./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC --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 79a252c986c7b06f14f3ee394685573049ad76fb ................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC --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 79a252c986c7b06f14f3ee394685573049ad76fb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2021-10-11 00:28:08,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:28:08,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:28:08,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:28:08,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:28:08,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:28:08,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:28:08,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:28:08,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:28:08,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:28:08,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:28:08,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:28:08,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:28:08,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:28:08,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:28:08,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:28:08,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:28:08,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:28:08,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:28:08,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:28:08,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:28:08,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:28:08,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:28:08,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:28:08,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:28:08,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:28:08,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:28:08,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:28:08,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:28:08,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:28:08,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:28:08,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:28:08,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:28:08,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:28:08,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:28:08,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:28:08,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:28:08,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:28:08,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:28:08,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:28:08,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:28:08,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-11 00:28:08,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:28:08,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:28:08,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:28:08,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:28:08,291 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:28:08,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:28:08,291 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:28:08,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:28:08,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:28:08,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:28:08,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:28:08,296 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 00:28:08,297 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 00:28:08,297 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 00:28:08,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:28:08,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 00:28:08,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:28:08,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:28:08,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:28:08,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:28:08,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:28:08,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:28:08,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:28:08,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:28:08,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:28:08,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:28:08,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:28:08,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a252c986c7b06f14f3ee394685573049ad76fb [2021-10-11 00:28:08,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:28:08,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:28:08,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:28:08,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:28:08,646 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:28:08,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-11 00:28:08,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/caf3c68b9/531d235d654645c783bdaf4eb2ab440b/FLAGa86e8d93e [2021-10-11 00:28:09,316 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:28:09,317 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-11 00:28:09,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/caf3c68b9/531d235d654645c783bdaf4eb2ab440b/FLAGa86e8d93e [2021-10-11 00:28:09,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/caf3c68b9/531d235d654645c783bdaf4eb2ab440b [2021-10-11 00:28:09,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:28:09,591 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-11 00:28:09,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:09,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:28:09,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:28:09,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:09" (1/1) ... [2021-10-11 00:28:09,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d5f835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:09, skipping insertion in model container [2021-10-11 00:28:09,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:09" (1/1) ... [2021-10-11 00:28:09,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:28:09,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:28:10,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:10,066 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) [2021-10-11 00:28:10,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b92c1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:10, skipping insertion in model container [2021-10-11 00:28:10,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:10,067 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-11 00:28:10,069 INFO L168 Benchmark]: Toolchain (without parser) took 477.58 ms. Allocated memory is still 111.1 MB. Free memory was 80.7 MB in the beginning and 83.2 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:10,070 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 111.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:10,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.70 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 83.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:10,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 111.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 464.70 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 83.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 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 0.2.0-7b2dab5 [2021-10-11 00:28:12,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:28:12,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:28:12,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:28:12,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:28:12,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:28:12,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:28:12,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:28:12,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:28:12,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:28:12,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:28:12,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:28:12,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:28:12,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:28:12,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:28:12,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:28:12,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:28:12,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:28:12,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:28:12,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:28:12,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:28:12,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:28:12,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:28:12,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:28:12,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:28:12,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:28:12,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:28:12,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:28:12,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:28:12,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:28:12,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:28:12,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:28:12,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:28:12,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:28:12,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:28:12,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:28:12,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:28:12,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:28:12,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:28:12,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:28:12,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:28:12,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-11 00:28:12,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:28:12,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:28:12,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:28:12,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:28:12,420 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:28:12,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:28:12,421 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:28:12,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:28:12,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:28:12,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:28:12,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:28:12,423 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 00:28:12,423 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 00:28:12,423 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 00:28:12,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:28:12,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 00:28:12,424 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:28:12,424 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:28:12,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:28:12,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:28:12,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:28:12,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:28:12,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:28:12,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:28:12,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:28:12,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:28:12,426 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:28:12,426 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:28:12,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:28:12,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:28:12,427 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a252c986c7b06f14f3ee394685573049ad76fb [2021-10-11 00:28:12,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:28:12,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:28:12,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:28:12,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:28:12,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:28:12,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-11 00:28:12,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/01788f24c/8a27edc3c197463f8c5f15cdfc26d03a/FLAG4e7be800b [2021-10-11 00:28:13,482 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:28:13,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-11 