./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8443f02e84c43442a8563176ea0a68cc82ac31 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca8443f02e84c43442a8563176ea0a68cc82ac31 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:04:24,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:04:24,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:04:24,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:04:24,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:04:24,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:04:24,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:04:24,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:04:24,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:04:24,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:04:24,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:04:24,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:04:24,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:04:24,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:04:24,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:04:24,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:04:24,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:04:24,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:04:24,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:04:24,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:04:24,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:04:24,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:04:24,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:04:24,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:04:24,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:04:24,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:04:24,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:04:24,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:04:24,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:04:24,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:04:24,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:04:24,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:04:24,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:04:24,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:04:24,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:04:24,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:04:24,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:04:24,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:04:24,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:04:24,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:04:24,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:04:24,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 18:04:24,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:04:24,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:04:24,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:04:24,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:04:24,209 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:04:24,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:04:24,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:04:24,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:04:24,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:04:24,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:04:24,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:04:24,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:04:24,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:04:24,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:04:24,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:04:24,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:04:24,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:04:24,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:04:24,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:04:24,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:04:24,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:04:24,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:04:24,212 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2019-12-07 18:04:24,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:04:24,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:04:24,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:04:24,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:04:24,326 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:04:24,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-12-07 18:04:24,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/bf5967ade/79d78ed3d6c34f659719e6798ea2358d/FLAGc6a873f0a [2019-12-07 18:04:24,824 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:04:24,825 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-12-07 18:04:24,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/bf5967ade/79d78ed3d6c34f659719e6798ea2358d/FLAGc6a873f0a [2019-12-07 18:04:24,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/bf5967ade/79d78ed3d6c34f659719e6798ea2358d [2019-12-07 18:04:24,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:04:24,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:04:24,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:04:24,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:04:24,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:04:24,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:04:24" (1/1) ... [2019-12-07 18:04:24,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39849171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:24, skipping insertion in model container [2019-12-07 18:04:24,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:04:24" (1/1) ... [2019-12-07 18:04:24,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:04:24,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:04:25,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:04:25,160 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 18:04:25,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63f00cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:25, skipping insertion in model container [2019-12-07 18:04:25,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:04:25,160 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 18:04:25,162 INFO L168 Benchmark]: Toolchain (without parser) took 314.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:25,163 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:25,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:25,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 18.3 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-f470102 [2019-12-07 18:04:26,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:04:26,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:04:26,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:04:26,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:04:26,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:04:26,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:04:26,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:04:26,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:04:26,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:04:26,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:04:26,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:04:26,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:04:26,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:04:26,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:04:26,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:04:26,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:04:26,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:04:26,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:04:26,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:04:26,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:04:26,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:04:26,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:04:26,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:04:26,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:04:26,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:04:26,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:04:26,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:04:26,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:04:26,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:04:26,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:04:26,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:04:26,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:04:26,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:04:26,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:04:26,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:04:26,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:04:26,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:04:26,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:04:26,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:04:26,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:04:26,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 18:04:26,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:04:26,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:04:26,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:04:26,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:04:26,354 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:04:26,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:04:26,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:04:26,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:04:26,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:04:26,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:04:26,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:04:26,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:04:26,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:04:26,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:04:26,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:04:26,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:04:26,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:04:26,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:04:26,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:04:26,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:04:26,357 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:04:26,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:04:26,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:04:26,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:04:26,357 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2019-12-07 18:04:26,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:04:26,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:04:26,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:04:26,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:04:26,534 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:04:26,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-12-07 18:04:26,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/9558cc3c5/d9c0e54df0334ddd8e342668ac54c2e6/FLAGca9c9e78f [2019-12-07 18:04:27,033 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:04:27,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-12-07 18:04:27,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/9558cc3c5/d9c0e54df0334ddd8e342668ac54c2e6/FLAGca9c9e78f [2019-12-07 18:04:27,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/data/9558cc3c5/d9c0e54df0334ddd8e342668ac54c2e6 [2019-12-07 18:04:27,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:04:27,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:04:27,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:04:27,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:04:27,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:04:27,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5dd555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27, skipping insertion in model container [2019-12-07 18:04:27,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:04:27,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:04:27,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:04:27,361 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 18:04:27,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:04:27,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:04:27,415 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:04:27,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:04:27,502 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:04:27,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27 WrapperNode [2019-12-07 18:04:27,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:04:27,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:04:27,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:04:27,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:04:27,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... [2019-12-07 18:04:27,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:04:27,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:04:27,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:04:27,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:04:27,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:04:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 18:04:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 18:04:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-12-07 18:04:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-12-07 18:04:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-12-07 18:04:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 18:04:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 18:04:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-12-07 18:04:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 18:04:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 18:04:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 18:04:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 18:04:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 18:04:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 18:04:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 18:04:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 18:04:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 18:04:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 18:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 18:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 18:04:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 18:04:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 18:04:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 18:04:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 18:04:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:04:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 18:04:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-12-07 18:04:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 18:04:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:04:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 18:04:27,989 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:04:28,224 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:04:28,444 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:04:28,445 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 18:04:28,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:04:28 BoogieIcfgContainer [2019-12-07 18:04:28,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:04:28,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:04:28,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:04:28,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:04:28,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:04:27" (1/3) ... [2019-12-07 