./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.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_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/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_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/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_fb49e984-823f-4045-a6dd-1e0da83a17a9/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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 ................................................................................................................................... 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_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/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_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/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_fb49e984-823f-4045-a6dd-1e0da83a17a9/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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:15:44,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:15:44,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:15:44,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:15:44,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:15:44,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:15:44,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:15:44,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:15:44,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:15:44,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:15:44,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:15:44,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:15:44,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:15:44,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:15:44,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:15:44,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:15:44,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:15:44,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:15:44,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:15:44,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:15:44,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:15:44,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:15:44,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:15:44,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:15:44,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:15:44,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:15:44,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:15:44,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:15:44,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:15:44,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:15:44,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:15:44,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:15:44,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:15:44,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:15:44,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:15:44,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:15:44,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:15:44,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:15:44,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:15:44,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:15:44,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:15:44,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 20:15:45,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:15:45,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:15:45,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:15:45,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:15:45,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:15:45,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:15:45,052 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:15:45,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:15:45,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:15:45,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:15:45,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:15:45,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:15:45,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:15:45,054 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:15:45,055 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:15:45,055 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 20:15:45,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:15:45,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:15:45,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:15:45,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:15:45,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:15:45,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:15:45,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:15:45,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:15:45,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:15:45,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:15:45,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:15:45,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:15:45,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:15:45,060 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_fb49e984-823f-4045-a6dd-1e0da83a17a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-10-21 20:15:45,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:15:45,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:15:45,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:15:45,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:15:45,352 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:15:45,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-21 20:15:45,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/6a3b72551/dccc95496ff7474ba0008fbcf4b5c32d/FLAG4dfdc3645 [2021-10-21 20:15:46,111 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:15:46,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-21 20:15:46,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/6a3b72551/dccc95496ff7474ba0008fbcf4b5c32d/FLAG4dfdc3645 [2021-10-21 20:15:46,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/6a3b72551/dccc95496ff7474ba0008fbcf4b5c32d [2021-10-21 20:15:46,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:15:46,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:15:46,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:46,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:15:46,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:15:46,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:46" (1/1) ... [2021-10-21 20:15:46,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6f33d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:46, skipping insertion in model container [2021-10-21 20:15:46,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:46" (1/1) ... [2021-10-21 20:15:46,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:15:46,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:15:46,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:46,910 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 20:15:46,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f5e704a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:46, skipping insertion in model container [2021-10-21 20:15:46,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:46,912 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 20:15:46,915 INFO L168 Benchmark]: Toolchain (without parser) took 557.29 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 62.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:46,916 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory is still 78.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:15:46,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.34 ms. Allocated memory is still 107.0 MB. Free memory was 75.0 MB in the beginning and 62.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:46,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory is still 78.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.34 ms. Allocated memory is still 107.0 MB. Free memory was 75.0 MB in the beginning and 62.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 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 20:15:49,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:15:49,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:15:49,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:15:49,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:15:49,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:15:49,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:15:49,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:15:49,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:15:49,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:15:49,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:15:49,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:15:49,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:15:49,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:15:49,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:15:49,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:15:49,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:15:49,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:15:49,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:15:49,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:15:49,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:15:49,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:15:49,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:15:49,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:15:49,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:15:49,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:15:49,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:15:49,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:15:49,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:15:49,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:15:49,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:15:49,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:15:49,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:15:49,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:15:49,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:15:49,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:15:49,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:15:49,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:15:49,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:15:49,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:15:49,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:15:49,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 20:15:49,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:15:49,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:15:49,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:15:49,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:15:49,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:15:49,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:15:49,325 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:15:49,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:15:49,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:15:49,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:15:49,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:15:49,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:15:49,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:15:49,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:15:49,329 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:15:49,329 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 20:15:49,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:15:49,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:15:49,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:15:49,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:15:49,330 