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:44,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 891.20 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 16.4 MB in the beginning and 20.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:44,472 INFO L168 Benchmark]: Boogie Preprocessor took 108.43 ms. Allocated memory is still 47.2 MB. Free memory was 20.6 MB in the beginning and 15.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:44,473 INFO L168 Benchmark]: RCFGBuilder took 1865.65 ms. Allocated memory was 47.2 MB in the beginning and 58.7 MB in the end (delta: 11.5 MB). Free memory was 15.0 MB in the beginning and 32.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:44,474 INFO L168 Benchmark]: TraceAbstraction took 3417.75 ms. Allocated memory was 58.7 MB in the beginning and 87.6 MB in the end (delta: 28.8 MB). Free memory was 31.5 MB in the beginning and 58.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:44,474 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 87.6 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:01:44,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 34.1 MB. Free memory was 10.7 MB in the beginning and 10.7 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 891.20 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 16.4 MB in the beginning and 20.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 108.43 ms. Allocated memory is still 47.2 MB. Free memory was 20.6 MB in the beginning and 15.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1865.65 ms. Allocated memory was 47.2 MB in the beginning and 58.7 MB in the end (delta: 11.5 MB). Free memory was 15.0 MB in the beginning and 32.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3417.75 ms. Allocated memory was 58.7 MB in the beginning and 87.6 MB in the end (delta: 28.8 MB). Free memory was 31.5 MB in the beginning and 58.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Witness Printer took 3.88 ms. Allocated memory is still 87.6 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 791]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L799] CALL entry_point() [L785] int i; [L786] CALL, EXPR ldv_positive() [L519] int r = __VERIFIER_nondet_int(); [L520] COND TRUE r>0 [L520] return r; [L786] RET, EXPR ldv_positive() [L786] int len = ldv_positive(); [L787] COND FALSE !(!(len<16777216)) [L788] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L788] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) [L788] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L789] COND TRUE \read(**array) [L790] i=0 [L790] COND TRUE i