./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg --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 b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 ................................................................................................................................... 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_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg --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 b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:35:59,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:35:59,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:35:59,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:35:59,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:35:59,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:35:59,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:35:59,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:35:59,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:35:59,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:35:59,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:35:59,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:35:59,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:35:59,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:35:59,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:35:59,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:35:59,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:35:59,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:35:59,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:35:59,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:35:59,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:35:59,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:35:59,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:35:59,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:35:59,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:35:59,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:35:59,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:35:59,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:35:59,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:35:59,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:35:59,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:35:59,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:35:59,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:35:59,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:35:59,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:35:59,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:35:59,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:35:59,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:35:59,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:35:59,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:35:59,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:35:59,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 08:35:59,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:35:59,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:35:59,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:35:59,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:35:59,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:35:59,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:35:59,512 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:35:59,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:35:59,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:35:59,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:35:59,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:35:59,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:35:59,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:35:59,515 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:35:59,515 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:35:59,516 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:35:59,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:35:59,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:35:59,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:35:59,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:35:59,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:35:59,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:35:59,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:35:59,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:35:59,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:35:59,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:35:59,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:35:59,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:35:59,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:35:59,523 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_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-10-28 08:35:59,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:35:59,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:35:59,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:35:59,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:35:59,925 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:35:59,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 08:36:00,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/830e618e0/798a3932679e4a558b81f480f453a6f6/FLAG604f442fe [2021-10-28 08:36:00,741 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:36:00,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 08:36:00,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/830e618e0/798a3932679e4a558b81f480f453a6f6/FLAG604f442fe [2021-10-28 08:36:00,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/830e618e0/798a3932679e4a558b81f480f453a6f6 [2021-10-28 08:36:00,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:36:00,786 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:36:00,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:00,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:36:00,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:36:00,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:00" (1/1) ... [2021-10-28 08:36:00,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdd48e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:00, skipping insertion in model container [2021-10-28 08:36:00,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:00" (1/1) ... [2021-10-28 08:36:00,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:36:00,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:36:01,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:01,507 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 08:36:01,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30276d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:01, skipping insertion in model container [2021-10-28 08:36:01,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:01,510 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 08:36:01,514 INFO L168 Benchmark]: Toolchain (without parser) took 725.30 ms. Allocated memory is still 121.6 MB. Free memory was 83.6 MB in the beginning and 89.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:01,516 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 121.6 MB. Free memory was 95.1 MB in the beginning and 95.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:36:01,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.59 ms. Allocated memory is still 121.6 MB. Free memory was 83.6 MB in the beginning and 89.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:01,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 121.6 MB. Free memory was 95.1 MB in the beginning and 95.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 721.59 ms. Allocated memory is still 121.6 MB. Free memory was 83.6 MB in the beginning and 89.7 MB in the end (delta: -6.1 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-b2eff8b [2021-10-28 08:36:04,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:36:04,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:36:04,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:36:04,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:36:04,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:36:04,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:36:04,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:36:04,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:36:04,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:36:04,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:36:04,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:36:04,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:36:04,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:36:04,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:36:04,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:36:04,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:36:04,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:36:04,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:36:04,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:36:04,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:36:04,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:36:04,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:36:04,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:36:04,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:36:04,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:36:04,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:36:04,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:36:04,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:36:04,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:36:04,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:36:04,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:36:04,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:36:04,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:36:04,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:36:04,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:36:04,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:36:04,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:36:04,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:36:04,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:36:04,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:36:04,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 08:36:04,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:36:04,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:36:04,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:36:04,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:36:04,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:36:04,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:36:04,661 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:36:04,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:36:04,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:36:04,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:36:04,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:36:04,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:36:04,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:36:04,664 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:36:04,664 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:36:04,664 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:36:04,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:36:04,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:36:04,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:36:04,665 