00:28:13,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/01788f24c/8a27edc3c197463f8c5f15cdfc26d03a/FLAG4e7be800b [2021-10-11 00:28:13,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/data/01788f24c/8a27edc3c197463f8c5f15cdfc26d03a [2021-10-11 00:28:13,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:28:13,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-11 00:28:13,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:13,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:28:13,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:28:13,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:13" (1/1) ... [2021-10-11 00:28:13,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783abffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:13, skipping insertion in model container [2021-10-11 00:28:13,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:13" (1/1) ... [2021-10-11 00:28:13,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:28:13,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:28:14,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:14,244 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 00:28:14,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:28:14,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:14,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:28:14,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:14,491 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:28:14,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14 WrapperNode [2021-10-11 00:28:14,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:14,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:28:14,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:28:14,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:28:14,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... [2021-10-11 00:28:14,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:28:14,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:28:14,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:28:14,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:28:14,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-11 00:28:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:28:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-11 00:28:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-11 00:28:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-11 00:28:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-11 00:28:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-11 00:28:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-11 00:28:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-11 00:28:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-11 00:28:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-11 00:28:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-11 00:28:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-11 00:28:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-11 00:28:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-11 00:28:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-11 00:28:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-11 00:28:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-11 00:28:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2021-10-11 00:28:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2021-10-11 00:28:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-11 00:28:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-11 00:28:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-11 00:28:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-11 00:28:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-11 00:28:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-11 00:28:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-11 00:28:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-11 00:28:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-11 00:28:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-11 00:28:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-11 00:28:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-11 00:28:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-11 00:28:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-11 00:28:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-11 00:28:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-11 00:28:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-11 00:28:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-11 00:28:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-11 00:28:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-11 00:28:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-11 00:28:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-11 00:28:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-11 00:28:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-11 00:28:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-11 00:28:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-11 00:28:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-11 00:28:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-11 00:28:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-11 00:28:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-11 00:28:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-11 00:28:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-11 00:28:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-11 00:28:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-11 00:28:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-11 00:28:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-11 00:28:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-11 00:28:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-11 00:28:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-11 00:28:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-11 00:28:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-11 00:28:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-11 00:28:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-11 00:28:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-11 00:28:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-11 00:28:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-11 00:28:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-11 00:28:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-11 00:28:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-11 00:28:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-11 00:28:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-11 00:28:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-11 00:28:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-11 00:28:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-11 00:28:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-11 00:28:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-11 00:28:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-11 00:28:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-11 00:28:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-11 00:28:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-11 00:28:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-11 00:28:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-11 00:28:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-11 00:28:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-11 00:28:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-11 00:28:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-11 00:28:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-11 00:28:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-11 00:28:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-11 00:28:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-11 00:28:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-11 00:28:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-11 00:28:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-11 00:28:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-11 00:28:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:28:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-11 00:28:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-11 00:28:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2021-10-11 00:28:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-11 00:28:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-11 00:28:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-11 00:28:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-11 00:28:15,435 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:28:15,803 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:28:16,092 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:28:16,093 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-11 00:28:16,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:16 BoogieIcfgContainer [2021-10-11 00:28:16,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:28:16,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:28:16,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:28:16,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:28:16,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:28:13" (1/3) ... [2021-10-11 00:28:16,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bea5d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:16, skipping insertion in model container [2021-10-11 00:28:16,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:14" (2/3) ... [2021-10-11 00:28:16,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bea5d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:16, skipping insertion in model container [2021-10-11 00:28:16,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:16" (3/3) ... [2021-10-11 00:28:16,103 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2021-10-11 00:28:16,129 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:28:16,133 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2021-10-11 00:28:16,145 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-11 00:28:16,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:28:16,165 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 00:28:16,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:28:16,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:28:16,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:28:16,165 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:28:16,165 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:28:16,165 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:28:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2021-10-11 00:28:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:28:16,187 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:16,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:16,189 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2021-10-11 00:28:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:16,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2021-10-11 00:28:16,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:28:16,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916790082] [2021-10-11 00:28:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:16,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:28:16,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:16,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:28:16,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916790082] [2021-10-11 00:28:16,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:16,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:28:16,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069053761] [2021-10-11 00:28:16,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:16,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:28:16,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:16,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:16,589 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2021-10-11 00:28:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:16,658 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-10-11 00:28:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:16,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-10-11 00:28:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:16,668 INFO L225 Difference]: With dead ends: 33 [2021-10-11 00:28:16,668 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:28:16,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:28:16,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:28:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 00:28:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:28:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-10-11 