./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD --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 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 ................................................................................................................................... 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_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD --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 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.1-dev-b2eff8b [2021-10-28 23:14:50,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:14:50,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:14:50,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:14:50,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:14:50,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:14:50,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:14:50,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:14:50,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:14:50,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:14:50,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:14:50,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:14:50,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:14:50,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:14:50,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:14:50,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:14:50,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:14:50,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:14:50,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:14:50,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:14:50,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:14:50,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:14:50,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:14:50,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:14:50,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:14:50,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:14:50,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:14:50,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:14:50,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:14:50,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:14:50,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:14:50,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:14:50,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:14:50,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:14:50,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:14:50,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:14:50,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:14:50,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:14:50,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:14:50,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:14:50,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:14:50,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:14:50,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:14:50,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:14:50,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:14:50,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:14:50,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:14:50,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:14:50,901 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:14:50,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:14:50,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:14:50,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:14:50,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:14:50,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:14:50,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:14:50,903 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:14:50,903 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:14:50,903 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:14:50,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:14:50,903 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:14:50,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:14:50,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:14:50,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:14:50,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:14:50,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:14:50,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:50,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:14:50,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:14:50,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:14:50,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:14:50,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:14:50,906 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_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 [2021-10-28 23:14:51,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:14:51,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:14:51,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:14:51,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:14:51,257 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:14:51,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 23:14:51,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/30a2ba2ee/a378c5785d9e4e949c3fdd420c978106/FLAGf89590afb [2021-10-28 23:14:51,901 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:14:51,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 23:14:51,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/30a2ba2ee/a378c5785d9e4e949c3fdd420c978106/FLAGf89590afb [2021-10-28 23:14:52,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/30a2ba2ee/a378c5785d9e4e949c3fdd420c978106 [2021-10-28 23:14:52,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:14:52,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:14:52,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:52,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:14:52,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:14:52,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:52" (1/1) ... [2021-10-28 23:14:52,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae2cd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:52, skipping insertion in model container [2021-10-28 23:14:52,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:52" (1/1) ... [2021-10-28 23:14:52,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:14:52,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:52,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:52,672 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) [2021-10-28 23:14:52,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cc5d604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:52, skipping insertion in model container [2021-10-28 23:14:52,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:52,674 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:14:52,676 INFO L168 Benchmark]: Toolchain (without parser) took 507.31 ms. Allocated memory is still 119.5 MB. Free memory was 79.1 MB in the beginning and 89.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:52,676 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 119.5 MB. Free memory is still 96.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:14:52,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.06 ms. Allocated memory is still 119.5 MB. Free memory was 78.9 MB in the beginning and 89.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:52,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 119.5 MB. Free memory is still 96.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 502.06 ms. Allocated memory is still 119.5 MB. Free memory was 78.9 MB in the beginning and 89.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 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 0.2.1-dev-b2eff8b [2021-10-28 23:14:54,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:14:54,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:14:54,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:14:54,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:14:54,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:14:54,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:14:54,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:14:54,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:14:54,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:14:54,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:14:54,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:14:54,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:14:54,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:14:54,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:14:54,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:14:54,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:14:54,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:14:54,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:14:54,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:14:54,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:14:54,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:14:54,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:14:54,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:14:54,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:14:54,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:14:54,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:14:54,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:14:54,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:14:54,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:14:54,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:14:54,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:14:54,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:14:54,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:14:54,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:14:54,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:14:54,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:14:54,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:14:54,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:14:54,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:14:54,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:14:54,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:14:54,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:14:54,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:14:54,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:14:54,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:14:54,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:14:54,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:14:54,966 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:14:54,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:14:54,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:14:54,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:14:54,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:14:54,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:14:54,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:14:54,968 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:14:54,969 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:14:54,969 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:14:54,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:14:54,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:14:54,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:14:54,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:14:54,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:14:54,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:14:54,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:14:54,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:14:54,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:14:54,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:54,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:14:54,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:14:54,972 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:14:54,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:14:54,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:14:54,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:14:54,973 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_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 [2021-10-28 23:14:55,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:14:55,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:14:55,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:14:55,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:14:55,349 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:14:55,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 23:14:55,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/a0bc2ae86/75154467f48f426f91e2838197bcb510/FLAG464812d4f [2021-10-28 23:14:56,086 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:14:56,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 23:14:56,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/a0bc2ae86/75154467f48f426f91e2838197bcb510/FLAG464812d4f [2021-10-28 23:14:56,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/data/a0bc2ae86/75154467f48f426f91e2838197bcb510 [2021-10-28 23:14:56,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:14:56,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:14:56,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:56,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:14:56,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:14:56,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:56,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ee1bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56, skipping insertion in model container [2021-10-28 23:14:56,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:56,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:14:56,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:56,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:56,802 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:14:56,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:56,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:56,878 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:14:56,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:56,981 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:14:56,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56 WrapperNode [2021-10-28 23:14:56,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:56,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:14:56,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:14:56,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:14:56,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:56,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:14:57,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:14:57,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:14:57,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:14:57,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (1/1) ... [2021-10-28 