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:36:04,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:36:04,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:36:04,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:36:04,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:36:04,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:36:04,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:36:04,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:36:04,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:36:04,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:36:04,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:36:04,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:36:04,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:36:04,669 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_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-10-28 08:36:05,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:36:05,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:36:05,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:36:05,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:36:05,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:36:05,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 08:36:05,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/61cad0453/419d97ef04bd413c8600c28d00e97bd5/FLAG364fe5942 [2021-10-28 08:36:06,087 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:36:06,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 08:36:06,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/61cad0453/419d97ef04bd413c8600c28d00e97bd5/FLAG364fe5942 [2021-10-28 08:36:06,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/data/61cad0453/419d97ef04bd413c8600c28d00e97bd5 [2021-10-28 08:36:06,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:36:06,301 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:36:06,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:06,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:36:06,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:36:06,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:06" (1/1) ... [2021-10-28 08:36:06,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1d21e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:06, skipping insertion in model container [2021-10-28 08:36:06,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:06" (1/1) ... [2021-10-28 08:36:06,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:36:06,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:36:07,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:07,071 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 08:36:07,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:36:07,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:07,200 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:36:07,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:07,323 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:36:07,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07 WrapperNode [2021-10-28 08:36:07,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:07,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:36:07,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:36:07,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:36:07,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:36:07,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:36:07,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:36:07,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:36:07,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (1/1) ... [2021-10-28 08:36:07,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:36:07,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:07,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:36:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 08:36:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:36:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:36:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:36:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 08:36:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 08:36:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 08:36:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 08:36:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 08:36:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 08:36:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 08:36:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 08:36:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 08:36:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:36:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 08:36:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 08:36:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 08:36:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 08:36:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 08:36:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 08:36:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 08:36:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 08:36:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 08:36:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 08:36:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 08:36:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 08:36:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 08:36:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 08:36:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 08:36:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 08:36:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 08:36:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 08:36:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 08:36:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 08:36:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 08:36:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 08:36:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 08:36:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 08:36:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 08:36:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 08:36:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 08:36:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 08:36:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 08:36:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 08:36:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 08:36:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 08:36:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 08:36:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 08:36:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 08:36:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 08:36:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 08:36:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 08:36:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 08:36:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 08:36:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 08:36:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 08:36:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 08:36:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 08:36:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 08:36:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 08:36:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 08:36:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 08:36:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 08:36:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 08:36:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 08:36:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 08:36:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 08:36:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 08:36:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 08:36:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 08:36:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 08:36:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 08:36:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 08:36:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 08:36:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 08:36:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 08:36:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 08:36:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 08:36:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 08:36:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 08:36:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 08:36:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 08:36:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 08:36:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 08:36:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 08:36:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 08:36:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 08:36:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 08:36:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 08:36:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 08:36:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 08:36:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 08:36:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 08:36:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 08:36:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 08:36:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 08:36:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 08:36:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 08:36:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 08:36:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 08:36:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 08:36:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 08:36:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 08:36:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 08:36:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 08:36:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 08:36:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 08:36:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 08:36:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 08:36:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 08:36:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 08:36:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 08:36:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 08:36:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 08:36:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 08:36:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 08:36:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 08:36:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 08:36:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 08:36:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 08:36:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 08:36:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 08:36:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 08:36:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 08:36:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 08:36:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 08:36:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 08:36:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 08:36:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 08:36:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 08:36:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 08:36:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 08:36:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 08:36:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 08:36:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 08:36:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 08:36:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 08:36:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 08:36:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 08:36:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 08:36:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 