00:28:16,708 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2021-10-11 00:28:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:16,709 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-10-11 00:28:16,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-11 00:28:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:28:16,711 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:16,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:16,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:28:16,932 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2021-10-11 00:28:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2021-10-11 00:28:16,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:28:16,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189119014] [2021-10-11 00:28:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:17,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:28:17,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:17,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:28:17,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189119014] [2021-10-11 00:28:17,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:17,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:28:17,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542869971] [2021-10-11 00:28:17,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:28:17,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:28:17,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:28:17,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:28:17,283 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 6 states. [2021-10-11 00:28:17,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:17,447 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-10-11 00:28:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:28:17,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2021-10-11 00:28:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:17,449 INFO L225 Difference]: With dead ends: 45 [2021-10-11 00:28:17,449 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 00:28:17,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:28:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 00:28:17,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2021-10-11 00:28:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:28:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2021-10-11 00:28:17,462 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 19 [2021-10-11 00:28:17,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:17,462 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2021-10-11 00:28:17,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:28:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-10-11 00:28:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:28:17,465 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:17,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:17,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:28:17,674 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2021-10-11 00:28:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:17,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1729239012, now seen corresponding path program 1 times [2021-10-11 00:28:17,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:28:17,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583182471] [2021-10-11 00:28:17,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:17,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:28:17,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:17,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:28:17,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583182471] [2021-10-11 00:28:17,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:17,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:28:17,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896773748] [2021-10-11 00:28:17,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:17,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:28:17,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:17,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:17,946 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2021-10-11 00:28:18,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:18,027 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2021-10-11 00:28:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:18,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2021-10-11 00:28:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:18,031 INFO L225 Difference]: With dead ends: 40 [2021-10-11 00:28:18,031 INFO L226 Difference]: Without dead ends: 40 [2021-10-11 00:28:18,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:28:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-11 00:28:18,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-10-11 00:28:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-10-11 00:28:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2021-10-11 00:28:18,053 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 19 [2021-10-11 00:28:18,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:18,054 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2021-10-11 00:28:18,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2021-10-11 00:28:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:28:18,055 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:18,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:18,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:28:18,275 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2021-10-11 00:28:18,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:18,276 INFO L82 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2021-10-11 00:28:18,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:28:18,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97118875] [2021-10-11 00:28:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:18,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:28:18,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:18,530 INFO L382 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 [2021-10-11 00:28:18,531 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 00:28:18,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:28:18,534 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:28:18,535 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-10-11 00:28:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:18,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:28:18,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97118875] [2021-10-11 00:28:18,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:18,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:28:18,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817902670] [2021-10-11 00:28:18,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:18,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:28:18,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:18,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:18,567 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 5 states. [2021-10-11 00:28:18,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:18,628 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-10-11 00:28:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:18,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2021-10-11 00:28:18,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:18,631 INFO L225 Difference]: With dead ends: 43 [2021-10-11 00:28:18,631 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:28:18,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:28:18,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:28:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:28:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-11 00:28:18,638 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 20 [2021-10-11 00:28:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:18,638 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-11 00:28:18,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-11 00:28:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:28:18,640 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:18,640 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:18,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 00:28:18,852 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2021-10-11 00:28:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:18,852 INFO L82 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2021-10-11 00:28:18,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:28:18,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682393239] [2021-10-11 00:28:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:28:19,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:28:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:28:19,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:28:19,172 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-11 00:28:19,172 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:28:19,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 00:28:19,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:19 BoogieIcfgContainer [2021-10-11 00:28:19,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:28:19,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:19,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:19,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:19,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:16" (3/4) ... [2021-10-11 00:28:19,402 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:28:19,445 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328b96e2-929d-422b-abbf-2b3cbfffee7a/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:28:19,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:19,447 INFO L168 Benchmark]: Toolchain (without parser) took 5735.55 ms. Allocated memory was 69.2 MB in the beginning and 138.4 MB in the end (delta: 69.2 MB). Free memory was 50.1 MB in the beginning and 76.7 MB in the end (delta: -26.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,447 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 51.2 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:19,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.99 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 49.8 MB in the beginning and 73.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,449 INFO L168 Benchmark]: Boogie Preprocessor took 116.83 ms. Allocated memory is still 100.7 MB. Free memory was 73.4 MB in the beginning and 68.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,449 INFO L168 Benchmark]: RCFGBuilder took 1465.61 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 39.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,450 INFO L168 Benchmark]: TraceAbstraction took 3302.30 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 39.0 MB in the beginning and 78.8 MB in the end (delta: -39.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:19,456 INFO L168 Benchmark]: Witness Printer took 46.12 ms. Allocated memory is still 138.4 MB. Free memory was 78.8 MB in the beginning and 76.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 51.2 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 777.99 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 49.8 MB in the beginning and 73.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.83 ms. Allocated memory is still 100.7 MB. Free memory was 73.4 MB in the beginning and 68.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1465.61 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 39.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3302.30 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 39.0 MB in the beginning and 78.8 MB in the end (delta: -39.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 46.12 ms. Allocated memory is still 138.4 MB. Free memory was 78.8 MB in the beginning and 76.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 762]: 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) }; [L757] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={3:0}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={3:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={3:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, \result={1:0}, a8={0:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) [L766] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 79 SDslu, 235 SDs, 0 SdLazy, 139 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 4508 SizeOfPredicates, 4 NumberOfNonLiveVariables, 371 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...