./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.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_1-1.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 9de0b0c743a2720b24a0366af33371eca52f31f7 ............................................................................................................................. 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_1-1.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 9de0b0c743a2720b24a0366af33371eca52f31f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:01:20,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:01:20,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:01:20,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:01:20,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:01:20,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:01:20,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:01:20,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:01:20,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:01:20,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:01:20,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:01:20,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:01:20,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:01:20,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:01:20,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:01:20,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:01:20,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:01:20,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:01:20,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:01:20,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:01:20,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:01:20,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:01:20,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:01:20,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:01:20,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:01:20,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:01:20,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:01:20,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:01:20,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:01:20,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:01:20,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:01:20,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:01:20,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:01:20,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:01:20,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:01:20,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:01:20,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:01:20,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:01:20,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:01:20,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:01:20,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:01:20,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:01:20,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:01:20,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:01:20,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:01:20,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:01:20,261 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:01:20,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:01:20,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:01:20,262 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:01:20,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:01:20,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:01:20,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:01:20,264 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:01:20,264 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:01:20,264 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:01:20,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:01:20,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:01:20,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:01:20,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:01:20,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:01:20,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:01:20,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:01:20,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:01:20,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:20,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:01:20,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:01:20,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:01:20,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:01:20,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:01:20,269 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 -> 9de0b0c743a2720b24a0366af33371eca52f31f7 [2020-10-20 06:01:20,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:01:20,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:01:20,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:01:20,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:01:20,490 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:01:20,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2020-10-20 06:01:20,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360695db/425266bc5504474fba042c3a3bc45567/FLAG99744aecd [2020-10-20 06:01:21,219 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:21,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2020-10-20 06:01:21,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360695db/425266bc5504474fba042c3a3bc45567/FLAG99744aecd [2020-10-20 06:01:21,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360695db/425266bc5504474fba042c3a3bc45567 [2020-10-20 06:01:21,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:21,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:21,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:21,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:21,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:21,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:21" (1/1) ... [2020-10-20 06:01:21,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9e915a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:21, skipping insertion in model container [2020-10-20 06:01:21,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:21" (1/1) ... [2020-10-20 06:01:21,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:21,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:21,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:22,011 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 06:01:22,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a270d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:22, skipping insertion in model container [2020-10-20 06:01:22,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:22,012 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:01:22,015 INFO L168 Benchmark]: Toolchain (without parser) took 571.85 ms. Allocated memory is still 43.0 MB. Free memory was 19.1 MB in the beginning and 13.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:22,016 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 30.9 MB. Free memory was 8.0 MB in the beginning and 8.0 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:22,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.55 ms. Allocated memory is still 43.0 MB. Free memory was 18.3 MB in the beginning and 13.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:22,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 30.9 MB. Free memory was 8.0 MB in the beginning and 8.0 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 564.55 ms. Allocated memory is still 43.0 MB. Free memory was 18.3 MB in the beginning and 13.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 8.3 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 06:01:23,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:01:23,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:01:23,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:01:23,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:01:23,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:01:24,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:01:24,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:01:24,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:01:24,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:01:24,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:01:24,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:01:24,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:01:24,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:01:24,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:01:24,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:01:24,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:01:24,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:01:24,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:01:24,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:01:24,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:01:24,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:01:24,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:01:24,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:01:24,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:01:24,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:01:24,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:01:24,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:01:24,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:01:24,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:01:24,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:01:24,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:01:24,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:01:24,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:01:24,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:01:24,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:01:24,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:01:24,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:01:24,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:01:24,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:01:24,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:01:24,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:01:24,073 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:01:24,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:01:24,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:01:24,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:01:24,075 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:01:24,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:01:24,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:01:24,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:01:24,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:01:24,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:01:24,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:01:24,077 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:01:24,077 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:01:24,077 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:01:24,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:01:24,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:01:24,078 