./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 ................................................................................................................................... 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_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:45:56,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:45:56,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:45:56,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:45:56,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:45:56,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:45:56,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:45:56,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:45:56,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:45:56,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:45:56,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:45:56,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:45:56,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:45:56,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:45:56,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:45:56,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:45:56,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:45:56,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:45:56,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:45:56,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:45:56,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:45:56,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:45:56,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:45:56,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:45:56,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:45:56,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:45:56,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:45:56,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:45:56,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:45:56,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:45:56,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:45:56,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:45:56,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:45:56,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:45:56,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:45:56,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:45:56,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:45:56,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:45:56,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:45:56,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:45:56,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:45:56,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:45:56,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:45:56,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:45:56,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:45:56,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:45:56,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:45:56,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:45:56,981 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:45:56,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:45:56,981 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:45:56,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:45:56,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:45:56,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:45:56,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:45:56,983 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:45:56,983 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:45:56,983 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:45:56,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:45:56,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:45:56,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:45:56,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:45:56,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:45:56,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:45:56,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:45:56,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:45:56,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:45:56,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:45:56,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:45:56,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:45:56,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:45:56,986 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_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-21 19:45:57,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:45:57,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:45:57,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:45:57,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:45:57,357 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:45:57,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-21 19:45:57,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/eb95cec46/b29328265f834d74b81b6ebb8e9bb019/FLAGd3e46a60c [2021-10-21 19:45:58,064 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:45:58,065 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-21 19:45:58,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/eb95cec46/b29328265f834d74b81b6ebb8e9bb019/FLAGd3e46a60c [2021-10-21 19:45:58,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/eb95cec46/b29328265f834d74b81b6ebb8e9bb019 [2021-10-21 19:45:58,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:45:58,337 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:45:58,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:45:58,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:45:58,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:45:58,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:45:58" (1/1) ... [2021-10-21 19:45:58,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6134cff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:58, skipping insertion in model container [2021-10-21 19:45:58,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:45:58" (1/1) ... [2021-10-21 19:45:58,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:45:58,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:45:58,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:45:58,873 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-21 19:45:58,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cbc8935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:58, skipping insertion in model container [2021-10-21 19:45:58,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:45:58,875 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:45:58,877 INFO L168 Benchmark]: Toolchain (without parser) took 539.09 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 110.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:58,879 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:45:58,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.91 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 110.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:58,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.91 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 110.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:46:01,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:46:01,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:46:01,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:46:01,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:46:01,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:46:01,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:46:01,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:46:01,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:46:01,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:46:01,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:46:01,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:46:01,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:46:01,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:46:01,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:46:01,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:46:01,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:46:01,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:46:01,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:46:01,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:46:01,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:46:01,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:46:01,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:46:01,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:46:01,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:46:01,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:46:01,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:46:01,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:46:01,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:46:01,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:46:01,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:46:01,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:46:01,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:46:01,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:46:01,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:46:01,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:46:01,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:46:01,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:46:01,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:46:01,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:46:01,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:46:01,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:46:01,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:46:01,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:46:01,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:46:01,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:46:01,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:46:01,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:46:01,704 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:46:01,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:46:01,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:46:01,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:46:01,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:46:01,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:46:01,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:46:01,709 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:46:01,709 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:46:01,709 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:46:01,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:46:01,710 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:46:01,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:46:01,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:46:01,711 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:46:01,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:46:01,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:46:01,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:46:01,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:46:01,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:46:01,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:46:01,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:46:01,714 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:46:01,715 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:46:01,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:46:01,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:46:01,716 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_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-21 19:46:02,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:46:02,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:46:02,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:46:02,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:46:02,279 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:46:02,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-21 19:46:02,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/3dab4104c/f56a26c2ab44461e91e94a1adec0b21b/FLAGdf9ecffac [2021-10-21 19:46:03,134 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:46:03,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-21 19:46:03,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/3dab4104c/f56a26c2ab44461e91e94a1adec0b21b/FLAGdf9ecffac [2021-10-21 19:46:03,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/data/3dab4104c/f56a26c2ab44461e91e94a1adec0b21b [2021-10-21 19:46:03,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:46:03,375 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:46:03,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:03,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:46:03,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:46:03,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb0cb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03, skipping insertion in model container [2021-10-21 19:46:03,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:46:03,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:46:04,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:04,110 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:46:04,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:46:04,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:04,241 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:46:04,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:04,391 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:46:04,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04 WrapperNode [2021-10-21 19:46:04,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:04,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:46:04,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:46:04,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:46:04,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:46:04,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:46:04,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:46:04,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:46:04,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (1/1) ... [2021-10-21 19:46:04,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:46:04,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:04,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:46:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:46:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:46:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:46:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:46:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:46:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:46:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:46:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:46:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2021-10-21 19:46:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-10-21 19:46:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:46:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:46:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:46:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:46:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:46:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:46:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:46:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:46:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:46:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:46:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:46:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:46:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:46:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:46:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:46:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:46:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:46:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:46:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:46:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:46:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:46:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:46:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:46:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:46:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:46:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:46:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:46:04,761 