./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be --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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 ................................................................................................................................... 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_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be --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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:49:33,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:49:33,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:49:33,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:49:33,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:49:33,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:49:33,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:49:33,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:49:33,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:49:33,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:49:33,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:49:33,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:49:33,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:49:33,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:49:33,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:49:33,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:49:33,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:49:33,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:49:33,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:49:33,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:49:33,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:49:33,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:49:33,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:49:33,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:49:33,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:49:33,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:49:33,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:49:33,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:49:33,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:49:33,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:49:33,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:49:33,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:49:33,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:49:33,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:49:33,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:49:33,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:49:33,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:49:33,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:49:33,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:49:33,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:49:33,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:49:33,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:49:33,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:49:33,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:49:33,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:49:33,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:49:33,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:49:33,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:49:33,970 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:49:33,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:49:33,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:49:33,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:49:33,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:49:33,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:49:33,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:49:33,971 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:49:33,971 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:49:33,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:49:33,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:49:33,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:49:33,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:49:33,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:49:33,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:49:33,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:49:33,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:49:33,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:33,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:49:33,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:49:33,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:49:33,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:49:33,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:49:33,974 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_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-10-21 19:49:34,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:49:34,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:49:34,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:49:34,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:49:34,271 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:49:34,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-21 19:49:34,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/e6aab1525/938217e4fd1d4537b4ccffa29c191ae1/FLAG908afa84b [2021-10-21 19:49:34,832 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:49:34,832 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-21 19:49:34,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/e6aab1525/938217e4fd1d4537b4ccffa29c191ae1/FLAG908afa84b [2021-10-21 19:49:35,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/e6aab1525/938217e4fd1d4537b4ccffa29c191ae1 [2021-10-21 19:49:35,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:49:35,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:49:35,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:35,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:49:35,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:49:35,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:35" (1/1) ... [2021-10-21 19:49:35,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be9cb0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:35, skipping insertion in model container [2021-10-21 19:49:35,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:35" (1/1) ... [2021-10-21 19:49:35,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:49:35,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:35,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:35,631 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) [2021-10-21 19:49:35,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d32b894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:35, skipping insertion in model container [2021-10-21 19:49:35,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:35,633 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:49:35,635 INFO L168 Benchmark]: Toolchain (without parser) took 476.49 ms. Allocated memory is still 96.5 MB. Free memory was 59.8 MB in the beginning and 68.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:35,636 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 67.1 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:49:35,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.82 ms. Allocated memory is still 96.5 MB. Free memory was 59.6 MB in the beginning and 68.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:35,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 67.1 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.82 ms. Allocated memory is still 96.5 MB. Free memory was 59.6 MB in the beginning and 68.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 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-e943c26 [2021-10-21 19:49:37,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:49:37,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:49:38,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:49:38,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:49:38,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:49:38,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:49:38,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:49:38,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:49:38,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:49:38,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:49:38,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:49:38,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:49:38,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:49:38,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:49:38,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:49:38,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:49:38,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:49:38,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:49:38,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:49:38,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:49:38,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:49:38,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:49:38,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:49:38,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:49:38,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:49:38,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:49:38,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:49:38,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:49:38,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:49:38,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:49:38,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:49:38,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:49:38,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:49:38,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:49:38,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:49:38,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:49:38,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:49:38,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:49:38,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:49:38,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:49:38,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:49:38,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:49:38,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:49:38,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:49:38,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:49:38,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:49:38,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:49:38,156 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:49:38,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:49:38,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:49:38,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:49:38,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:49:38,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:49:38,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:49:38,158 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:49:38,159 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:49:38,159 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:49:38,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:49:38,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:49:38,159 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:49:38,160 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:49:38,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:49:38,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:49:38,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:49:38,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:49:38,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:49:38,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:38,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:49:38,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:49:38,162 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:49:38,162 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:49:38,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:49:38,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:49:38,163 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_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-10-21 19:49:38,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:49:38,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:49:38,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:49:38,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:49:38,559 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:49:38,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-21 19:49:38,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/d6fb80e22/dd838dbd98d84b13aa5d1db4684ab4bc/FLAG2b5e8b6ab [2021-10-21 19:49:39,263 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:49:39,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-21 