./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b2eff8b [2021-10-28 22:56:40,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:56:40,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:56:40,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:56:40,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:56:40,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:56:40,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:56:40,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:56:40,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:56:40,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:56:40,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:56:40,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:56:40,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:56:40,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:56:40,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:56:40,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:56:40,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:56:40,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:56:40,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:56:40,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:56:40,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:56:40,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:56:40,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:56:40,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:56:40,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:56:40,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:56:40,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:56:40,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:56:40,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:56:40,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:56:40,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:56:40,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:56:40,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:56:40,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:56:40,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:56:40,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:56:40,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:56:40,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:56:40,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:56:40,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:56:40,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:56:40,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 22:56:40,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:56:40,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:56:40,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:56:40,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:56:40,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:56:40,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:56:40,925 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:56:40,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:56:40,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:56:40,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:56:40,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:56:40,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:56:40,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:56:40,926 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 22:56:40,926 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 22:56:40,926 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 22:56:40,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:56:40,927 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 22:56:40,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:56:40,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:56:40,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:56:40,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:56:40,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:56:40,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:40,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:56:40,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:56:40,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:56:40,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:56:40,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:56:40,929 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_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-10-28 22:56:41,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:56:41,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:56:41,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:56:41,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:56:41,237 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:56:41,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-28 22:56:41,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/caaa73332/eaaf4746eb1742dfbfda2e93ff686caa/FLAGef7da93c6 [2021-10-28 22:56:41,942 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:56:41,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-28 22:56:41,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/caaa73332/eaaf4746eb1742dfbfda2e93ff686caa/FLAGef7da93c6 [2021-10-28 22:56:42,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/caaa73332/eaaf4746eb1742dfbfda2e93ff686caa [2021-10-28 22:56:42,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:56:42,194 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 22:56:42,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:42,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:56:42,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:56:42,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:42" (1/1) ... [2021-10-28 22:56:42,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270d180f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:42, skipping insertion in model container [2021-10-28 22:56:42,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:42" (1/1) ... [2021-10-28 22:56:42,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:56:42,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:42,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:42,705 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 22:56:42,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4508bc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:42, skipping insertion in model container [2021-10-28 22:56:42,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:42,707 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 22:56:42,709 INFO L168 Benchmark]: Toolchain (without parser) took 514.20 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 109.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:42,710 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:56:42,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.17 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 109.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:42,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.17 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 109.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:56:45,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:56:45,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:56:45,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:56:45,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:56:45,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:56:45,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:56:45,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:56:45,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:56:45,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:56:45,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:56:45,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:56:45,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:56:45,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:56:45,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:56:45,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:56:45,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:56:45,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:56:45,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:56:45,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:56:45,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:56:45,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:56:45,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:56:45,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:56:45,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:56:45,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:56:45,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:56:45,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:56:45,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:56:45,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:56:45,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:56:45,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:56:45,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:56:45,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:56:45,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:56:45,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:56:45,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:56:45,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:56:45,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:56:45,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:56:45,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:56:45,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 22:56:45,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:56:45,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:56:45,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:56:45,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:56:45,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:56:45,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:56:45,209 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:56:45,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:56:45,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:56:45,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:56:45,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:56:45,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:56:45,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:56:45,212 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 22:56:45,212 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 22:56:45,212 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 22:56:45,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:56:45,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 22:56:45,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 22:56:45,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 22:56:45,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:56:45,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:56:45,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:56:45,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:56:45,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:56:45,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:45,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:56:45,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:56:45,216 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 22:56:45,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 22:56:45,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:56:45,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 22:56:45,217 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_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-10-28 22:56:45,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:56:45,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:56:45,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:56:45,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:56:45,648 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:56:45,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-28 22:56:45,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/ffe6c72b6/060b3cb1c305431781672274293e12d2/FLAG36f644a86 [2021-10-28 