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:46:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:46:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:46:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:46:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:46:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:46:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:46:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:46:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:46:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:46:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:46:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:46:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:46:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:46:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:46:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:46:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:46:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:46:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:46:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:46:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:46:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:46:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:46:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:46:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:46:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:46:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:46:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:46:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:46:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:46:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:46:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:46:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:46:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:46:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:46:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:46:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:46:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:46:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:46:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:46:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:46:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:46:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:46:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:46:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:46:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:46:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:46:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:46:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:46:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:46:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:46:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:46:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:46:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:46:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:46:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:46:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:46:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:46:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:46:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:46:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:46:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:46:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:46:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:46:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:46:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:46:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:46:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:46:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:46:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:46:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:46:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:46:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:46:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:46:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:46:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:46:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2021-10-21 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-10-21 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:46:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:46:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:46:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:46:05,566 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:46:06,083 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:46:06,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:46:06,450 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:46:06,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:06 BoogieIcfgContainer [2021-10-21 19:46:06,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:46:06,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:46:06,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:46:06,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:46:06,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:46:03" (1/3) ... [2021-10-21 19:46:06,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356891ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:46:06, skipping insertion in model container [2021-10-21 19:46:06,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:04" (2/3) ... [2021-10-21 19:46:06,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356891ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:46:06, skipping insertion in model container [2021-10-21 19:46:06,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:06" (3/3) ... [2021-10-21 19:46:06,480 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-10-21 19:46:06,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:46:06,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 19:46:06,625 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:46:06,632 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:46:06,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 19:46:06,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-21 19:46:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:46:06,662 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:06,663 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:06,664 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:46:06,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash -2083159501, now seen corresponding path program 1 times [2021-10-21 19:46:06,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:46:06,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844532938] [2021-10-21 19:46:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:06,702 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:46:06,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:46:06,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:46:06,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:46:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:07,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:46:07,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:07,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:46:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:07,344 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:46:07,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844532938] [2021-10-21 19:46:07,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844532938] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:07,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:07,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-21 19:46:07,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731864927] [2021-10-21 19:46:07,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:46:07,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:46:07,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:46:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:46:07,382 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 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 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-21 19:46:07,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:07,430 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-10-21 19:46:07,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:46:07,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2021-10-21 19:46:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:07,443 INFO L225 Difference]: With dead ends: 25 [2021-10-21 19:46:07,443 INFO L226 Difference]: Without dead ends: 22 [2021-10-21 19:46:07,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.4ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:46:07,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-21 19:46:07,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-21 19:46:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-21 19:46:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-10-21 19:46:07,484 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2021-10-21 19:46:07,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:46:07,485 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-10-21 19:46:07,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-21 19:46:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-10-21 19:46:07,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:46:07,487 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:07,487 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:07,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-21 19:46:07,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:46:07,701 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:46:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash -461173850, now seen corresponding path program 1 times [2021-10-21 19:46:07,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:46:07,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485960286] [2021-10-21 19:46:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:07,705 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:46:07,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:46:07,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:46:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:07,923 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,000 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:46:08,001 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:46:08,003 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:46:08,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:46:08,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:46:08,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:46:08,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:46:08,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:46:08,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:46:08,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:46:08,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:46:08,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:46:08,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:46:08,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:46:08,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:46:08,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:46:08,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:08,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:46:08,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:46:08,260 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-21 19:46:08,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:46:08 BoogieIcfgContainer [2021-10-21 19:46:08,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:46:08,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:46:08,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:46:08,293 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:46:08,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:06" (3/4) ... [2021-10-21 19:46:08,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:46:08,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:46:08,302 INFO L168 Benchmark]: Toolchain (without parser) took 4925.20 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.6 MB in the beginning and 34.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:08,303 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 60.8 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:46:08,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1016.34 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 27.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:08,305 INFO L168 Benchmark]: Boogie Preprocessor took 219.83 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 27.2 MB in the beginning and 60.2 MB in the end (delta: -33.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:08,308 INFO L168 Benchmark]: RCFGBuilder took 1855.95 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 36.9 MB in the end (delta: 23.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:08,316 INFO L168 Benchmark]: TraceAbstraction took 1818.76 ms. Allocated memory is still 79.7 MB. Free memory was 36.5 MB in the beginning and 35.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:08,317 INFO L168 Benchmark]: Witness Printer took 6.43 ms. Allocated memory is still 79.7 MB. Free memory was 35.3 MB in the beginning and 34.8 MB in the end (delta: 478.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:46:08,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 60.8 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1016.34 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 27.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 219.83 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 27.2 MB in the beginning and 60.2 MB in the end (delta: -33.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1855.95 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 36.9 MB in the end (delta: 23.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1818.76 ms. Allocated memory is still 79.7 MB. Free memory was 36.5 MB in the beginning and 35.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. * Witness Printer took 6.43 ms. Allocated memory is still 79.7 MB. Free memory was 35.3 MB in the beginning and 34.8 MB in the end (delta: 478.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L773] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, probe_9_2()=3] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L770] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L773] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 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: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: 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, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1623.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 15.5ms, AutomataDifference: 83.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 6 SDslu, 85 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 22.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.9ms SsaConstructionTime, 89.3ms SatisfiabilityAnalysisTime, 350.9ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 19:46:08,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ba3ab8-34f3-4e18-922e-ef535075c10d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...