18:04:28,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5630ce39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:04:28, skipping insertion in model container [2019-12-07 18:04:28,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:04:27" (2/3) ... [2019-12-07 18:04:28,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5630ce39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:04:28, skipping insertion in model container [2019-12-07 18:04:28,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:04:28" (3/3) ... [2019-12-07 18:04:28,453 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2019-12-07 18:04:28,459 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:04:28,465 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-12-07 18:04:28,472 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-12-07 18:04:28,485 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:04:28,485 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 18:04:28,485 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:04:28,485 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:04:28,485 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:04:28,485 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:04:28,485 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:04:28,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:04:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2019-12-07 18:04:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:04:28,504 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:28,504 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:04:28,505 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:04:28,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:28,510 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2019-12-07 18:04:28,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:28,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279500665] [2019-12-07 18:04:28,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:04:28,637 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:04:28,641 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:04:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:28,676 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:04:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:28,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279500665] [2019-12-07 18:04:28,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:04:28,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 18:04:28,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145577923] [2019-12-07 18:04:28,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:04:28,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:04:28,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:04:28,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:04:28,737 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 5 states. [2019-12-07 18:04:28,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:04:28,767 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-12-07 18:04:28,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:04:28,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-07 18:04:28,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:04:28,777 INFO L225 Difference]: With dead ends: 29 [2019-12-07 18:04:28,777 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 18:04:28,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:04:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 18:04:28,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 18:04:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 18:04:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-12-07 18:04:28,811 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2019-12-07 18:04:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:04:28,811 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-12-07 18:04:28,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:04:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-12-07 18:04:28,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 18:04:28,812 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:28,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:04:29,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:04:29,013 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:04:29,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:29,014 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2019-12-07 18:04:29,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:29,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948476482] [2019-12-07 18:04:29,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:04:29,121 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:04:29,122 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:04:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:29,176 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:04:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:29,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948476482] [2019-12-07 18:04:29,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:04:29,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-12-07 18:04:29,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754550585] [2019-12-07 18:04:29,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 18:04:29,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:04:29,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 18:04:29,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:04:29,273 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2019-12-07 18:04:29,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:04:29,397 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-12-07 18:04:29,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:04:29,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-12-07 18:04:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:04:29,400 INFO L225 Difference]: With dead ends: 35 [2019-12-07 18:04:29,401 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 18:04:29,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:04:29,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 18:04:29,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2019-12-07 18:04:29,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 18:04:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-12-07 18:04:29,406 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2019-12-07 18:04:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:04:29,407 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-12-07 18:04:29,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 18:04:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-12-07 18:04:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:04:29,407 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:29,408 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:04:29,608 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:04:29,609 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:04:29,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:29,609 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2019-12-07 18:04:29,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:29,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877052618] [2019-12-07 18:04:29,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:04:29,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:04:29,723 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:04:29,748 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-07 18:04:29,748 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:04:29,751 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:04:29,751 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:04:29,751 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 18:04:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:29,763 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:04:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:29,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877052618] [2019-12-07 18:04:29,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:04:29,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 18:04:29,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017673102] [2019-12-07 18:04:29,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:04:29,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:04:29,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:04:29,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:04:29,794 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2019-12-07 18:04:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:04:29,825 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-12-07 18:04:29,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:04:29,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-07 18:04:29,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:04:29,826 INFO L225 Difference]: With dead ends: 30 [2019-12-07 18:04:29,827 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 18:04:29,827 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:04:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 18:04:29,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 18:04:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 18:04:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-12-07 18:04:29,831 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2019-12-07 18:04:29,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:04:29,832 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-12-07 18:04:29,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:04:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-12-07 18:04:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:04:29,832 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:29,833 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:04:30,033 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:04:30,034 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:04:30,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:30,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2019-12-07 18:04:30,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:30,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292672643] [2019-12-07 18:04:30,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:04:30,127 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:04:30,128 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:04:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:30,140 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:04:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:30,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292672643] [2019-12-07 18:04:30,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:04:30,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 18:04:30,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692684872] [2019-12-07 18:04:30,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:04:30,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:04:30,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:04:30,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:04:30,154 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 5 states. [2019-12-07 18:04:30,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:04:30,175 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-12-07 18:04:30,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:04:30,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-07 18:04:30,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:04:30,176 INFO L225 Difference]: With dead ends: 34 [2019-12-07 18:04:30,176 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 18:04:30,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:04:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 18:04:30,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2019-12-07 18:04:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-12-07 18:04:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2019-12-07 18:04:30,179 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2019-12-07 18:04:30,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:04:30,179 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2019-12-07 18:04:30,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:04:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2019-12-07 18:04:30,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:04:30,180 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:30,180 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:04:30,380 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 18:04:30,381 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:04:30,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:30,382 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2019-12-07 18:04:30,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:30,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74778866] [2019-12-07 18:04:30,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:04:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:04:30,491 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:04:30,491 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:04:30,692 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 18:04:30,712 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 18:04:30,714 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 18:04:30,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:04:30 BoogieIcfgContainer [2019-12-07 18:04:30,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:04:30,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:04:30,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:04:30,723 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:04:30,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:04:28" (3/4) ... [2019-12-07 18:04:30,725 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:04:30,730 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 18:04:30,730 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 18:04:30,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e7b71f5e-20ce-40bf-872a-9ae245d473ad/bin/uautomizer/witness.graphml [2019-12-07 18:04:30,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:04:30,761 INFO L168 Benchmark]: Toolchain (without parser) took 3704.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:30,761 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:30,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:30,762 INFO L168 Benchmark]: Boogie Preprocessor took 81.62 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:30,763 INFO L168 Benchmark]: RCFGBuilder took 861.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.9 MB in the end (delta: 114.0 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:30,763 INFO L168 Benchmark]: TraceAbstraction took 2275.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 956.9 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:30,764 INFO L168 Benchmark]: Witness Printer took 37.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:30,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.62 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 861.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.9 MB in the end (delta: 114.0 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2275.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 956.9 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 37.30 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Result: UNSAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 224 SDs, 0 SdLazy, 152 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3713 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...