./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ................................................................................................................................... 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_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:06:24,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:06:24,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:06:24,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:06:24,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:06:24,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:06:24,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:06:24,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:06:24,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:06:24,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:06:24,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:06:24,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:06:24,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:06:24,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:06:24,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:06:24,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:06:24,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:06:24,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:06:24,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:06:24,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:06:24,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:06:24,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:06:24,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:06:24,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:06:24,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:06:24,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:06:24,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:06:24,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:06:24,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:06:24,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:06:24,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:06:24,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:06:24,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:06:24,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:06:24,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:06:24,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:06:24,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:06:24,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:06:24,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:06:24,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:06:24,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:06:24,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 00:06:24,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:06:24,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:06:24,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:06:24,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:06:24,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:06:24,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:06:24,482 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:06:24,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:06:24,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:06:24,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:06:24,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:06:24,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:06:24,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:06:24,485 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:06:24,485 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:06:24,485 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:06:24,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:06:24,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:06:24,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:06:24,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:06:24,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:06:24,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:06:24,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:06:24,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:06:24,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:06:24,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:06:24,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:06:24,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:06:24,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:06:24,490 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_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2021-10-13 00:06:24,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:06:24,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:06:24,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:06:24,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:06:24,826 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:06:24,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-13 00:06:24,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/a12693ac0/50aa64b2836848b99db737b87b0a1713/FLAG15cb75831 [2021-10-13 00:06:25,565 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:06:25,565 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-13 00:06:25,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/a12693ac0/50aa64b2836848b99db737b87b0a1713/FLAG15cb75831 [2021-10-13 00:06:25,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/a12693ac0/50aa64b2836848b99db737b87b0a1713 [2021-10-13 00:06:25,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:06:25,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:06:25,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:25,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:06:25,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:06:25,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:25" (1/1) ... [2021-10-13 00:06:25,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469dd01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:25, skipping insertion in model container [2021-10-13 00:06:25,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:25" (1/1) ... [2021-10-13 00:06:25,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:06:25,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:06:26,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:06:26,398 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 00:06:26,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d07cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:26, skipping insertion in model container [2021-10-13 00:06:26,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:26,399 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:06:26,401 INFO L168 Benchmark]: Toolchain (without parser) took 593.58 ms. Allocated memory was 90.2 MB in the beginning and 142.6 MB in the end (delta: 52.4 MB). Free memory was 53.9 MB in the beginning and 113.0 MB in the end (delta: -59.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:26,402 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:06:26,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.93 ms. Allocated memory was 90.2 MB in the beginning and 142.6 MB in the end (delta: 52.4 MB). Free memory was 53.7 MB in the beginning and 113.0 MB in the end (delta: -59.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:26,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.93 ms. Allocated memory was 90.2 MB in the beginning and 142.6 MB in the end (delta: 52.4 MB). Free memory was 53.7 MB in the beginning and 113.0 MB in the end (delta: -59.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:06:28,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:06:28,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:06:28,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:06:28,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:06:28,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:06:28,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:06:28,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:06:28,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:06:28,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:06:28,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:06:28,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:06:28,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:06:28,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:06:28,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:06:28,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:06:28,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:06:28,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:06:28,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:06:28,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:06:28,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:06:28,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:06:28,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:06:28,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:06:28,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:06:28,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:06:28,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:06:28,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:06:28,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:06:28,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:06:28,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:06:28,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:06:28,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:06:28,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:06:28,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:06:28,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:06:28,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:06:28,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:06:28,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:06:28,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:06:28,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:06:28,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 00:06:28,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:06:28,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:06:28,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:06:28,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:06:28,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:06:28,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:06:28,855 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:06:28,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:06:28,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:06:28,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:06:28,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:06:28,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:06:28,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:06:28,858 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:06:28,858 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:06:28,859 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:06:28,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:06:28,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:06:28,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:06:28,859 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:06:28,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:06:28,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:06:28,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:06:28,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:06:28,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:06:28,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:06:28,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:06:28,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:06:28,862 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:06:28,862 