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:15:49,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:15:49,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:15:49,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:15:49,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:15:49,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:15:49,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:15:49,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:15:49,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:15:49,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:15:49,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:15:49,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:15:49,333 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_fb49e984-823f-4045-a6dd-1e0da83a17a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-10-21 20:15:49,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:15:49,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:15:49,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:15:49,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:15:49,750 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:15:49,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-21 20:15:49,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/89f8c5be4/d929a30b905247a2bd59bcd55806809f/FLAG63f6f3856 [2021-10-21 20:15:50,463 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:15:50,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-21 20:15:50,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/89f8c5be4/d929a30b905247a2bd59bcd55806809f/FLAG63f6f3856 [2021-10-21 20:15:50,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/data/89f8c5be4/d929a30b905247a2bd59bcd55806809f [2021-10-21 20:15:50,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:15:50,733 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:15:50,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:50,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:15:50,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:15:50,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:50" (1/1) ... [2021-10-21 20:15:50,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6ad897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:50, skipping insertion in model container [2021-10-21 20:15:50,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:50" (1/1) ... [2021-10-21 20:15:50,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:15:50,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:15:51,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:51,317 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 20:15:51,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:15:51,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:51,406 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:15:51,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:51,567 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:15:51,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51 WrapperNode [2021-10-21 20:15:51,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:51,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:15:51,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:15:51,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:15:51,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:15:51,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:15:51,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:15:51,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:15:51,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (1/1) ... [2021-10-21 20:15:51,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:15:51,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:51,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:51,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:15:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 20:15:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:15:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 20:15:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 20:15:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 20:15:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 20:15:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 20:15:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 20:15:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 20:15:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 20:15:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 20:15:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 20:15:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 20:15:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 20:15:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 20:15:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 20:15:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 20:15:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 20:15:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 20:15:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 20:15:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 20:15:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 20:15:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 20:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 20:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 20:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 20:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 20:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 20:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 20:15:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 20:15:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 20:15:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 20:15:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 20:15:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 20:15:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 20:15:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 20:15:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2021-10-21 20:15:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2021-10-21 20:15:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 20:15:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 20:15:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 20:15:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 20:15:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 20:15:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 20:15:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 20:15:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 20:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 20:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 20:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 20:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 20:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 20:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 20:15:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 20:15:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 20:15:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 20:15:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 20:15:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 20:15:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 20:15:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 20:15:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 20:15:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 20:15:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 20:15:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 20:15:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 20:15:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 20:15:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 20:15:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 20:15:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 20:15:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 20:15:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 20:15:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 20:15:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 20:15:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 20:15:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 20:15:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 20:15:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 20:15:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 20:15:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 20:15:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 20:15:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 20:15:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 20:15:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 20:15:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 20:15:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 20:15:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 20:15:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 20:15:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 20:15:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 20:15:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 20:15:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 20:15:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 20:15:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 20:15:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 20:15:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 20:15:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 20:15:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 20:15:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 20:15:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 20:15:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 20:15:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 20:15:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 20:15:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 20:15:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 20:15:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 20:15:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 20:15:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 20:15:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 20:15:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 20:15:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 20:15:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 20:15:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 20:15:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 20:15:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 20:15:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 20:15:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 20:15:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 20:15:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 20:15:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 20:15:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 20:15:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 20:15:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 20:15:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 20:15:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 20:15:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 20:15:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 20:15:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 20:15:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 20:15:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 20:15:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 20:15:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 20:15:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 20:15:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 20:15:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 20:15:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 20:15:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 20:15:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 20:15:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 20:15:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 20:15:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 20:15:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 20:15:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 20:15:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 20:15:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 20:15:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 