./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:17:13,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:17:13,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:17:13,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:17:13,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:17:13,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:17:13,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:17:13,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:17:13,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:17:13,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:17:13,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:17:13,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:17:13,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:17:13,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:17:13,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:17:13,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:17:13,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:17:13,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:17:13,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:17:13,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:17:13,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:17:13,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:17:13,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:17:13,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:17:13,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:17:13,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:17:13,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:17:13,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:17:13,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:17:13,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:17:13,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:17:13,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:17:13,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:17:13,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:17:13,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:17:13,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:17:13,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:17:13,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:17:13,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:17:13,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:17:13,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:17:13,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-07 08:17:13,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:17:13,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:17:13,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:17:13,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:17:13,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:17:13,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:17:13,656 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:17:13,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:17:13,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:17:13,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:17:13,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:17:13,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:17:13,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:17:13,659 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 08:17:13,659 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 08:17:13,659 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 08:17:13,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:17:13,660 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 08:17:13,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:17:13,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:17:13,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:17:13,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:17:13,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:17:13,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:17:13,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:17:13,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:17:13,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:17:13,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:17:13,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:17:13,665 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_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-11-07 08:17:14,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:17:14,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:17:14,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:17:14,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:17:14,056 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:17:14,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-07 08:17:14,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/42d375851/03bd595d780a42a284d50a591f16c6ac/FLAG77ac34b98 [2021-11-07 08:17:14,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:17:14,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-07 08:17:14,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/42d375851/03bd595d780a42a284d50a591f16c6ac/FLAG77ac34b98 [2021-11-07 08:17:15,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/42d375851/03bd595d780a42a284d50a591f16c6ac [2021-11-07 08:17:15,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:17:15,074 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-07 08:17:15,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:17:15,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:17:15,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:17:15,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:17:15" (1/1) ... [2021-11-07 08:17:15,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9890c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:15, skipping insertion in model container [2021-11-07 08:17:15,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:17:15" (1/1) ... [2021-11-07 08:17:15,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:17:15,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:17:15,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:17:15,794 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) [2021-11-07 08:17:15,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@303c4d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:15, skipping insertion in model container [2021-11-07 08:17:15,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:17:15,795 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-07 08:17:15,798 INFO L168 Benchmark]: Toolchain (without parser) took 722.73 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 61.7 MB in the beginning and 97.9 MB in the end (delta: -36.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:15,799 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:17:15,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.64 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 61.4 MB in the beginning and 97.9 MB in the end (delta: -36.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:15,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.64 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 61.4 MB in the beginning and 97.9 MB in the end (delta: -36.4 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:17:18,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:17:18,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:17:18,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:17:18,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:17:18,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:17:18,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:17:18,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:17:18,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:17:18,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:17:18,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:17:18,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:17:18,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:17:18,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:17:18,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:17:18,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:17:18,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:17:18,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:17:18,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:17:18,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:17:18,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:17:18,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:17:18,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:17:18,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:17:18,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:17:18,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:17:18,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:17:18,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:17:18,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:17:18,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:17:18,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:17:18,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:17:18,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:17:18,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:17:18,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:17:18,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:17:18,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:17:18,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:17:18,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:17:18,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:17:18,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:17:18,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-07 08:17:18,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:17:18,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:17:18,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:17:18,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:17:18,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:17:18,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:17:18,792 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:17:18,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:17:18,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:17:18,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:17:18,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:17:18,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:17:18,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:17:18,796 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 08:17:18,796 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 08:17:18,796 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 08:17:18,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:17:18,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 08:17:18,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 08:17:18,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 08:17:18,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:17:18,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:17:18,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:17:18,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:17:18,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:17:18,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:17:18,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:17:18,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:17:18,800 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 08:17:18,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 08:17:18,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:17:18,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 08:17:18,802 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_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-11-07 08:17:19,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:17:19,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:17:19,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:17:19,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:17:19,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:17:19,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-07 08:17:19,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/a8661239b/45375f1745964cf699e30413d9b3e820/FLAG8ea72caca [2021-11-07 08:17:20,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:17:20,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-07 08:17:20,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/a8661239b/45375f1745964cf699e30413d9b3e820/FLAG8ea72caca [2021-11-07 08:17:20,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/data/a8661239b/45375f1745964cf699e30413d9b3e820 [2021-11-07 08:17:20,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:17:20,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-07 08:17:20,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:17:20,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:17:20,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:17:20,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:17:20" (1/1) ... [2021-11-07 08:17:20,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2676306b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:20, skipping insertion in model container [2021-11-07 08:17:20,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:17:20" (1/1) ... [2021-11-07 08:17:20,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:17:20,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:17:21,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:17:21,058 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 08:17:21,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:17:21,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:17:21,133 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:17:21,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:17:21,284 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:17:21,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21 WrapperNode [2021-11-07 08:17:21,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:17:21,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:17:21,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:17:21,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:17:21,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:17:21,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:17:21,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:17:21,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:17:21,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (1/1) ... [2021-11-07 08:17:21,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:17:21,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:17:21,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:17:21,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:17:21,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-07 08:17:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:17:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 08:17:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-07 08:17:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-07 08:17:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-07 08:17:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-07 08:17:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-07 08:17:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-07 08:17:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-07 08:17:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-07 08:17:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-07 08:17:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-07 08:17:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-07 08:17:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-07 08:17:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-07 08:17:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-07 08:17:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-07 08:17:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-07 08:17:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-07 08:17:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-07 08:17:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-07 08:17:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-07 08:17:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-07 08:17:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-07 08:17:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-07 08:17:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-07 08:17:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-07 08:17:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-07 08:17:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-07 08:17:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-07 08:17:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-07 08:17:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-07 08:17:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-07 08:17:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-07 08:17:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-07 08:17:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-07 08:17:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-07 08:17:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-07 08:17:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-07 08:17:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-07 08:17:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-07 08:17:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-11-07 08:17:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-07 08:17:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-07 08:17:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-07 08:17:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-07 08:17:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-07 08:17:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-07 08:17:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-07 08:17:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-07 08:17:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-07 08:17:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-07 08:17:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-07 08:17:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-07 08:17:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-07 08:17:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-07 08:17:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-07 08:17:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-07 08:17:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-07 08:17:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-07 08:17:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-07 08:17:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-07 08:17:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-07 08:17:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-07 08:17:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-07 08:17:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-07 08:17:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-07 08:17:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-07 08:17:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-07 08:17:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-07 08:17:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-07 08:17:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-07 08:17:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-07 08:17:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-07 08:17:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-07 08:17:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-07 08:17:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-07 08:17:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-07 08:17:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-07 08:17:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-07 08:17:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-07 08:17:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-07 08:17:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-07 08:17:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-07 08:17:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-07 08:17:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-07 08:17:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-07 08:17:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-07 08:17:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-07 08:17:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-07 08:17:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-07 08:17:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-07 08:17:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-07 08:17:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-07 08:17:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-07 08:17:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-07 08:17:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-07 08:17:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-07 08:17:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-07 08:17:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-07 08:17:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-07 08:17:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-07 08:17:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-07 08:17:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-07 08:17:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-07 08:17:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-07 08:17:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-07 08:17:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-07 08:17:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-07 08:17:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-07 08:17:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-07 08:17:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-07 08:17:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-07 08:17:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-07 08:17:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-07 08:17:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-07 08:17:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-07 08:17:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-07 08:17:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-07 08:17:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-07 08:17:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-07 08:17:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-07 08:17:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-07 08:17:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-07 08:17:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-07 08:17:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-07 08:17:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-07 08:17:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-07 08:17:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-07 08:17:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-07 08:17:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-07 08:17:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-07 08:17:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-07 08:17:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-07 08:17:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-07 08:17:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-07 08:17:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-07 08:17:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-07 08:17:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-07 08:17:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-07 08:17:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-07 08:17:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-07 08:17:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-07 08:17:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-07 08:17:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-07 08:17:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-07 08:17:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-07 08:17:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-07 08:17:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-07 08:17:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-07 08:17:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-07 08:17:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-07 08:17:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-07 08:17:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-07 08:17:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-07 08:17:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-07 08:17:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-07 08:17:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-07 08:17:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-07 08:17:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-07 08:17:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-07 08:17:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 08:17:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-07 08:17:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-07 08:17:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-07 08:17:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 08:17:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-07 08:17:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-07 08:17:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-07 08:17:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 08:17:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-07 08:17:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-07 08:17:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-07 08:17:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-07 08:17:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-07 08:17:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-07 08:17:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:17:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-07 08:17:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-07 08:17:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-07 08:17:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-07 08:17:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-07 08:17:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 08:17:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 08:17:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-07 08:17:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-07 