./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_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 0.1.25-906a4fb [2020-10-19 18:08:40,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:08:40,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:08:40,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:08:40,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:08:40,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:08:40,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:08:40,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:08:40,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:08:40,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:08:40,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:08:40,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:08:40,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:08:40,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:08:40,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:08:40,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:08:40,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:08:40,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:08:40,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:08:40,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:08:40,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:08:40,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:08:40,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:08:40,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:08:40,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:08:40,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:08:40,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:08:40,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:08:40,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:08:40,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:08:40,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:08:40,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:08:40,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:08:40,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:08:40,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:08:40,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:08:40,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:08:40,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:08:40,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:08:40,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:08:40,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:08:40,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:08:40,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:08:40,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:08:40,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:08:40,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:08:40,186 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:08:40,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:08:40,186 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:08:40,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:08:40,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:08:40,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:08:40,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:08:40,188 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:08:40,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:08:40,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:08:40,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:08:40,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:08:40,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:08:40,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:08:40,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:08:40,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:08:40,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:08:40,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:08:40,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:40,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:08:40,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:08:40,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:08:40,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:08:40,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:08:40,195 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 [2020-10-19 18:08:40,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:08:40,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:08:40,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:08:40,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:08:40,534 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:08:40,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-19 18:08:40,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/527097e37/8a6230ea2d6a410e8027ebf9b014452c/FLAG8bdf5af83 [2020-10-19 18:08:41,179 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:08:41,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-19 18:08:41,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/527097e37/8a6230ea2d6a410e8027ebf9b014452c/FLAG8bdf5af83 [2020-10-19 18:08:41,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/527097e37/8a6230ea2d6a410e8027ebf9b014452c [2020-10-19 18:08:41,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:08:41,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:08:41,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:41,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:08:41,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:08:41,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:41" (1/1) ... [2020-10-19 18:08:41,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4bfa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:41, skipping insertion in model container [2020-10-19 18:08:41,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:41" (1/1) ... [2020-10-19 18:08:41,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:08:41,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:42,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:42,115 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) [2020-10-19 18:08:42,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cd21195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:42, skipping insertion in model container [2020-10-19 18:08:42,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:42,117 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:08:42,120 INFO L168 Benchmark]: Toolchain (without parser) took 691.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:42,121 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:42,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:42,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 682.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 18:08:43,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:08:43,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:08:43,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:08:43,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:08:43,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:08:43,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:08:43,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:08:43,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:08:43,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:08:43,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:08:43,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:08:43,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:08:43,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:08:43,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:08:43,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:08:43,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:08:43,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:08:43,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:08:43,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:08:43,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:08:43,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:08:43,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:08:43,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:08:43,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:08:43,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:08:43,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:08:43,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:08:43,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:08:43,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:08:43,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:08:43,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:08:43,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:08:44,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:08:44,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:08:44,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:08:44,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:08:44,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:08:44,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:08:44,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:08:44,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:08:44,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:08:44,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:08:44,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:08:44,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:08:44,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:08:44,029 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:08:44,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:08:44,030 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:08:44,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:08:44,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:08:44,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:08:44,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:08:44,031 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:08:44,032 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:08:44,032 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:08:44,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:08:44,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:08:44,033 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:08:44,033 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:08:44,033 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:08:44,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:08:44,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:08:44,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:08:44,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:08:44,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:08:44,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:44,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:08:44,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:08:44,036 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:08:44,036 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:08:44,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:08:44,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:08:44,037 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 [2020-10-19 18:08:44,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:08:44,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:08:44,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:08:44,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:08:44,351 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:08:44,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-19 18:08:44,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f690e6bdf/ddef8bc8aff441289c30295c2a99ab56/FLAGd0d2b25fd [2020-10-19 18:08:44,979 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:08:44,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2020-10-19 18:08:44,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f690e6bdf/ddef8bc8aff441289c30295c2a99ab56/FLAGd0d2b25fd [2020-10-19 18:08:45,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f690e6bdf/ddef8bc8aff441289c30295c2a99ab56 [2020-10-19 