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:01:24,078 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:01:24,078 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:01:24,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:01:24,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:01:24,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:01:24,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:01:24,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:01:24,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:24,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:01:24,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:01:24,081 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:01:24,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:01:24,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:01:24,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:01:24,082 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 -> 9de0b0c743a2720b24a0366af33371eca52f31f7 [2020-10-20 06:01:24,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:01:24,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:01:24,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:01:24,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:01:24,303 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:01:24,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2020-10-20 06:01:24,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9a40de5/472b296dca22454f92053a8ce24cd27a/FLAG3299630e7 [2020-10-20 06:01:24,946 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:24,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2020-10-20 06:01:24,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9a40de5/472b296dca22454f92053a8ce24cd27a/FLAG3299630e7 [2020-10-20 06:01:25,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9a40de5/472b296dca22454f92053a8ce24cd27a [2020-10-20 06:01:25,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:25,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:25,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:25,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:25,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:25,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:25" (1/1) ... [2020-10-20 06:01:25,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9e915a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:25, skipping insertion in model container [2020-10-20 06:01:25,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:25" (1/1) ... [2020-10-20 06:01:25,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:25,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:25,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:25,752 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:01:25,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:25,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:25,884 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:01:25,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:26,047 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:01:26,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26 WrapperNode [2020-10-20 06:01:26,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:26,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:01:26,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:01:26,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:01:26,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (1/1) ... [2020-10-20 06:01:26,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:01:26,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:01:26,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:01:26,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:01:26,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (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 06:01:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:01:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:01:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:01:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:01:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:01:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:01:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:01:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:01:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:01:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:01:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:01:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:01:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:01:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:01:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:01:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:01:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:01:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:01:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:01:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:01:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:01:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:01:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:01:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:01:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:01:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:01:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:01:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:01:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:01:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:01:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:01:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:01:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:01:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:01:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:01:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:01:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:01:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:01:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:01:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:01:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:01:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:01:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:01:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:01:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:01:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:01:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:01:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:01:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:01:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:01:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:01:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:01:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:01:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:01:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:01:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:01:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:01:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:01:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:01:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:01:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:01:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:01:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:01:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:01:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:01:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:01:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:01:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:01:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:01:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:01:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:01:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:01:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:01:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:01:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:01:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:01:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:01:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:01:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:01:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:01:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:01:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:01:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:01:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:01:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:01:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:01:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:01:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:01:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:01:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:01:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:01:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:01:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:01:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:01:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:01:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:01:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:01:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:01:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:01:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:01:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:01:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:01:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:01:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:01:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:01:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:01:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:01:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:01:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:01:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:01:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:01:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:01:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:01:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:01:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:01:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:01:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:01:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:01:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:01:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:01:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:01:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:01:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:01:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:01:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:01:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:01:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:01:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:01:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:01:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