08:17:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 08:17:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-07 08:17:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-07 08:17:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-07 08:17:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-07 08:17:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-07 08:17:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-07 08:17:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-07 08:17:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-07 08:17:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-07 08:17:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-07 08:17:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-07 08:17:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-07 08:17:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-07 08:17:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-07 08:17:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-11-07 08:17:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-07 08:17:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-07 08:17:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-07 08:17:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:17:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 08:17:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:17:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-07 08:17:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 08:17:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 08:17:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 08:17:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 08:17:22,363 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 08:17:22,820 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 08:17:23,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:17:23,135 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-07 08:17:23,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:17:23 BoogieIcfgContainer [2021-11-07 08:17:23,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:17:23,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:17:23,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:17:23,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:17:23,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:17:20" (1/3) ... [2021-11-07 08:17:23,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4144a693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:17:23, skipping insertion in model container [2021-11-07 08:17:23,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:17:21" (2/3) ... [2021-11-07 08:17:23,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4144a693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:17:23, skipping insertion in model container [2021-11-07 08:17:23,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:17:23" (3/3) ... [2021-11-07 08:17:23,149 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-11-07 08:17:23,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:17:23,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-11-07 08:17:23,212 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:17:23,219 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 08:17:23,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-11-07 08:17:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-07 08:17:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 08:17:23,250 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:17:23,251 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:17:23,252 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-11-07 08:17:23,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:17:23,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2021-11-07 08:17:23,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:17:23,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23198182] [2021-11-07 08:17:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:17:23,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:17:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:17:23,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:17:23,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 08:17:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:17:23,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 08:17:23,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:17:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:17:23,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:17:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:17:23,809 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:17:23,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23198182] [2021-11-07 08:17:23,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23198182] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:17:23,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:17:23,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 08:17:23,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454767598] [2021-11-07 08:17:23,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:17:23,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:17:23,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:17:23,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:17:23,840 INFO L87 Difference]: Start difference. First operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-07 08:17:23,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:17:23,903 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-11-07 08:17:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:17:23,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-11-07 08:17:23,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:17:23,914 INFO L225 Difference]: With dead ends: 35 [2021-11-07 08:17:23,914 INFO L226 Difference]: Without dead ends: 23 [2021-11-07 08:17:23,916 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:17:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-07 08:17:23,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-11-07 08:17:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:17:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-11-07 08:17:23,956 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2021-11-07 08:17:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:17:23,956 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-11-07 08:17:23,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-07 08:17:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-11-07 08:17:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 08:17:23,958 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:17:23,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:17:23,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:17:24,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:17:24,182 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-11-07 08:17:24,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:17:24,183 INFO L85 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2021-11-07 08:17:24,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:17:24,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206729413] [2021-11-07 08:17:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:17:24,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:17:24,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:17:24,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:17:24,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 08:17:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:17:24,407 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:17:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:17:24,477 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-07 08:17:24,478 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 08:17:24,480 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-11-07 08:17:24,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-11-07 08:17:24,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-11-07 08:17:24,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-11-07 08:17:24,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-11-07 08:17:24,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,489 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,489 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,489 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,489 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,489 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,490 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,490 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,490 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-11-07 08:17:24,490 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-11-07 08:17:24,491 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,491 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,491 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,491 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,492 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,492 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,492 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,492 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,493 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,493 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,493 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,493 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-11-07 08:17:24,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-11-07 08:17:24,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:17:24,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-11-07 08:17:24,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-11-07 08:17:24,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-11-07 08:17:24,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-11-07 08:17:24,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:17:24,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:17:24,715 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 08:17:24,719 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:17:24,731 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-07 08:17:24,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:17:24 BoogieIcfgContainer [2021-11-07 08:17:24,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:17:24,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:17:24,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:17:24,753 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:17:24,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:17:23" (3/4) ... [2021-11-07 08:17:24,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:17:24,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:17:24,760 INFO L168 Benchmark]: Toolchain (without parser) took 4327.05 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 47.9 MB in the beginning and 44.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:24,761 INFO L168 Benchmark]: CDTParser took 1.58 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:17:24,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.95 ms. Allocated memory is still 67.1 MB. Free memory was 47.8 MB in the beginning and 33.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:24,762 INFO L168 Benchmark]: Boogie Preprocessor took 181.01 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 33.5 MB in the beginning and 81.3 MB in the end (delta: -47.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:24,763 INFO L168 Benchmark]: RCFGBuilder took 1669.81 ms. Allocated memory is still 100.7 MB. Free memory was 81.3 MB in the beginning and 62.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:24,764 INFO L168 Benchmark]: TraceAbstraction took 1611.46 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 44.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:24,764 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 100.7 MB. Free memory was 44.4 MB in the beginning and 44.0 MB in the end (delta: 405.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:17:24,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 845.95 ms. Allocated memory is still 67.1 MB. Free memory was 47.8 MB in the beginning and 33.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 181.01 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 33.5 MB in the beginning and 81.3 MB in the end (delta: -47.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1669.81 ms. Allocated memory is still 100.7 MB. Free memory was 81.3 MB in the beginning and 62.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1611.46 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 44.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.93 ms. Allocated memory is still 100.7 MB. Free memory was 44.4 MB in the beginning and 44.0 MB in the end (delta: 405.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. 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}] [L772] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={-2147483648:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 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 [2021-11-07 08:17:24,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ab331-32d0-4a66-ad9e-bd17cfd26885/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample