./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt --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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ................................................................................................................................... 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_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt --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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:24:11,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:24:11,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:24:11,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:24:11,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:24:11,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:24:11,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:24:11,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:24:11,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:24:11,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:24:11,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:24:11,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:24:11,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:24:11,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:24:11,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:24:11,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:24:11,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:24:11,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:24:11,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:24:11,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:24:11,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:24:11,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:24:11,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:24:11,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:24:11,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:24:11,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:24:11,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:24:11,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:24:11,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:24:11,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:24:11,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:24:11,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:24:11,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:24:11,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:24:11,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:24:11,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:24:11,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:24:11,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:24:11,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:24:11,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:24:11,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:24:11,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 01:24:11,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:24:11,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:24:11,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:24:11,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:24:11,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:24:11,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:24:11,640 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:24:11,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:24:11,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:24:11,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:24:11,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:24:11,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:24:11,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:24:11,642 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:24:11,642 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:24:11,643 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:24:11,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:24:11,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:24:11,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:24:11,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:24:11,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:24:11,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:24:11,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:24:11,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:24:11,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:24:11,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:24:11,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:24:11,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:24:11,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:24:11,647 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_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2021-10-13 01:24:11,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:24:11,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:24:11,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:24:11,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:24:11,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:24:11,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-13 01:24:12,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/2b59aaa4b/28740bb1d7574f16a1de3ae1b26b296c/FLAG6290b13c3 [2021-10-13 01:24:12,605 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:24:12,610 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-13 01:24:12,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/2b59aaa4b/28740bb1d7574f16a1de3ae1b26b296c/FLAG6290b13c3 [2021-10-13 01:24:12,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/2b59aaa4b/28740bb1d7574f16a1de3ae1b26b296c [2021-10-13 01:24:12,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:24:12,829 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:24:12,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:24:12,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:24:12,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:24:12,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:12" (1/1) ... [2021-10-13 01:24:12,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550b6c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:12, skipping insertion in model container [2021-10-13 01:24:12,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:12" (1/1) ... [2021-10-13 01:24:12,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:24:12,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:24:13,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:24:13,321 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) [2021-10-13 01:24:13,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f0550aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:13, skipping insertion in model container [2021-10-13 01:24:13,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:24:13,323 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 01:24:13,327 INFO L168 Benchmark]: Toolchain (without parser) took 495.37 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 60.6 MB in the beginning and 77.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,328 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:24:13,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.14 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 60.5 MB in the beginning and 77.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:13,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.14 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 60.5 MB in the beginning and 77.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:24:15,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:24:15,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:24:15,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:24:15,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:24:15,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:24:15,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:24:15,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:24:15,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:24:15,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:24:15,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:24:15,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:24:15,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:24:15,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:24:15,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:24:15,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:24:15,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:24:15,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:24:15,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:24:15,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:24:15,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:24:15,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:24:15,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:24:15,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:24:15,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:24:15,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:24:15,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:24:15,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:24:15,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:24:15,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:24:15,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:24:15,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:24:15,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:24:15,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:24:15,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:24:15,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:24:15,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:24:15,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:24:15,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:24:15,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:24:15,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:24:15,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 01:24:15,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:24:15,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:24:15,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:24:15,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:24:15,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:24:15,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:24:15,948 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:24:15,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:24:15,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:24:15,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:24:15,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:24:15,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:24:15,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:24:15,950 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:24:15,950 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:24:15,950 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:24:15,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:24:15,950 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:24:15,951 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:24:15,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:24:15,960 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:24:15,961 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:24:15,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:24:15,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:24:15,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:24:15,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:24:15,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:24:15,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:24:15,963 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:24:15,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:24:15,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:24:15,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:24:15,964 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_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2021-10-13 01:24:16,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:24:16,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:24:16,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:24:16,436 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:24:16,437 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:24:16,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-13 01:24:16,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/669f0a541/04a9196258f243f6a826891ec294d1d6/FLAGc66cbfa2d [2021-10-13 01:24:17,221 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:24:17,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-13 01:24:17,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/669f0a541/04a9196258f243f6a826891ec294d1d6/FLAGc66cbfa2d [2021-10-13 01:24:17,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/data/669f0a541/04a9196258f243f6a826891ec294d1d6 [2021-10-13 01:24:17,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:24:17,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:24:17,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:24:17,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:24:17,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:24:17,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:17" (1/1) ... [2021-10-13 01:24:17,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353b5af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:17, skipping