23:14:57,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:57,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:57,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:57,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:14:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:14:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:14:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:14:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:14:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:14:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:14:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:14:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:14:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:14:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:14:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:14:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:14:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:14:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:14:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:14:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:14:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:14:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:14:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:14:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:14:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:14:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:14:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:14:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:14:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:14:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:14:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:14:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:14:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:14:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:14:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:14:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:14:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:14:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:14:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:14:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:14:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:14:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:14:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:14:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:14:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:14:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:14:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2021-10-28 23:14:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2021-10-28 23:14:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:14:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:14:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:14:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:14:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:14:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:14:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:14:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:14:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:14:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:14:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:14:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:14:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:14:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:14:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:14:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:14:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:14:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:14:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:14:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:14:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:14:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:14:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:14:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:14:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:14:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:14:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:14:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:14:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:14:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:14:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:14:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:14:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:14:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:14:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:14:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:14:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:14:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:14:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:14:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:14:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:14:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:14:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:14:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:14:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:14:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:14:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:14:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:14:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:14:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:14:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:14:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:14:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:14:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:14:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:14:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:14:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:14:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:14:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:14:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:14:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:14:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:14:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:14:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:14:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:14:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:14:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:14:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:14:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:14:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:14:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:14:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:14:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:14:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:14:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:14:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:14:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:14:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:14:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:14:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:14:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:14:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:14:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:14:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:14:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:14:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:14:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:14:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:14:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:14:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:14:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:14:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:14:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:14:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:14:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:14:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:14:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:14:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:14:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:14:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:14:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:14:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:14:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:14:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:14:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:14:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:14:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:14:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:14:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:14:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:14:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:14:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:14:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:14:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:14:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:14:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:14:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:14:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:14:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:14:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:14:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:14:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:14:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:14:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:14:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:14:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:14:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:14:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:14:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:14:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:14:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:14:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:14:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:14:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:14:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:14:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:14:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:14:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:14:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:14:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:14:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:14:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:14:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2021-10-28 23:14:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:14:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:14:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:14:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:14:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:14:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:14:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:14:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:14:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:14:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:14:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:14:57,802 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:14:58,125 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:14:58,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:14:58,382 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:14:58,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:58 BoogieIcfgContainer [2021-10-28 23:14:58,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:14:58,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:14:58,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:14:58,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:14:58,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:14:56" (1/3) ... [2021-10-28 23:14:58,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7456d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:14:58, skipping insertion in model container [2021-10-28 23:14:58,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:56" (2/3) ... [2021-10-28 23:14:58,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7456d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:14:58, skipping insertion in model container [2021-10-28 23:14:58,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:58" (3/3) ... [2021-10-28 23:14:58,393 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2021-10-28 23:14:58,398 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:14:58,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 23:14:58,442 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:14:58,449 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:14:58,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 23:14:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-10-28 23:14:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:14:58,491 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:58,491 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:58,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_8Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:14:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2021-10-28 23:14:58,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:14:58,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156561999] [2021-10-28 23:14:58,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:58,511 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:14:58,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:14:58,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:14:58,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:14:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:58,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:14:58,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:58,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:14:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:58,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:14:58,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156561999] [2021-10-28 23:14:58,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156561999] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:58,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:58,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:14:59,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253334015] [2021-10-28 23:14:59,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:14:59,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:14:59,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:14:59,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:14:59,029 INFO L87 Difference]: Start difference. First operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:14:59,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:59,083 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-10-28 23:14:59,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:14:59,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-10-28 23:14:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:14:59,093 INFO L225 Difference]: With dead ends: 33 [2021-10-28 23:14:59,093 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:14:59,094 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:14:59,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:14:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:14:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-28 