:01:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:01:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:01:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:01:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:01:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:01:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:01:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:01:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:01:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:01:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:01:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:01:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:01:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:01:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:01:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:01:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:01:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:01:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:01:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:01:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:01:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:01:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:01:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:01:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:01:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:01:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:01:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:01:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:01:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:01:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:01:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:01:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2020-10-20 06:01:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2020-10-20 06:01:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:01:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:01:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:01:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:01:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:01:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:01:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:01:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:01:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:01:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:01:26,922 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:27,270 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:27,809 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:01:27,810 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:01:27,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:27 BoogieIcfgContainer [2020-10-20 06:01:27,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:01:27,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:01:27,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:01:27,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:01:27,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:01:25" (1/3) ... [2020-10-20 06:01:27,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3595caa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:27, skipping insertion in model container [2020-10-20 06:01:27,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:26" (2/3) ... [2020-10-20 06:01:27,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3595caa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:27, skipping insertion in model container [2020-10-20 06:01:27,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:27" (3/3) ... [2020-10-20 06:01:27,826 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-1.i [2020-10-20 06:01:27,838 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:01:27,847 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2020-10-20 06:01:27,865 INFO L253 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2020-10-20 06:01:27,892 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:01:27,893 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:01:27,893 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:01:27,893 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:01:27,894 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:01:27,894 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:01:27,894 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:01:27,895 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:01:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-20 06:01:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 06:01:27,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:27,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:27,940 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:27,947 INFO L82 PathProgramCache]: Analyzing trace with hash -200276895, now seen corresponding path program 1 times [2020-10-20 06:01:27,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:27,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152360991] [2020-10-20 06:01:27,967 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 06:01:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:28,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:01:28,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:28,289 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 06:01:28,289 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:28,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:28,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:28,299 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:01:28,398 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 06:01:28,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:28,655 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2020-10-20 06:01:29,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152360991] [2020-10-20 06:01:29,243 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:29,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1331409778] [2020-10-20 06:01:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:01:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:29,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:01:29,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:29,569 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:29,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324771638] [2020-10-20 06:01:29,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:01:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:29,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:01:29,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:29,869 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 06:01:29,869 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:29,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:29,877 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:29,877 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:01:29,883 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 06:01:29,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:30,103 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:30,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:30,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:01:30,104 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:01:30,105 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:01:30,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk,2 mathsat -unsat_core_generation=3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:01:30,729 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:01:30,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:01:30 BoogieIcfgContainer [2020-10-20 06:01:30,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:01:30,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:01:30,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:01:30,730 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:01:30,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:27" (3/4) ... [2020-10-20 06:01:30,735 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:01:30,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:01:30,737 INFO L168 Benchmark]: Toolchain (without parser) took 5554.96 ms. Allocated memory was 34.6 MB in the beginning and 79.2 MB in the end (delta: 44.6 MB). Free memory was 14.8 MB in the beginning and 38.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,738 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 33.6 MB. Free memory was 10.6 MB in the beginning and 10.6 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.39 ms. Allocated memory was 34.6 MB in the beginning and 45.1 MB in the end (delta: 10.5 MB). Free memory was 13.9 MB in the beginning and 18.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,740 INFO L168 Benchmark]: Boogie Preprocessor took 119.60 ms. Allocated memory is still 45.1 MB. Free memory was 17.7 MB in the beginning and 12.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,741 INFO L168 Benchmark]: RCFGBuilder took 1640.29 ms. Allocated memory was 45.1 MB in the beginning and 56.6 MB in the end (delta: 11.5 MB). Free memory was 12.3 MB in the beginning and 23.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,742 INFO L168 Benchmark]: TraceAbstraction took 2913.94 ms. Allocated memory was 56.6 MB in the beginning and 79.2 MB in the end (delta: 22.5 MB). Free memory was 22.5 MB in the beginning and 39.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,742 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 79.2 MB. Free memory was 39.1 MB in the beginning and 38.4 MB in the end (delta: 674.5 kB). Peak memory consumption was 674.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:30,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 33.6 MB. Free memory was 10.6 MB in the beginning and 10.6 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 862.39 ms. Allocated memory was 34.6 MB in the beginning and 45.1 MB in the end (delta: 10.5 MB). Free memory was 13.9 MB in the beginning and 18.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 119.60 ms. Allocated memory is still 45.1 MB. Free memory was 17.7 MB in the beginning and 12.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1640.29 ms. Allocated memory was 45.1 MB in the beginning and 56.6 MB in the end (delta: 11.5 MB). Free memory was 12.3 MB in the beginning and 23.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2913.94 ms. Allocated memory was 56.6 MB in the beginning and 79.2 MB in the end (delta: 22.5 MB). Free memory was 22.5 MB in the beginning and 39.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. * Witness Printer took 5.47 ms. Allocated memory is still 79.2 MB. Free memory was 39.1 MB in the beginning and 38.4 MB in the end (delta: 674.5 kB). Peak memory consumption was 674.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 789]: 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) }; [L795] CALL entry_point() [L784] int i; [L785] int len = 10; [L786] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L786] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) [L786] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L787] COND FALSE !(!array) [L788] i=0 [L788] COND TRUE i