insertion in model container [2021-10-13 01:24:17,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:17" (1/1) ... [2021-10-13 01:24:17,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:24:17,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:24:17,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:24:17,993 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 01:24:18,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:24:18,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:24:18,058 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:24:18,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:24:18,151 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:24:18,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18 WrapperNode [2021-10-13 01:24:18,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:24:18,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:24:18,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:24:18,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:24:18,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:24:18,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:24:18,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:24:18,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:24:18,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (1/1) ... [2021-10-13 01:24:18,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:24:18,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:24:18,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:24:18,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:24:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 01:24:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:24:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 01:24:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 01:24:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 01:24:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 01:24:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 01:24:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 01:24:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 01:24:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 01:24:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 01:24:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 01:24:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 01:24:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 01:24:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 01:24:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 01:24:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 01:24:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 01:24:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 01:24:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 01:24:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 01:24:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 01:24:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 01:24:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 01:24:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 01:24:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 01:24:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 01:24:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 01:24:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 01:24:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 01:24:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 01:24:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 01:24:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 01:24:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 01:24:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 01:24:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 01:24:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 01:24:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 01:24:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 01:24:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 01:24:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 01:24:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 01:24:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2021-10-13 01:24:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2021-10-13 01:24:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2021-10-13 01:24:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2021-10-13 01:24:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 01:24:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 01:24:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 01:24:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 01:24:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 01:24:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 01:24:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 01:24:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 01:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 01:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 01:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 01:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 01:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 01:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 01:24:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 01:24:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 01:24:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 01:24:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 01:24:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 01:24:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 01:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 01:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 01:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 01:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 01:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 01:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 01:24:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 01:24:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 01:24:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 01:24:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 01:24:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 01:24:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 01:24:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 01:24:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 01:24:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 01:24:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 01:24:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 01:24:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 01:24:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 01:24:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 01:24:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 01:24:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 01:24:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 01:24:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 01:24:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 01:24:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 01:24:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 01:24:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 01:24:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 01:24:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 01:24:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 01:24:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 01:24:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 01:24:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 01:24:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 01:24:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 01:24:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 01:24:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 01:24:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 01:24:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 01:24:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 01:24:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 01:24:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 01:24:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 01:24:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 01:24:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 01:24:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 01:24:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 01:24:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 01:24:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 01:24:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 01:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 01:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 01:24:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 01:24:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 01:24:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 01:24:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 01:24:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 01:24:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 01:24:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 01:24:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 01:24:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 01:24:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 01:24:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 01:24:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 01:24:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 01:24:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 01:24:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 01:24:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 01:24:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 01:24:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 01:24:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 01:24:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 01:24:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 01:24:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 01:24:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:24:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 01:24:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 01:24:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 01:24:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:24:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 01:24:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 01:24:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 01:24:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 01:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 01:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 01:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 01:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 01:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 01:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 01:24:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 01:24:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 01:24:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 01:24:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 01:24:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 01:24:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 01:24:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 01:24:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 01:24:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 01:24:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 01:24:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 01:24:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 01:24:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 01:24:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:24:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:24:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:24:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 01:24:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 01:24:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 01:24:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 01:24:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 01:24:19,103 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 01:24:19,555 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 01:24:19,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:24:19,846 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 01:24:19,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:24:19 BoogieIcfgContainer [2021-10-13 01:24:19,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:24:19,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:24:19,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:24:19,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:24:19,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:24:17" (1/3) ... [2021-10-13 01:24:19,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b93221d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:24:19, skipping insertion in model container [2021-10-13 01:24:19,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:18" (2/3) ... [2021-10-13 01:24:19,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b93221d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:24:19, skipping insertion in model container [2021-10-13 01:24:19,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:24:19" (3/3) ... [2021-10-13 01:24:19,858 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2021-10-13 01:24:19,863 