19:49:39,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/d6fb80e22/dd838dbd98d84b13aa5d1db4684ab4bc/FLAG2b5e8b6ab [2021-10-21 19:49:39,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/data/d6fb80e22/dd838dbd98d84b13aa5d1db4684ab4bc [2021-10-21 19:49:39,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:49:39,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:49:39,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:39,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:49:39,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:49:39,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:39" (1/1) ... [2021-10-21 19:49:39,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fc38dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:39, skipping insertion in model container [2021-10-21 19:49:39,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:39" (1/1) ... [2021-10-21 19:49:39,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:49:39,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:40,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:40,106 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:49:40,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:40,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:40,166 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:49:40,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:40,303 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:49:40,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40 WrapperNode [2021-10-21 19:49:40,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:40,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:49:40,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:49:40,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:49:40,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:49:40,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:49:40,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:49:40,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:49:40,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (1/1) ... [2021-10-21 19:49:40,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:40,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:49:40,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:49:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:49:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:49:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:49:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:49:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:49:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:49:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:49:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:49:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:49:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:49:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:49:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:49:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:49:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:49:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:49:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:49:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:49:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:49:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:49:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:49:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:49:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:49:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:49:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:49:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:49:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:49:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:49:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:49:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:49:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:49:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:49:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:49:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:49:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:49:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:49:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:49:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:49:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:49:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:49:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:49:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:49:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:49:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:49:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:49:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:49:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:49:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:49:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:49:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:49:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:49:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:49:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:49:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:49:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:49:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:49:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:49:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:49:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:49:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:49:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:49:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:49:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:49:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:49:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:49:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:49:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:49:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:49:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:49:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:49:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:49:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:49:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:49:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:49:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:49:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:49:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:49:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:49:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:49:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:49:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:49:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:49:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:49:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:49:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:49:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:49:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:49:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:49:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:49:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:49:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:49:41,206 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:49:41,636 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:49:41,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:49:41,953 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:49:41,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:41 BoogieIcfgContainer [2021-10-21 19:49:41,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:49:41,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:49:41,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:49:41,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:49:41,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:49:39" (1/3) ... [2021-10-21 19:49:41,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1160c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:41, skipping insertion in model container [2021-10-21 19:49:41,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:40" (2/3) ... [2021-10-21 19:49:41,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1160c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:41, skipping insertion in model container [2021-10-21 19:49:41,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:41" (3/3) ... [2021-10-21 19:49:41,964 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2021-10-21 19:49:41,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:49:41,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 19:49:42,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:49:42,038 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 [2021-10-21 19:49:42,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 19:49:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-10-21 19:49:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 19:49:42,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:42,064 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:42,065 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:49:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:42,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2021-10-21 19:49:42,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:49:42,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421793494] [2021-10-21 19:49:42,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:42,084 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:49:42,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:49:42,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:49:42,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:49:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:42,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:49:42,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:42,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:49:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:42,503 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:49:42,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421793494] [2021-10-21 19:49:42,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421793494] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:42,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:42,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:49:42,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694195966] [2021-10-21 19:49:42,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:49:42,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:49:42,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:49:42,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:42,532 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:49:42,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:42,579 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-10-21 19:49:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:49:42,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-10-21 19:49:42,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:42,588 INFO L225 Difference]: With dead ends: 24 [2021-10-21 19:49:42,589 INFO L226 Difference]: Without dead ends: 21 [2021-10-21 19:49:42,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.2ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:42,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-21 19:49:42,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-21 19:49:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:49:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-21 19:49:42,626 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2021-10-21 19:49:42,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:42,626 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-21 19:49:42,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:49:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-21 19:49:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:49:42,627 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:42,628 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:42,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:42,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:49:42,839 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:49:42,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:42,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2021-10-21 19:49:42,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:49:42,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772896309] [2021-10-21 19:49:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:42,842 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:49:42,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:49:42,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:49:42,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:49:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:43,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:49:43,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:43,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:49:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:43,445 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:49:43,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772896309] [2021-10-21 19:49:43,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772896309] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:43,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:43,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-21 19:49:43,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872245767] [2021-10-21 19:49:43,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:49:43,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:49:43,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:49:43,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:49:43,449 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:49:43,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:43,585 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-10-21 19:49:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:49:43,586 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-10-21 19:49:43,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:43,589 INFO L225 Difference]: With dead ends: 28 [2021-10-21 19:49:43,589 INFO L226 Difference]: Without dead ends: 28 [2021-10-21 19:49:43,590 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 88.8ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:49:43,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-21 19:49:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2021-10-21 19:49:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:49:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-10-21 19:49:43,595 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2021-10-21 19:49:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:43,595 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-10-21 19:49:43,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:49:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-10-21 19:49:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:49:43,598 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:43,598 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:43,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:43,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:49:43,811 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:49:43,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:43,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2021-10-21 19:49:43,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:49:43,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080054642] [2021-10-21 19:49:43,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:43,813 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:49:43,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:49:43,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:49:43,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:49:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:43,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:49:43,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:44,040 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 [2021-10-21 19:49:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:44,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:49:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:44,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:49:44,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080054642] [2021-10-21 19:49:44,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1080054642] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:44,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:44,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:49:44,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789539081] [2021-10-21 19:49:44,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:49:44,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:49:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:49:44,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:44,197 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:49:44,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:44,244 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-10-21 19:49:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:49:44,245 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-21 19:49:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:44,248 INFO L225 Difference]: With dead ends: 26 [2021-10-21 19:49:44,248 INFO L226 Difference]: Without dead ends: 26 [2021-10-21 19:49:44,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:44,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-21 19:49:44,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-21 19:49:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-21 19:49:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-21 19:49:44,258 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2021-10-21 19:49:44,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:44,259 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-21 19:49:44,259 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:49:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-21 19:49:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:49:44,261 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:44,261 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:44,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:44,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:49:44,472 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:49:44,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:44,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2021-10-21 19:49:44,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:49:44,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893612282] [2021-10-21 19:49:44,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:44,474 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:49:44,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:49:44,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:49:44,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:49:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:44,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:49:44,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:44,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:49:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:44,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:49:44,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893612282] [2021-10-21 19:49:44,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893612282] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:44,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:44,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:49:44,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774745420] [2021-10-21 19:49:44,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:49:44,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:49:44,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:49:44,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:44,758 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:49:44,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:44,778 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-10-21 19:49:44,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:49:44,778 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-21 19:49:44,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:44,779 INFO L225 Difference]: With dead ends: 27 [2021-10-21 19:49:44,780 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 19:49:44,780 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:44,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 19:49:44,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-10-21 19:49:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:49:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-21 19:49:44,784 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2021-10-21 19:49:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:44,784 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-21 19:49:44,784 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:49:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-21 19:49:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:49:44,785 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:44,785 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:44,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:44,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:49:44,997 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:49:44,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:44,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2021-10-21 19:49:44,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:49:44,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159211701] [2021-10-21 19:49:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:44,999 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:49:44,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:49:45,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:49:45,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:49:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:45,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 19:49:45,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:45,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:49:54,571 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_28|)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_entry_point_#t~ret38.base_28| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))) (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))))))) is different from false [2021-10-21 19:49:54,698 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:49:54,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159211701] [2021-10-21 19:49:54,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_3 v_antiDerIndex_entry0_1))} [2021-10-21 19:49:54,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1328927315] [2021-10-21 19:49:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:54,699 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-21 19:49:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/cvc4 [2021-10-21 19:49:54,705 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-21 19:49:54,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-21 19:49:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:55,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:49:55,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:55,042 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 19:49:55,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-21 19:50:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:01,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:05,627 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| |c_#valid|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-21 19:50:05,699 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-21 19:50:07,030 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_37| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_37|)))))) (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| |v_entry_point_#t~ret38.base_37| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-21 19:50:07,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_8| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_7)=(= (select v_prenex_7 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_8| v_entry_point_~p~0.base_12 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-21 19:50:07,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837317942] [2021-10-21 19:50:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:07,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:07,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:07,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:50:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:07,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:50:07,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:07,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:18,678 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-21 19:50:18,828 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_entry_point_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-21 19:50:19,191 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-21 19:50:19,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 76 treesize of output 123 [2021-10-21 19:50:20,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:50:20,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2021-10-21 19:50:20,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-21 