08:36:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 08:36:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 08:36:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 08:36:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 08:36:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 08:36:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 08:36:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 08:36:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 08:36:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 08:36:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 08:36:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 08:36:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 08:36:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 08:36:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 08:36:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 08:36:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 08:36:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 08:36:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 08:36:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 08:36:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 08:36:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:36:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 08:36:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 08:36:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:36:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 08:36:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 08:36:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 08:36:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 08:36:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 08:36:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 08:36:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 08:36:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 08:36:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 08:36:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 08:36:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 08:36:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:36:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 08:36:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 08:36:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 08:36:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 08:36:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 08:36:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 08:36:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 08:36:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 08:36:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 08:36:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:36:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 08:36:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 08:36:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 08:36:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 08:36:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 08:36:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 08:36:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 08:36:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 08:36:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 08:36:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 08:36:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 08:36:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 08:36:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 08:36:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 08:36:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 08:36:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 08:36:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 08:36:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:36:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 08:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 08:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 08:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 08:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 08:36:08,570 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:36:09,095 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:36:09,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:36:09,460 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 08:36:09,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:09 BoogieIcfgContainer [2021-10-28 08:36:09,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:36:09,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:36:09,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:36:09,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:36:09,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:36:06" (1/3) ... [2021-10-28 08:36:09,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334db24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:36:09, skipping insertion in model container [2021-10-28 08:36:09,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:07" (2/3) ... [2021-10-28 08:36:09,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334db24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:36:09, skipping insertion in model container [2021-10-28 08:36:09,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:09" (3/3) ... [2021-10-28 08:36:09,473 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2021-10-28 08:36:09,480 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:36:09,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2021-10-28 08:36:09,536 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:36:09,543 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:36:09,544 INFO L340 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2021-10-28 08:36:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-10-28 08:36:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 08:36:09,595 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:09,598 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:09,599 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 08:36:09,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:09,612 INFO L85 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2021-10-28 08:36:09,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:36:09,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283754242] [2021-10-28 08:36:09,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:09,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:36:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:36:09,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:36:09,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 08:36:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:09,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:36:09,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:10,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:36:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:10,204 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:36:10,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283754242] [2021-10-28 08:36:10,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283754242] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:10,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:10,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 08:36:10,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906053697] [2021-10-28 08:36:10,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:10,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:36:10,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:10,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:10,244 INFO L87 Difference]: Start difference. First operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 08:36:10,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:10,290 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-10-28 08:36:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:36:10,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-10-28 08:36:10,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:10,303 INFO L225 Difference]: With dead ends: 29 [2021-10-28 08:36:10,304 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 08:36:10,306 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 08:36:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 08:36:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 08:36:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-28 08:36:10,352 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2021-10-28 08:36:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:10,353 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-28 08:36:10,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 08:36:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-28 08:36:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 08:36:10,355 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:10,355 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:10,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 08:36:10,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:36:10,563 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 08:36:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2021-10-28 08:36:10,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:36:10,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698838767] [2021-10-28 08:36:10,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:10,566 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:36:10,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:36:10,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:36:10,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 08:36:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:10,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:36:10,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:10,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:36:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:11,088 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:36:11,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698838767] [2021-10-28 08:36:11,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698838767] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:11,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:11,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 08:36:11,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477569363] [2021-10-28 08:36:11,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 08:36:11,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:36:11,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:36:11,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:36:11,094 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 08:36:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:11,267 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-28 08:36:11,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:36:11,268 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-10-28 08:36:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:11,271 INFO L225 Difference]: With dead ends: 35 [2021-10-28 08:36:11,271 INFO L226 Difference]: Without dead ends: 35 [2021-10-28 08:36:11,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:36:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-28 08:36:11,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2021-10-28 08:36:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 08:36:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-10-28 08:36:11,279 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2021-10-28 08:36:11,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:11,279 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-10-28 08:36:11,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 08:36:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-10-28 08:36:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 