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:06:28,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:06:28,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:06:28,863 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_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2021-10-13 00:06:29,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:06:29,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:06:29,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:06:29,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:06:29,295 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:06:29,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-13 00:06:29,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/dffb22476/d75db066004e4a459353672e7ae1757e/FLAG9fb54126d [2021-10-13 00:06:29,913 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:06:29,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-13 00:06:29,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/dffb22476/d75db066004e4a459353672e7ae1757e/FLAG9fb54126d [2021-10-13 00:06:30,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/data/dffb22476/d75db066004e4a459353672e7ae1757e [2021-10-13 00:06:30,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:06:30,223 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:06:30,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:30,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:06:30,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:06:30,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:30" (1/1) ... [2021-10-13 00:06:30,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26141b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:30, skipping insertion in model container [2021-10-13 00:06:30,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:30" (1/1) ... [2021-10-13 00:06:30,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:06:30,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:06:30,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:06:30,903 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 00:06:30,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:06:31,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:06:31,023 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:06:31,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:06:31,175 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:06:31,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31 WrapperNode [2021-10-13 00:06:31,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:31,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:06:31,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:06:31,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:06:31,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:06:31,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:06:31,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:06:31,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:06:31,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (1/1) ... [2021-10-13 00:06:31,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:06:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:06:31,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:06:31,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:06:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 00:06:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:06:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:06:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:06:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 00:06:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 00:06:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 00:06:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 00:06:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 00:06:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 00:06:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 00:06:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 00:06:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 00:06:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 00:06:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 00:06:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 00:06:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 00:06:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 00:06:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 00:06:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 00:06:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 00:06:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 00:06:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 00:06:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 00:06:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 00:06:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 00:06:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 00:06:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 00:06:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 00:06:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 00:06:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2021-10-13 00:06:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-10-13 00:06:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 00:06:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 00:06:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 00:06:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 00:06:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 00:06:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 00:06:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 00:06:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 00:06:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 00:06:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 00:06:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 00:06:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 00:06:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 00:06:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 00:06:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 00:06:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 00:06:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 00:06:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 00:06:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 00:06:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 00:06:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 00:06:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 00:06:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 00:06:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 00:06:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 00:06:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 00:06:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 00:06:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 00:06:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 00:06:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 00:06:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 00:06:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 00:06:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 00:06:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 00:06:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 00:06:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 00:06:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 00:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 00:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 00:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 00:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 00:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 00:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 00:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 00:06:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 00:06:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 00:06:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 00:06:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 00:06:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 00:06:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 00:06:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 00:06:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 00:06:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 00:06:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 00:06:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 00:06:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 00:06:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 00:06:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 00:06:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 00:06:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 00:06:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 00:06:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 00:06:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 00:06:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 00:06:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 00:06:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 00:06:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 00:06:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 00:06:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 00:06:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 00:06:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 00:06:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 00:06:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 00:06:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 00:06:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 00:06:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:06:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 00:06:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 00:06:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 00:06:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 00:06:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 00:06:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 00:06:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:06:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 00:06:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 00:06:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 00:06:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 00:06:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 00:06:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:06:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:06:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 00:06:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 00:06:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:06:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 00:06:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 00:06:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 00:06:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 00:06:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 00:06:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 00:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 00:06:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 00:06:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2021-10-13 00:06:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-10-13 00:06:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 00:06:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 00:06:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 00:06:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:06:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:06:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:06:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:06:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:06:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:06:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 