23:14:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-10-28 23:14:59,129 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2021-10-28 23:14:59,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:14:59,130 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-10-28 23:14:59,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:14:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-28 23:14:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:14:59,131 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:59,132 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:59,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 23:14:59,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:14:59,343 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_8Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:14:59,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:59,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2021-10-28 23:14:59,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:14:59,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648547675] [2021-10-28 23:14:59,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:59,354 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:14:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:14:59,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:14:59,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:14:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:59,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:14:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:59,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:15:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:00,105 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:15:00,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648547675] [2021-10-28 23:15:00,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648547675] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:00,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:00,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 23:15:00,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504044252] [2021-10-28 23:15:00,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:15:00,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:15:00,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:15:00,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:15:00,109 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 23:15:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:00,373 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-10-28 23:15:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:15:00,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-10-28 23:15:00,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:00,375 INFO L225 Difference]: With dead ends: 43 [2021-10-28 23:15:00,375 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 23:15:00,376 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:15:00,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 23:15:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-28 23:15:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 7 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-28 23:15:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-28 23:15:00,395 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2021-10-28 23:15:00,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:00,396 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-28 23:15:00,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 23:15:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-28 23:15:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:15:00,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:00,398 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:00,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:15:00,609 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:15:00,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:00,610 INFO L85 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2021-10-28 23:15:00,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:15:00,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281992060] [2021-10-28 23:15:00,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:00,610 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:15:00,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:15:00,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:15:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:00,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:15:00,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:00,850 INFO L388 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 [2021-10-28 23:15:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:00,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:15:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:01,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:15:01,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281992060] [2021-10-28 23:15:01,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281992060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:01,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:01,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:15:01,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303708540] [2021-10-28 23:15:01,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:01,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:15:01,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:01,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:01,081 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:15:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:01,131 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-10-28 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:01,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 23:15:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:01,135 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:15:01,135 INFO L226 Difference]: Without dead ends: 46 [2021-10-28 23:15:01,135 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-28 23:15:01,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 23:15:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-28 23:15:01,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2021-10-28 23:15:01,146 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 20 [2021-10-28 23:15:01,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:01,147 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2021-10-28 23:15:01,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:15:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-10-28 23:15:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:15:01,148 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:01,148 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:01,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:01,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:15:01,364 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:15:01,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2066802129, now seen corresponding path program 1 times [2021-10-28 23:15:01,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:15:01,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272083442] [2021-10-28 23:15:01,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:01,366 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:15:01,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:15:01,367 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:15:01,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:15:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:01,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:15:01,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:01,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:15:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:01,889 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:15:01,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272083442] [2021-10-28 23:15:01,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272083442] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:01,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:01,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 23:15:01,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397191069] [2021-10-28 23:15:01,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:01,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:15:01,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:01,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:01,891 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:15:01,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:01,948 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-10-28 23:15:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:01,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 23:15:01,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:01,949 INFO L225 Difference]: With dead ends: 44 [2021-10-28 23:15:01,949 INFO L226 Difference]: Without dead ends: 44 [2021-10-28 23:15:01,950 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:15:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-28 23:15:01,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-10-28 23:15:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-28 23:15:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-28 23:15:01,956 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 20 [2021-10-28 23:15:01,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:01,956 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-28 23:15:01,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:15:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-28 23:15:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 23:15:01,958 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:01,958 INFO L513 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] [2021-10-28 23:15:01,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:02,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:15:02,169 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:15:02,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:02,169 INFO L85 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2021-10-28 23:15:02,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:15:02,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997782417] [2021-10-28 23:15:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:02,170 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:15:02,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:15:02,171 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:15:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:15:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:02,378 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:02,439 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 23:15:02,439 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:15:02,440 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location free_8Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:15:02,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:15:02,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:15:02,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:15:02,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:15:02,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:15:02,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:15:02,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:15:02,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:15:02,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:15:02,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:15:02,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:15:02,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:15:02,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:15:02,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:02,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:15:02,674 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 23:15:02,677 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:15:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:15:02 BoogieIcfgContainer [2021-10-28 23:15:02,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:15:02,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:15:02,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:15:02,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:15:02,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:58" (3/4) ... [2021-10-28 23:15:02,706 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:15:02,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:15:02,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:15:02,786 INFO L168 Benchmark]: Toolchain (without parser) took 6452.33 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 126.4 kB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:02,791 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:15:02,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.06 ms. Allocated memory is still 73.4 MB. Free memory was 49.9 MB in the beginning and 44.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:02,793 INFO L168 Benchmark]: Boogie Preprocessor took 147.37 ms. Allocated memory is still 73.4 MB. Free memory was 44.2 MB in the beginning and 39.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:02,794 INFO L168 Benchmark]: RCFGBuilder took 1252.92 ms. Allocated memory is still 73.4 MB. Free memory was 39.4 MB in the beginning and 35.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:02,794 INFO L168 Benchmark]: TraceAbstraction took 4316.21 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 34.3 MB in the beginning and 52.2 MB in the end (delta: -17.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:02,794 INFO L168 Benchmark]: Witness Printer took 80.11 ms. Allocated memory is still 100.7 MB. Free memory was 52.2 MB in the beginning and 50.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:02,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 650.06 ms. Allocated memory is still 73.4 MB. Free memory was 49.9 MB in the beginning and 44.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.37 ms. Allocated memory is still 73.4 MB. Free memory was 44.2 MB in the beginning and 39.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1252.92 ms. Allocated memory is still 73.4 MB. Free memory was 39.4 MB in the beginning and 35.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4316.21 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 34.3 MB in the beginning and 52.2 MB in the end (delta: -17.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Witness Printer took 80.11 ms. Allocated memory is still 100.7 MB. Free memory was 52.2 MB in the beginning and 50.1 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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={-2147483648:0}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}, 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={-2147483648:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) [L766] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 83 SDslu, 246 SDs, 0 SdLazy, 159 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 132 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 1 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:15:02,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e7843c-2229-4550-9cb5-2b9b49291b27/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...