18:08:45,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:08:45,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:08:45,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:45,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:08:45,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:08:45,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:45" (1/1) ... [2020-10-19 18:08:45,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0651ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:45, skipping insertion in model container [2020-10-19 18:08:45,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:45" (1/1) ... [2020-10-19 18:08:45,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:08:45,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:45,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:45,892 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:08:45,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:45,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:46,012 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:08:46,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:46,240 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:08:46,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46 WrapperNode [2020-10-19 18:08:46,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:46,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:08:46,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:08:46,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:08:46,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:08:46,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:08:46,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:08:46,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:08:46,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (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 [2020-10-19 18:08:46,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:08:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:08:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:08:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:08:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:08:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:08:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:08:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:08:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:08:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:08:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:08:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:08:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:08:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:08:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:08:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:08:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:08:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:08:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:08:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:08:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:08:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:08:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:08:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:08:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:08:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:08:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:08:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:08:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:08:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:08:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:08:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:08:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:08:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:08:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:08:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:08:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2020-10-19 18:08:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2020-10-19 18:08:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:08:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:08:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:08:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:08:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:08:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:08:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:08:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:08:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:08:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:08:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:08:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:08:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:08:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:08:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:08:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:08:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:08:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:08:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:08:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:08:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:08:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:08:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:08:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:08:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:08:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:08:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:08:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:08:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:08:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:08:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:08:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:08:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:08:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:08:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:08:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:08:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:08:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:08:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:08:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:08:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:08:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:08:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:08:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:08:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:08:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:08:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:08:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:08:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:08:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:08:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:08:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:08:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:08:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:08:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:08:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:08:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:08:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:08:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:08:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:08:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:08:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:08:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:08:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:08:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:08:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:08:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:08:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:08:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:08:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:08:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:08:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:08:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:08:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:08:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:08:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:08:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:08:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:08:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:08:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:08:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:08:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:08:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:08:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:08:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:08:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:08:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:08:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:08:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:08:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:08:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:08:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:08:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:08:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:08:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:08:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:08:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:08:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:08:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:08:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:08:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:08:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:08:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:08:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:08:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:08:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:08:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:08:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:08:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:08:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:08:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:08:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:08:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:08:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:08:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:08:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:08:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:08:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:08:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:08:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2020-10-19 18:08:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2020-10-19 18:08:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:08:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:08:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:08:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:08:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:08:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:08:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:08:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:08:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:08:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:08:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:08:47,078 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:08:47,445 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:08:47,931 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:08:47,931 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-19 18:08:47,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:47 BoogieIcfgContainer [2020-10-19 18:08:47,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:08:47,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:08:47,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:08:47,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:08:47,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:08:45" (1/3) ... [2020-10-19 18:08:47,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b00f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:08:47, skipping