08:36:11,281 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:11,281 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:11,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:11,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:36:11,507 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 08:36:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2021-10-28 08:36:11,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:36:11,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871721014] [2021-10-28 08:36:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:11,510 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:36:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:36:11,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:36:11,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 08:36:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:11,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:36:11,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:11,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 08:36:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:11,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:36:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:11,978 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:36:11,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871721014] [2021-10-28 08:36:11,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871721014] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:11,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:11,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 08:36:11,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035446546] [2021-10-28 08:36:11,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:11,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:36:11,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:11,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:11,987 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 08:36:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:12,049 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-10-28 08:36:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:36:12,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-28 08:36:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:12,052 INFO L225 Difference]: With dead ends: 30 [2021-10-28 08:36:12,052 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 08:36:12,052 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 08:36:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 08:36:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-28 08:36:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-10-28 08:36:12,073 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2021-10-28 08:36:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:12,074 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-10-28 08:36:12,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 08:36:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-10-28 08:36:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 08:36:12,081 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:12,082 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:12,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:12,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:36:12,297 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 08:36:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2021-10-28 08:36:12,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:36:12,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064710155] [2021-10-28 08:36:12,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:12,299 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:36:12,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:36:12,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:36:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 08:36:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:12,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:36:12,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:12,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:36:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:12,705 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:36:12,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064710155] [2021-10-28 08:36:12,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064710155] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:12,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:12,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 08:36:12,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847228105] [2021-10-28 08:36:12,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:36:12,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:36:12,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:12,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:12,708 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 08:36:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:12,742 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-10-28 08:36:12,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:36:12,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-28 08:36:12,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:12,744 INFO L225 Difference]: With dead ends: 34 [2021-10-28 08:36:12,744 INFO L226 Difference]: Without dead ends: 34 [2021-10-28 08:36:12,745 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:12,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-28 08:36:12,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-28 08:36:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-28 08:36:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-10-28 08:36:12,759 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2021-10-28 08:36:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:12,759 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-10-28 08:36:12,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 08:36:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-10-28 08:36:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 08:36:12,761 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:12,761 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:12,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:12,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:36:12,983 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 08:36:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:12,984 INFO L85 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2021-10-28 08:36:12,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:36:12,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489740584] [2021-10-28 08:36:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:12,985 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:36:12,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:36:12,986 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:36:12,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 08:36:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:13,218 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:13,287 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 08:36:13,287 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 08:36:13,288 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 08:36:13,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 08:36:13,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 08:36:13,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 08:36:13,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 08:36:13,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 08:36:13,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 08:36:13,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 08:36:13,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 08:36:13,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 08:36:13,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 08:36:13,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 08:36:13,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 08:36:13,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:36:13,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:13,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:36:13,545 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 08:36:13,551 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:36:13,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:36:13 BoogieIcfgContainer [2021-10-28 08:36:13,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:36:13,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:36:13,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:36:13,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:36:13,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:09" (3/4) ... [2021-10-28 08:36:13,592 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 08:36:13,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:36:13,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:36:13,663 INFO L168 Benchmark]: Toolchain (without parser) took 7360.41 ms. Allocated memory was 77.6 MB in the beginning and 115.3 MB in the end (delta: 37.7 MB). Free memory was 42.2 MB in the beginning and 86.5 MB in the end (delta: -44.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:36:13,663 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 77.6 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:36:13,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.95 ms. Allocated memory is still 77.6 MB. Free memory was 42.0 MB in the beginning and 37.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:13,665 INFO L168 Benchmark]: Boogie Preprocessor took 227.55 ms. Allocated memory is still 77.6 MB. Free memory was 36.9 MB in the beginning and 58.9 MB in the end (delta: -22.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:13,668 INFO L168 Benchmark]: RCFGBuilder took 1908.46 ms. Allocated memory is still 77.6 MB. Free memory was 58.9 MB in the beginning and 39.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:13,673 INFO L168 Benchmark]: TraceAbstraction took 4120.21 ms. Allocated memory was 77.6 MB in the beginning and 115.3 MB in the end (delta: 37.7 MB). Free memory was 39.5 MB in the beginning and 88.4 MB in the end (delta: -48.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:13,673 INFO L168 Benchmark]: Witness Printer took 72.33 ms. Allocated memory is still 115.3 MB. Free memory was 87.6 MB in the beginning and 86.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:13,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 77.6 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1022.95 ms. Allocated memory is still 77.6 MB. Free memory was 42.0 MB in the beginning and 37.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 227.55 ms. Allocated memory is still 77.6 MB. Free memory was 36.9 MB in the beginning and 58.9 MB in the end (delta: -22.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1908.46 ms. Allocated memory is still 77.6 MB. Free memory was 58.9 MB in the beginning and 39.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4120.21 ms. Allocated memory was 77.6 MB in the beginning and 115.3 MB in the end (delta: 37.7 MB). Free memory was 39.5 MB in the beginning and 88.4 MB in the end (delta: -48.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * Witness Printer took 72.33 ms. Allocated memory is still 115.3 MB. Free memory was 87.6 MB in the beginning and 86.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] - 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: 762]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 208 SDs, 0 SdLazy, 124 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 08:36:13,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfbf6cf-43b2-4189-82f3-5961c4d7ddf6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...