20:15:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 20:15:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 20:15:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 20:15:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 20:15:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 20:15:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 20:15:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 20:15:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 20:15:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 20:15:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 20:15:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 20:15:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 20:15:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 20:15:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:15:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 20:15:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 20:15:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 20:15:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:15:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 20:15:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 20:15:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 20:15:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:15:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 20:15:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 20:15:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 20:15:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 20:15:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 20:15:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 20:15:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:15:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 20:15:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 20:15:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 20:15:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 20:15:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 20:15:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:15:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:15:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 20:15:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 20:15:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 20:15:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 20:15:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 20:15:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 20:15:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 20:15:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 20:15:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 20:15:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 20:15:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 20:15:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2021-10-21 20:15:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2021-10-21 20:15:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 20:15:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 20:15:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 20:15:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:15:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:15:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:15:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 20:15:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:15:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 20:15:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 20:15:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 20:15:52,524 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:15:52,909 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:15:53,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:15:53,199 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 20:15:53,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:53 BoogieIcfgContainer [2021-10-21 20:15:53,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:15:53,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:15:53,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:15:53,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:15:53,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:15:50" (1/3) ... [2021-10-21 20:15:53,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a54cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:15:53, skipping insertion in model container [2021-10-21 20:15:53,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:51" (2/3) ... [2021-10-21 20:15:53,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a54cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:15:53, skipping insertion in model container [2021-10-21 20:15:53,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:53" (3/3) ... [2021-10-21 20:15:53,213 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2021-10-21 20:15:53,219 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:15:53,219 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 20:15:53,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:15:53,283 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 20:15:53,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 20:15:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-21 20:15:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 20:15:53,329 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:53,330 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:53,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_16Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:15:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:53,349 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2021-10-21 20:15:53,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:53,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237417103] [2021-10-21 20:15:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:53,364 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:53,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:53,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:15:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:53,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:15:53,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:53,800 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 20:15:53,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:53,985 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 20:15:53,986 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:53,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237417103] [2021-10-21 20:15:53,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237417103] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:53,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:53,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-21 20:15:53,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73274062] [2021-10-21 20:15:54,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:15:54,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:54,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:15:54,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:15:54,020 INFO L87 Difference]: Start difference. First operand has 106 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:15:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:54,111 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-21 20:15:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:15:54,113 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-21 20:15:54,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:54,121 INFO L225 Difference]: With dead ends: 35 [2021-10-21 20:15:54,122 INFO L226 Difference]: Without dead ends: 32 [2021-10-21 20:15:54,123 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.0ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:15:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-21 20:15:54,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-21 20:15:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-21 20:15:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-10-21 20:15:54,159 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2021-10-21 20:15:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:54,159 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-10-21 20:15:54,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:15:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-10-21 20:15:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 20:15:54,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:54,161 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:54,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:54,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_16Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:15:54,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:54,374 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2021-10-21 20:15:54,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:54,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883137533] [2021-10-21 20:15:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:54,375 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:54,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:54,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:15:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:54,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 20:15:54,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:54,938 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 20:15:54,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:55,337 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 20:15:55,337 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:55,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883137533] [2021-10-21 20:15:55,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883137533] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:55,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:55,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-10-21 20:15:55,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065590236] [2021-10-21 20:15:55,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 20:15:55,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:55,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 20:15:55,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-21 20:15:55,341 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 20:15:55,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:55,756 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-10-21 20:15:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-21 20:15:55,757 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 23 [2021-10-21 20:15:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:55,760 INFO L225 Difference]: With dead ends: 48 [2021-10-21 20:15:55,760 INFO L226 Difference]: Without dead ends: 48 [2021-10-21 20:15:55,761 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 411.4ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-10-21 20:15:55,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-21 20:15:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2021-10-21 20:15:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-21 20:15:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2021-10-21 20:15:55,768 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2021-10-21 20:15:55,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:55,768 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2021-10-21 20:15:55,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 20:15:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-10-21 20:15:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:15:55,770 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:55,770 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:55,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:55,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:55,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:15:55,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:55,982 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2021-10-21 20:15:55,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:55,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696358960] [2021-10-21 