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:24:19,863 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-10-13 01:24:19,908 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:24:19,913 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, mConcurrency=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 [2021-10-13 01:24:19,913 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-10-13 01:24:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 54 states have (on average 1.462962962962963) internal successors, (79), 73 states have internal predecessors, (79), 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) [2021-10-13 01:24:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:24:19,937 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:24:19,938 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] [2021-10-13 01:24:19,938 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 01:24:19,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:19,944 INFO L82 PathProgramCache]: Analyzing trace with hash 497967623, now seen corresponding path program 1 times [2021-10-13 01:24:19,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:24:19,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816307975] [2021-10-13 01:24:19,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:19,957 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:24:19,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:24:19,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:24:20,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 01:24:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:20,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:24:20,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:20,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:24:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:20,548 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:24:20,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816307975] [2021-10-13 01:24:20,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816307975] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:24:20,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:24:20,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 01:24:20,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565017132] [2021-10-13 01:24:20,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:24:20,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:24:20,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:24:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:24:20,580 INFO L87 Difference]: Start difference. First operand has 98 states, 54 states have (on average 1.462962962962963) internal successors, (79), 73 states have internal predecessors, (79), 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 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-13 01:24:20,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:20,620 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-13 01:24:20,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:24:20,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2021-10-13 01:24:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:24:20,633 INFO L225 Difference]: With dead ends: 35 [2021-10-13 01:24:20,633 INFO L226 Difference]: Without dead ends: 32 [2021-10-13 01:24:20,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:24:20,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-13 01:24:20,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2021-10-13 01:24:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-13 01:24:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2021-10-13 01:24:20,673 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2021-10-13 01:24:20,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:24:20,673 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2021-10-13 01:24:20,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-13 01:24:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-10-13 01:24:20,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:24:20,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:24:20,675 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] [2021-10-13 01:24:20,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:20,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:24:20,883 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 67 more)] === [2021-10-13 01:24:20,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:20,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1298983736, now seen corresponding path program 1 times [2021-10-13 01:24:20,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:24:20,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911895990] [2021-10-13 01:24:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:20,886 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:24:20,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:24:20,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:24:20,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 01:24:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:24:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:24:21,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:24:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:21,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:24:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:24:21,363 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:24:21,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911895990] [2021-10-13 01:24:21,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911895990] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:24:21,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:24:21,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 01:24:21,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417151905] [2021-10-13 01:24:21,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:24:21,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:24:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:24:21,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:24:21,367 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-13 01:24:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:24:21,415 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2021-10-13 01:24:21,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:24:21,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-10-13 01:24:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:24:21,417 INFO L225 Difference]: With dead ends: 36 [2021-10-13 01:24:21,417 INFO L226 Difference]: Without dead ends: 25 [2021-10-13 01:24:21,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:24:21,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-13 01:24:21,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-13 01:24:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 01:24:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-10-13 01:24:21,423 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2021-10-13 01:24:21,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:24:21,423 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-10-13 01:24:21,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-13 01:24:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-10-13 01:24:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 01:24:21,424 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:24:21,424 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:24:21,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:21,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:24:21,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 01:24:21,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:24:21,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1243528388, now seen corresponding path program 1 times [2021-10-13 01:24:21,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:24:21,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178343719] [2021-10-13 01:24:21,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:24:21,626 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:24:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:24:21,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:24:21,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 01:24:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:21,826 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:24:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:24:21,896 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 01:24:21,896 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 01:24:21,897 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 01:24:21,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,901 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,902 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 01:24:21,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 01:24:21,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 01:24:21,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 01:24:21,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 01:24:21,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 01:24:21,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,907 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 01:24:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 01:24:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:24:21,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 01:24:21,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 01:24:21,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 01:24:21,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 01:24:21,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:24:22,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:24:22,131 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:24:22,142 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-13 01:24:22,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:24:22 BoogieIcfgContainer [2021-10-13 01:24:22,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:24:22,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:24:22,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:24:22,160 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:24:22,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:24:19" (3/4) ... [2021-10-13 01:24:22,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:24:22,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:24:22,166 INFO L168 Benchmark]: Toolchain (without parser) took 4718.23 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 41.8 MB in the beginning and 58.0 MB in the end (delta: -16.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:22,166 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:24:22,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.38 ms. Allocated memory is still 77.6 MB. Free memory was 41.6 MB in the beginning and 42.8 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:22,168 INFO L168 Benchmark]: Boogie Preprocessor took 93.71 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 37.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:22,169 INFO L168 Benchmark]: RCFGBuilder took 1602.08 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 37.9 MB in the beginning and 64.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:22,169 INFO L168 Benchmark]: TraceAbstraction took 2307.88 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 58.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:24:22,170 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 98.6 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:24:22,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.38 ms. Allocated memory is still 77.6 MB. Free memory was 41.6 MB in the beginning and 42.8 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.71 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 37.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1602.08 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 37.9 MB in the beginning and 64.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2307.88 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 58.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.49 ms. Allocated memory is still 98.6 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L782] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L778] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A20))={1:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, p={1:0}, saved_device_20={0:0}] [L774] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L763] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, dev={1:4}, ldv_global_msg_list={-2147483648:0}, saved_device_20={1:4}] [L774] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, p={1:0}, saved_device_20={1:4}] [L778] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L782] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] - 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 344 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 2223.0ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 13.1ms, AutomataDifference: 128.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 28.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 45.4ms SsaConstructionTime, 100.4ms SatisfiabilityAnalysisTime, 655.5ms InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2021-10-13 01:24:22,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703c98ee-cefa-4a06-b6a8-d26200032a88/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...