19:50:21,215 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:50:21,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2021-10-21 19:50:23,643 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg v_arrayElimCell_8))))) (or (= (bvadd .cse0 (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_6)))) (_ bv0 1)) (not (= .cse0 (_ bv0 1)))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-21 19:50:25,693 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg (bvneg (bvneg v_arrayElimCell_8))))))) (or (not (= (_ bv0 1) (bvneg .cse0))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_6))))) .cse0))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-21 19:50:27,747 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32)) (|v_ldv_malloc_#res.base_40| (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg v_arrayElimCell_8)))))))) (or (not (= (_ bv0 1) .cse0)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_40|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_40| (_ bv0 1)) v_antiDerIndex_entry0_6)))))) .cse0))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-21 19:50:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:27,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837317942] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:27,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:27,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 10] imperfect sequences [] total 14 [2021-10-21 19:50:27,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183106234] [2021-10-21 19:50:27,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-21 19:50:27,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:50:27,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 19:50:27,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=68, NotChecked=342, Total=650 [2021-10-21 19:50:27,810 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-10-21 19:50:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:50,148 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-10-21 19:50:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:50:50,148 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 18 [2021-10-21 19:50:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:50,149 INFO L225 Difference]: With dead ends: 28 [2021-10-21 19:50:50,149 INFO L226 Difference]: Without dead ends: 19 [2021-10-21 19:50:50,150 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 61 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 37107.3ms TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=68, NotChecked=342, Total=650 [2021-10-21 19:50:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-21 19:50:50,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-21 19:50:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:50:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-10-21 19:50:50,154 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2021-10-21 19:50:50,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:50,155 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-10-21 19:50:50,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-10-21 19:50:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-10-21 19:50:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:50:50,156 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:50,156 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:50,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:50,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:50,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:50,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt [2021-10-21 19:50:50,757 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:50:50,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:50,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2021-10-21 19:50:50,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:50:50,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21087134] [2021-10-21 19:50:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:50,759 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:50:50,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:50:50,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:50:50,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-21 19:50:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:50,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:50:50,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:51,002 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-21 19:50:51,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 15 [2021-10-21 19:50:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:51,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:51,428 INFO L354 Elim1Store]: treesize reduction 11, result has 60.7 percent of original size [2021-10-21 19:50:51,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2021-10-21 19:50:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:51,622 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:50:51,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21087134] [2021-10-21 19:50:51,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21087134] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:51,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:51,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2021-10-21 19:50:51,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152376357] [2021-10-21 19:50:51,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-21 19:50:51,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:50:51,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 19:50:51,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:50:51,624 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-21 19:50:51,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:51,808 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-10-21 19:50:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:50:51,810 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 18 [2021-10-21 19:50:51,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:51,810 INFO L225 Difference]: With dead ends: 18 [2021-10-21 19:50:51,810 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:50:51,811 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 254.0ms TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-10-21 19:50:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:50:51,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:50:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:50:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:50:51,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-21 19:50:51,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:51,811 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:50:51,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-21 19:50:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:50:51,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:50:51,814 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,815 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,815 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,815 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:50:51,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:50:51,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:50:51,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:50:51,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:50:51,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:50:51,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:50:51,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:50:51,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:50:51,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:50:51,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:50:51,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:50:51,836 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:50:51,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:50:51,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:52,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:50:52,054 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:50:52,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:50:52 BoogieIcfgContainer [2021-10-21 19:50:52,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:50:52,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:50:52,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:50:52,058 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:50:52,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:41" (3/4) ... [2021-10-21 19:50:52,069 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:50:52,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-21 19:50:52,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:50:52,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-21 19:50:52,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-21 19:50:52,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-21 19:50:52,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-21 19:50:52,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-21 19:50:52,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-21 19:50:52,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-21 19:50:52,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-21 19:50:52,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-21 19:50:52,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-21 19:50:52,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-21 19:50:52,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-10-21 19:50:52,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:50:52,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:50:52,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:50:52,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:50:52,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:50:52,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:50:52,137 INFO L168 Benchmark]: Toolchain (without parser) took 72620.32 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 31.1 MB in the beginning and 65.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:52,138 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:50:52,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.95 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.9 MB in the beginning and 47.7 MB in the end (delta: -16.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:52,139 INFO L168 Benchmark]: Boogie Preprocessor took 168.34 ms. Allocated memory is still 67.1 MB. Free memory was 47.7 MB in the beginning and 43.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:52,139 INFO L168 Benchmark]: RCFGBuilder took 1481.56 ms. Allocated memory is still 67.1 MB. Free memory was 43.0 MB in the beginning and 29.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:52,140 INFO L168 Benchmark]: TraceAbstraction took 70098.96 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 28.8 MB in the beginning and 70.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:52,140 INFO L168 Benchmark]: Witness Printer took 78.99 ms. Allocated memory is still 98.6 MB. Free memory was 70.5 MB in the beginning and 65.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:52,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 786.95 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.9 MB in the beginning and 47.7 MB in the end (delta: -16.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 168.34 ms. Allocated memory is still 67.1 MB. Free memory was 47.7 MB in the beginning and 43.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1481.56 ms. Allocated memory is still 67.1 MB. Free memory was 43.0 MB in the beginning and 29.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 70098.96 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 28.8 MB in the beginning and 70.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 78.99 ms. Allocated memory is still 98.6 MB. Free memory was 70.5 MB in the beginning and 65.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 70025.5ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 18.5ms, AutomataDifference: 22826.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 105 SDtfs, 61 SDslu, 270 SDs, 0 SdLazy, 249 SolverSat, 41 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 22472.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 173 SyntacticMatches, 11 SemanticMatches, 56 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 37502.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 42.7ms AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 49.9ms SsaConstructionTime, 120.7ms SatisfiabilityAnalysisTime, 21998.4ms InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 22 QuantifiedInterpolants, 1159 SizeOfPredicates, 4 NumberOfNonLiveVariables, 383 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-21 19:50:52,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288e0044-856e-4b50-ac8d-be19e6b234dc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...