20:15:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:55,983 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:55,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:55,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 20:15:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:56,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 20:15:56,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:56,263 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 20:15:56,394 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 20:15:56,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:56,592 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 20:15:56,592 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:56,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696358960] [2021-10-21 20:15:56,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696358960] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:56,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:56,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-21 20:15:56,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064113602] [2021-10-21 20:15:56,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:15:56,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:56,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:15:56,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:15:56,597 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:15:56,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:56,736 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2021-10-21 20:15:56,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:15:56,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-10-21 20:15:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:56,738 INFO L225 Difference]: With dead ends: 47 [2021-10-21 20:15:56,738 INFO L226 Difference]: Without dead ends: 47 [2021-10-21 20:15:56,738 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 98.9ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:15:56,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-21 20:15:56,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-10-21 20:15:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-10-21 20:15:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-10-21 20:15:56,755 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2021-10-21 20:15:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:56,759 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-10-21 20:15:56,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:15:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-10-21 20:15:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:15:56,762 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:56,762 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:56,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-21 20:15:56,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:56,975 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:15:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,976 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2021-10-21 20:15:56,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:56,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819357816] [2021-10-21 20:15:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,977 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:56,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:56,979 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:56,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 20:15:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:57,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:15:57,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:57,300 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 20:15:57,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:15:57,422 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 20:15:57,422 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:15:57,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819357816] [2021-10-21 20:15:57,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819357816] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:57,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:57,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-21 20:15:57,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124080491] [2021-10-21 20:15:57,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:15:57,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:15:57,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:15:57,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:15:57,424 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:15:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:57,490 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-10-21 20:15:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:15:57,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-10-21 20:15:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:15:57,492 INFO L225 Difference]: With dead ends: 48 [2021-10-21 20:15:57,492 INFO L226 Difference]: Without dead ends: 48 [2021-10-21 20:15:57,493 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 51.5ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:15:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-21 20:15:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2021-10-21 20:15:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-21 20:15:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-10-21 20:15:57,497 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2021-10-21 20:15:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:15:57,498 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-10-21 20:15:57,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:15:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-10-21 20:15:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 20:15:57,499 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:15:57,499 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:57,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:57,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:57,700 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 20:15:57,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:57,700 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2021-10-21 20:15:57,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:15:57,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254739389] [2021-10-21 20:15:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:57,701 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:15:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:15:57,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:15:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 20:15:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:57,900 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:57,974 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 20:15:57,974 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:15:57,975 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 20:15:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 20:15:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 20:15:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 20:15:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 20:15:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 20:15:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 20:15:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 20:15:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 20:15:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 20:15:57,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 20:15:57,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 20:15:57,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 20:15:57,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 20:15:58,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 20:15:58,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 20:15:58,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 20:15:58,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 20:15:58,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 20:15:58,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:15:58,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:58,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:15:58,214 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:15:58,223 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-21 20:15:58,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:15:58 BoogieIcfgContainer [2021-10-21 20:15:58,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:15:58,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:15:58,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:15:58,237 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:15:58,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:53" (3/4) ... [2021-10-21 20:15:58,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:15:58,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:15:58,251 INFO L168 Benchmark]: Toolchain (without parser) took 7516.32 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 41.2 MB in the beginning and 70.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:58,251 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:15:58,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.65 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 29.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:58,252 INFO L168 Benchmark]: Boogie Preprocessor took 152.05 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 25.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:58,252 INFO L168 Benchmark]: RCFGBuilder took 1481.05 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 25.1 MB in the beginning and 38.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:58,253 INFO L168 Benchmark]: TraceAbstraction took 5030.90 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 37.9 MB in the beginning and 70.1 MB in the end (delta: -32.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:58,253 INFO L168 Benchmark]: Witness Printer took 12.75 ms. Allocated memory is still 98.6 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:15:58,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 832.65 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 29.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.05 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 25.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1481.05 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 25.1 MB in the beginning and 38.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5030.90 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 37.9 MB in the beginning and 70.1 MB in the end (delta: -32.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * Witness Printer took 12.75 ms. Allocated memory is still 98.6 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L775] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={-2147483648:0}] [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L771] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={-2147483648:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L765] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, p={1:0}] [L772] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L775] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 4938.1ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 39.1ms, AutomataDifference: 753.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 124 SDtfs, 86 SDslu, 746 SDs, 0 SdLazy, 393 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 400.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 623.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 48.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 56.4ms SsaConstructionTime, 143.2ms SatisfiabilityAnalysisTime, 1824.6ms InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 9 NumberOfNonLiveVariables, 343 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:15:58,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb49e984-823f-4045-a6dd-1e0da83a17a9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...