insertion in model container [2020-10-19 18:08:47,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46" (2/3) ... [2020-10-19 18:08:47,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b00f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:08:47, skipping insertion in model container [2020-10-19 18:08:47,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:47" (3/3) ... [2020-10-19 18:08:47,944 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2020-10-19 18:08:47,956 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:08:47,965 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2020-10-19 18:08:47,980 INFO L253 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2020-10-19 18:08:48,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:08:48,005 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:08:48,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:08:48,006 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:08:48,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:08:48,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:08:48,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:08:48,007 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:08:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-19 18:08:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:08:48,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:48,046 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] [2020-10-19 18:08:48,048 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]=== [2020-10-19 18:08:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:48,057 INFO L82 PathProgramCache]: Analyzing trace with hash 138691825, now seen corresponding path program 1 times [2020-10-19 18:08:48,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:48,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973668323] [2020-10-19 18:08:48,076 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 [2020-10-19 18:08:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:48,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-19 18:08:48,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:48,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:48,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973668323] [2020-10-19 18:08:48,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:48,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:08:48,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068424432] [2020-10-19 18:08:48,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-19 18:08:48,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:48,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 18:08:48,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 18:08:48,421 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2020-10-19 18:08:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:48,442 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2020-10-19 18:08:48,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 18:08:48,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2020-10-19 18:08:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:48,454 INFO L225 Difference]: With dead ends: 84 [2020-10-19 18:08:48,454 INFO L226 Difference]: Without dead ends: 81 [2020-10-19 18:08:48,456 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 [2020-10-19 18:08:48,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-19 18:08:48,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-19 18:08:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-19 18:08:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2020-10-19 18:08:48,508 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 23 [2020-10-19 18:08:48,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:48,508 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2020-10-19 18:08:48,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-19 18:08:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-10-19 18:08:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:08:48,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:48,511 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] [2020-10-19 18:08:48,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:08:48,724 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]=== [2020-10-19 18:08:48,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:48,724 INFO L82 PathProgramCache]: Analyzing trace with hash -254335185, now seen corresponding path program 1 times [2020-10-19 18:08:48,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:48,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741258844] [2020-10-19 18:08:48,726 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 [2020-10-19 18:08:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:08:48,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:48,987 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 [2020-10-19 18:08:48,990 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:48,994 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:48,994 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:48,995 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:08:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:49,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:49,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741258844] [2020-10-19 18:08:49,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:49,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:08:49,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895624638] [2020-10-19 18:08:49,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:08:49,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:49,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:08:49,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:08:49,111 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 5 states. [2020-10-19 18:08:49,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:49,362 INFO L93 Difference]: Finished difference Result 91 states and 103 transitions. [2020-10-19 18:08:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:08:49,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-19 18:08:49,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:49,367 INFO L225 Difference]: With dead ends: 91 [2020-10-19 18:08:49,367 INFO L226 Difference]: Without dead ends: 91 [2020-10-19 18:08:49,368 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 [2020-10-19 18:08:49,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-19 18:08:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-19 18:08:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-19 18:08:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2020-10-19 18:08:49,384 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 23 [2020-10-19 18:08:49,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:49,385 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2020-10-19 18:08:49,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:08:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2020-10-19 18:08:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:08:49,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:49,386 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] [2020-10-19 18:08:49,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:08:49,594 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]=== [2020-10-19 18:08:49,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:49,595 INFO L82 PathProgramCache]: Analyzing trace with hash -254335184, now seen corresponding path program 1 times [2020-10-19 18:08:49,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:49,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168448849] [2020-10-19 18:08:49,597 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 [2020-10-19 18:08:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:49,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-19 18:08:49,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:49,837 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 [2020-10-19 18:08:49,838 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:49,844 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:49,844 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:49,845 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:08:49,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168448849] [2020-10-19 18:08:49,973 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:08:49,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [140870056] [2020-10-19 18:08:49,974 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 [2020-10-19 18:08:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:50,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-19 18:08:50,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:50,268 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 [2020-10-19 18:08:50,269 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:50,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:50,276 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:50,276 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:08:50,281 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:08:50,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618562487] [2020-10-19 18:08:50,282 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 [2020-10-19 18:08:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:50,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-19 18:08:50,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:50,493 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 [2020-10-19 18:08:50,494 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:50,500 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:50,500 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:50,501 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:08:50,504 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:08:50,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:50,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 18:08:50,505 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 18:08:50,505 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:08:51,125 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 [2020-10-19 18:08:51,138 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 18:08:51,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:08:51 BoogieIcfgContainer [2020-10-19 18:08:51,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:08:51,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:08:51,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:08:51,139 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:08:51,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:47" (3/4) ... [2020-10-19 18:08:51,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:08:51,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:08:51,145 INFO L168 Benchmark]: Toolchain (without parser) took 5892.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -97.4 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:51,148 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:51,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 979.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:51,151 INFO L168 Benchmark]: Boogie Preprocessor took 146.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:51,151 INFO L168 Benchmark]: RCFGBuilder took 1546.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.1 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:51,152 INFO L168 Benchmark]: TraceAbstraction took 3202.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -101.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:51,153 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:51,156 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 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 979.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 146.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1546.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.1 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3202.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -101.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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