22:56:46,430 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:56:46,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-28 22:56:46,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/ffe6c72b6/060b3cb1c305431781672274293e12d2/FLAG36f644a86 [2021-10-28 22:56:46,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/data/ffe6c72b6/060b3cb1c305431781672274293e12d2 [2021-10-28 22:56:46,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:56:46,648 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 22:56:46,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:46,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:56:46,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:56:46,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:46" (1/1) ... [2021-10-28 22:56:46,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5b4e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:46, skipping insertion in model container [2021-10-28 22:56:46,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:46" (1/1) ... [2021-10-28 22:56:46,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:56:46,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:47,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:47,191 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 22:56:47,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:47,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:47,306 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:56:47,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:47,466 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:56:47,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47 WrapperNode [2021-10-28 22:56:47,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:47,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:56:47,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:56:47,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:56:47,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:56:47,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:56:47,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:56:47,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:56:47,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:47,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:47,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:56:47,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:56:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 22:56:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:56:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 22:56:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 22:56:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 22:56:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 22:56:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 22:56:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 22:56:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 22:56:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 22:56:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 22:56:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 22:56:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 22:56:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 22:56:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 22:56:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 22:56:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 22:56:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 22:56:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 22:56:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 22:56:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 22:56:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 22:56:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 22:56:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 22:56:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 22:56:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 22:56:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 22:56:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 22:56:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 22:56:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 22:56:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 22:56:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 22:56:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 22:56:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 22:56:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 22:56:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 22:56:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 22:56:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 22:56:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 22:56:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 22:56:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 22:56:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 22:56:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 22:56:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 22:56:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 22:56:48,226 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:56:48,691 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:56:49,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:56:49,066 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 22:56:49,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:49 BoogieIcfgContainer [2021-10-28 22:56:49,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:56:49,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:56:49,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:56:49,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:56:49,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:56:46" (1/3) ... [2021-10-28 22:56:49,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86a7c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:49, skipping insertion in model container [2021-10-28 22:56:49,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:47" (2/3) ... [2021-10-28 22:56:49,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86a7c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:49, skipping insertion in model container [2021-10-28 22:56:49,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:49" (3/3) ... [2021-10-28 22:56:49,085 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2021-10-28 22:56:49,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:56:49,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 22:56:49,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:56:49,161 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:56:49,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 22:56:49,178 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) [2021-10-28 22:56:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 22:56:49,202 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:49,203 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:49,203 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)] === [2021-10-28 22:56:49,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2021-10-28 22:56:49,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:56:49,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778194319] [2021-10-28 22:56:49,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:49,225 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:56:49,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:56:49,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:56:49,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 22:56:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:49,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 22:56:49,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:49,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:56:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:49,880 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:56:49,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778194319] [2021-10-28 22:56:49,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778194319] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:49,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:49,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 22:56:49,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554992205] [2021-10-28 22:56:49,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 22:56:49,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:56:49,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:56:49,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:49,914 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) [2021-10-28 22:56:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:50,001 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-28 22:56:50,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:56:50,003 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 [2021-10-28 22:56:50,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:50,011 INFO L225 Difference]: With dead ends: 35 [2021-10-28 22:56:50,011 INFO L226 Difference]: Without dead ends: 32 [2021-10-28 22:56:50,013 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:56:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-28 22:56:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-28 22:56:50,047 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) [2021-10-28 22:56:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-10-28 22:56:50,051 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2021-10-28 22:56:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:50,052 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-10-28 22:56:50,052 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) [2021-10-28 22:56:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-10-28 22:56:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 22:56:50,054 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:50,054 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:50,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:50,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:56:50,276 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)] === [2021-10-28 22:56:50,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2021-10-28 22:56:50,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:56:50,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698823945] [2021-10-28 22:56:50,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:50,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:56:50,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:56:50,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:56:50,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 22:56:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:50,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:56:50,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:50,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:56:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:51,285 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:56:51,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698823945] [2021-10-28 22:56:51,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698823945] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:51,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:51,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-10-28 22:56:51,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46642548] [2021-10-28 22:56:51,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-28 22:56:51,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:56:51,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 22:56:51,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-28 22:56:51,288 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) [2021-10-28 22:56:51,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:51,734 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-10-28 22:56:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 22:56:51,741 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 [2021-10-28 22:56:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:51,744 INFO L225 Difference]: With dead ends: 48 [2021-10-28 22:56:51,744 INFO L226 Difference]: Without dead ends: 48 [2021-10-28 22:56:51,745 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-10-28 22:56:51,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-28 22:56:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2021-10-28 22:56:51,750 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) [2021-10-28 22:56:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2021-10-28 22:56:51,752 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2021-10-28 22:56:51,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:51,752 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2021-10-28 22:56:51,752 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) [2021-10-28 22:56:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-10-28 22:56:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:56:51,754 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:51,754 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:51,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:51,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:56:51,965 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)] === [2021-10-28 22:56:51,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2021-10-28 22:56:51,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:56:51,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514679594] [2021-10-28 22:56:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:51,967 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:56:51,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:56:51,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:56:51,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 22:56:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:56:52,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:52,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 22:56:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:52,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:56:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:52,546 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:56:52,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514679594] [2021-10-28 22:56:52,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514679594] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 22:56:52,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840392233] [2021-10-28 22:56:52,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 22:56:52,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:56:52,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:56:52,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:52,552 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) [2021-10-28 22:56:52,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,687 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2021-10-28 22:56:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:56:52,688 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 [2021-10-28 22:56:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,690 INFO L225 Difference]: With dead ends: 47 [2021-10-28 22:56:52,690 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 22:56:52,690 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:56:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 22:56:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-10-28 22:56:52,698 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) [2021-10-28 22:56:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-10-28 22:56:52,700 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2021-10-28 22:56:52,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,701 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-10-28 22:56:52,701 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) [2021-10-28 22:56:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-10-28 22:56:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:56:52,703 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,703 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:52,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:56:52,915 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)] === [2021-10-28 22:56:52,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2021-10-28 22:56:52,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:56:52,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675006614] [2021-10-28 22:56:52,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,916 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:56:52,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:56:52,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:56:52,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 22:56:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 22:56:53,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:53,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:56:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:53,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:56:53,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675006614] [2021-10-28 22:56:53,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675006614] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-28 22:56:53,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509960137] [2021-10-28 22:56:53,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 22:56:53,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:56:53,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:56:53,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:53,389 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) [2021-10-28 22:56:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,462 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-10-28 22:56:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:56:53,463 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 [2021-10-28 22:56:53,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,464 INFO L225 Difference]: With dead ends: 48 [2021-10-28 22:56:53,464 INFO L226 Difference]: Without dead ends: 48 [2021-10-28 22:56:53,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:56:53,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-28 22:56:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2021-10-28 22:56:53,471 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) [2021-10-28 22:56:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-10-28 22:56:53,472 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2021-10-28 22:56:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,472 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-10-28 22:56:53,473 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) [2021-10-28 22:56:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-10-28 22:56:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 22:56:53,475 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,476 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:53,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:56:53,687 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)] === [2021-10-28 22:56:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,688 INFO L85 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2021-10-28 22:56:53,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:56:53,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622561826] [2021-10-28 22:56:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,688 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:56:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:56:53,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:56:53,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 22:56:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:56:53,900 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:56:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:56:53,958 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 22:56:53,959 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:56:53,960 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 22:56:53,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 22:56:53,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 22:56:53,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 22:56:53,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 22:56:53,965 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,966 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 22:56:53,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 22:56:53,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 22:56:53,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 22:56:53,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 22:56:53,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 22:56:53,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 22:56:53,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 22:56:53,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:56:53,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:54,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:56:54,192 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 22:56:54,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:56:54,201 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 22:56:54,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:56:54 BoogieIcfgContainer [2021-10-28 22:56:54,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:56:54,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:56:54,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:56:54,215 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:56:54,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:49" (3/4) ... [2021-10-28 22:56:54,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:56:54,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:56:54,221 INFO L168 Benchmark]: Toolchain (without parser) took 7572.19 ms. Allocated memory was 52.4 MB in the beginning and 96.5 MB in the end (delta: 44.0 MB). Free memory was 28.0 MB in the beginning and 51.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:54,222 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:56:54,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.51 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 41.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:54,223 INFO L168 Benchmark]: Boogie Preprocessor took 111.32 ms. Allocated memory is still 65.0 MB. Free memory was 41.2 MB in the beginning and 36.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:54,224 INFO L168 Benchmark]: RCFGBuilder took 1475.13 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 36.4 MB in the beginning and 44.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:54,225 INFO L168 Benchmark]: TraceAbstraction took 5140.96 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.0 MB in the beginning and 51.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:54,225 INFO L168 Benchmark]: Witness Printer took 4.73 ms. Allocated memory is still 96.5 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:56:54,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 814.51 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 41.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.32 ms. Allocated memory is still 65.0 MB. Free memory was 41.2 MB in the beginning and 36.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1475.13 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 36.4 MB in the beginning and 44.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5140.96 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.0 MB in the beginning and 51.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.73 ms. Allocated memory is still 96.5 MB. Free memory is still 51.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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: 5.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 86 SDslu, 746 SDs, 0 SdLazy, 393 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s 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 [2021-10-28 22:56:54,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d48313b-2670-43a7-8740-e7a806840bcd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...