00:06:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 00:06:32,080 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:06:32,510 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:06:32,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:06:32,824 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 00:06:32,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:06:32 BoogieIcfgContainer [2021-10-13 00:06:32,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:06:32,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:06:32,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:06:32,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:06:32,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:06:30" (1/3) ... [2021-10-13 00:06:32,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e194cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:06:32, skipping insertion in model container [2021-10-13 00:06:32,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:31" (2/3) ... [2021-10-13 00:06:32,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e194cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:06:32, skipping insertion in model container [2021-10-13 00:06:32,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:06:32" (3/3) ... [2021-10-13 00:06:32,836 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2021-10-13 00:06:32,841 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:06:32,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-13 00:06:32,886 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:06:32,892 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:06:32,892 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-13 00:06:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-13 00:06:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:06:32,917 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:06:32,917 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:06:32,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 00:06:32,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:06:32,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1865659629, now seen corresponding path program 1 times [2021-10-13 00:06:32,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:06:32,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112467692] [2021-10-13 00:06:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:06:32,936 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:06:32,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:06:32,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:06:32,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:06:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:06:33,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:06:33,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:06:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:06:33,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:06:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:06:33,596 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:06:33,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112467692] [2021-10-13 00:06:33,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112467692] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:06:33,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:06:33,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-13 00:06:33,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987974636] [2021-10-13 00:06:33,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:06:33,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:06:33,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:06:33,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:06:33,631 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:06:33,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:06:33,689 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2021-10-13 00:06:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:06:33,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-13 00:06:33,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:06:33,698 INFO L225 Difference]: With dead ends: 28 [2021-10-13 00:06:33,698 INFO L226 Difference]: Without dead ends: 25 [2021-10-13 00:06:33,700 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.5ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:06:33,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-13 00:06:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-13 00:06:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 00:06:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-10-13 00:06:33,736 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 20 [2021-10-13 00:06:33,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:06:33,737 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2021-10-13 00:06:33,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:06:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-10-13 00:06:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:06:33,738 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:06:33,738 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:06:33,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:06:33,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:06:33,952 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 00:06:33,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:06:33,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1573100356, now seen corresponding path program 1 times [2021-10-13 00:06:33,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:06:33,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801968918] [2021-10-13 00:06:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:06:33,954 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:06:33,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:06:33,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:06:33,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:06:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:06:34,130 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:06:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:06:34,212 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 00:06:34,212 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:06:34,213 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 00:06:34,215 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,215 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 00:06:34,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 00:06:34,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 00:06:34,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 00:06:34,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,220 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,221 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,221 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,221 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,221 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,221 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,221 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 00:06:34,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 00:06:34,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,224 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 00:06:34,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 00:06:34,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:06:34,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:06:34,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:06:34,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 00:06:34,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 00:06:34,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:06:34,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:06:34,453 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:06:34,460 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-13 00:06:34,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:06:34 BoogieIcfgContainer [2021-10-13 00:06:34,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:06:34,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:06:34,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:06:34,480 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:06:34,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:06:32" (3/4) ... [2021-10-13 00:06:34,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:06:34,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:06:34,488 INFO L168 Benchmark]: Toolchain (without parser) took 4263.03 ms. Allocated memory was 48.2 MB in the beginning and 83.9 MB in the end (delta: 35.7 MB). Free memory was 32.7 MB in the beginning and 40.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:34,489 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory is still 29.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:06:34,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 950.56 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 32.6 MB in the beginning and 41.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:34,492 INFO L168 Benchmark]: Boogie Preprocessor took 104.66 ms. Allocated memory is still 65.0 MB. Free memory was 41.7 MB in the beginning and 37.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:34,500 INFO L168 Benchmark]: RCFGBuilder took 1545.40 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 57.8 MB in the end (delta: -20.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:34,502 INFO L168 Benchmark]: TraceAbstraction took 1647.42 ms. Allocated memory is still 83.9 MB. Free memory was 57.0 MB in the beginning and 40.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:34,503 INFO L168 Benchmark]: Witness Printer took 6.33 ms. Allocated memory is still 83.9 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:06:34,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory is still 29.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 950.56 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 32.6 MB in the beginning and 41.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.66 ms. Allocated memory is still 65.0 MB. Free memory was 41.7 MB in the beginning and 37.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1545.40 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 57.8 MB in the end (delta: -20.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1647.42 ms. Allocated memory is still 83.9 MB. Free memory was 57.0 MB in the beginning and 40.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Witness Printer took 6.33 ms. Allocated memory is still 83.9 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L771] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L767] CALL, EXPR f5() 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] return 0; VAL [\result={0:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L767] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={-2147483648:0}] [L767] int *p = f5(); [L768] CALL g5(p) VAL [ldv_global_msg_list={-2147483648:0}, p={0:0}] [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={-2147483648:0}, p={0:0}, p={0:0}] [L768] RET g5(p) VAL [ldv_global_msg_list={-2147483648:0}, p={0:0}] [L771] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1567.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.1ms, AutomataDifference: 83.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 113 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 22.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.7ms SsaConstructionTime, 68.9ms SatisfiabilityAnalysisTime, 439.2ms InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 2 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:06:34,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73de392-8c02-4526-897d-10084339b621/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...