./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:04,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:04,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:04,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:04,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:04,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:04,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:04,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:04,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:04,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:04,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:04,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:04,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:04,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:04,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:04,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:04,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:04,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:04,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:04,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:04,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:04,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:04,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:04,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:04,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:04,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:04,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:04,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:04,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:04,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:04,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:04,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:04,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:04,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:04,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:04,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:04,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:04,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:04,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:04,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:04,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:04,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 17:15:04,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:04,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:04,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:04,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:04,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:04,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:04,675 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:04,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:04,675 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:04,675 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:04,675 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:04,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:04,676 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:04,676 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:04,676 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:04,677 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:04,677 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:04,677 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:04,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:15:04,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:15:04,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:04,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:04,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:15:04,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:04,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:04,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:04,680 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:15:04,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:15:04,680 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:15:04,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:04,681 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:04,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:04,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:04,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:04,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:04,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:04,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:04,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:04,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:04,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:04,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:04,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:04,683 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 [2021-11-23 17:15:04,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:05,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:05,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:05,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:05,014 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:05,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-11-23 17:15:05,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/3dade2191/0574459422034c9cbcf49aebd3dc387e/FLAG03610ddf5 [2021-11-23 17:15:05,695 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:05,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-11-23 17:15:05,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/3dade2191/0574459422034c9cbcf49aebd3dc387e/FLAG03610ddf5 [2021-11-23 17:15:05,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/3dade2191/0574459422034c9cbcf49aebd3dc387e [2021-11-23 17:15:05,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:05,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:05,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:05,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:05,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:05,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:05" (1/1) ... [2021-11-23 17:15:05,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e05dd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:05, skipping insertion in model container [2021-11-23 17:15:05,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:05" (1/1) ... [2021-11-23 17:15:05,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:06,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:06,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:06,585 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) [2021-11-23 17:15:06,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43a44be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:06, skipping insertion in model container [2021-11-23 17:15:06,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:06,586 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:15:06,590 INFO L158 Benchmark]: Toolchain (without parser) took 634.27ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.9MB in the beginning and 84.6MB in the end (delta: -37.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:06,591 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:06,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.34ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.7MB in the beginning and 85.0MB in the end (delta: -38.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:06,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.34ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.7MB in the beginning and 85.0MB in the end (delta: -38.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * 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_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:09,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:09,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:09,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:09,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:09,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:09,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:09,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:09,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:09,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:09,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:09,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:09,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:09,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:09,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:09,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:09,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:09,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:09,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:09,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:09,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:09,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:09,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:09,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:09,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:09,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:09,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:09,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:09,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:09,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:09,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:09,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:09,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:09,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:09,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:09,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:09,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:09,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:09,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:09,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:09,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:09,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 17:15:09,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:09,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:09,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:09,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:09,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:09,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:09,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:09,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:09,289 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:09,289 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:09,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:09,290 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:09,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:15:09,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:15:09,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:09,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:09,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:15:09,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:09,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:09,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:09,294 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:15:09,294 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:15:09,295 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:15:09,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:09,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:09,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:15:09,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:15:09,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:09,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:09,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:09,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:15:09,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:09,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:09,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:09,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:09,299 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:15:09,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:15:09,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:09,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:09,299 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_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 [2021-11-23 17:15:09,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:09,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:09,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:09,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:09,735 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:09,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-11-23 17:15:09,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/5c2f59540/8ccd332f328841e5b5da8e40ba838fdc/FLAG093678e87 [2021-11-23 17:15:10,560 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:10,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-11-23 17:15:10,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/5c2f59540/8ccd332f328841e5b5da8e40ba838fdc/FLAG093678e87 [2021-11-23 17:15:10,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/data/5c2f59540/8ccd332f328841e5b5da8e40ba838fdc [2021-11-23 17:15:10,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:10,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:10,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:10,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:10,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:10,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:10,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba934bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10, skipping insertion in model container [2021-11-23 17:15:10,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:10,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:10,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:11,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:11,332 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:15:11,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:11,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:11,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:11,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:11,581 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:11,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11 WrapperNode [2021-11-23 17:15:11,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:11,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:11,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:11,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:11,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,676 INFO L137 Inliner]: procedures = 167, calls = 92, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 78 [2021-11-23 17:15:11,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:11,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:11,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:11,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:11,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:11,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:11,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:11,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:11,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (1/1) ... [2021-11-23 17:15:11,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:11,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:11,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:11,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:15:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:15:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:12,083 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:12,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:12,574 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:12,585 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:15:12,585 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:15:12,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:12 BoogieIcfgContainer [2021-11-23 17:15:12,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:15:12,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:15:12,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:15:12,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:15:12,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:15:10" (1/3) ... [2021-11-23 17:15:12,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148dfa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:12, skipping insertion in model container [2021-11-23 17:15:12,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:11" (2/3) ... [2021-11-23 17:15:12,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148dfa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:12, skipping insertion in model container [2021-11-23 17:15:12,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:12" (3/3) ... [2021-11-23 17:15:12,596 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2021-11-23 17:15:12,601 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:15:12,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-11-23 17:15:12,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:15:12,656 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 [2021-11-23 17:15:12,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-11-23 17:15:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 44 states have (on average 2.0681818181818183) internal successors, (91), 87 states have internal predecessors, (91), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 17:15:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 17:15:12,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:15:12,705 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:15:12,705 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 39 more)] === [2021-11-23 17:15:12,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:15:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1192529059, now seen corresponding path program 1 times [2021-11-23 17:15:12,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:15:12,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408611339] [2021-11-23 17:15:12,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:15:12,729 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:15:12,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:15:12,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:15:12,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:15:12,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 17:15:12,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:15:12,998 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:15:13,004 INFO L158 Benchmark]: Toolchain (without parser) took 2183.20ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 57.1MB in the end (delta: -8.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 17:15:13,005 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:13,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.70ms. Allocated memory is still 69.2MB. Free memory was 48.5MB in the beginning and 39.8MB in the end (delta: 8.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 17:15:13,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.81ms. Allocated memory is still 69.2MB. Free memory was 39.8MB in the beginning and 37.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:15:13,007 INFO L158 Benchmark]: Boogie Preprocessor took 71.98ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 35.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:15:13,008 INFO L158 Benchmark]: RCFGBuilder took 837.64ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 35.7MB in the beginning and 66.7MB in the end (delta: -31.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:13,009 INFO L158 Benchmark]: TraceAbstraction took 411.20ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 57.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:15:13,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.70ms. Allocated memory is still 69.2MB. Free memory was 48.5MB in the beginning and 39.8MB in the end (delta: 8.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.81ms. Allocated memory is still 69.2MB. Free memory was 39.8MB in the beginning and 37.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.98ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 35.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 837.64ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 35.7MB in the beginning and 66.7MB in the end (delta: -31.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 411.20ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 57.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:15:13,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5f408a-330f-4ffa-aa08-75cde76557eb/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable