./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.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_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/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_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/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_328851ac-fcdb-40ee-8f8f-462a4c54de75/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 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:50,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:50,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:50,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:50,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:50,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:50,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:50,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:50,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:50,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:50,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:50,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:50,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:50,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:50,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:50,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:50,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:50,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:50,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:50,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:50,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:50,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:50,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:50,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:51,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:51,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:51,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:51,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:51,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:51,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:51,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:51,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:51,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:51,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:51,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:51,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:51,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:51,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:51,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:51,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:51,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:51,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 16:44:51,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:51,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:51,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:51,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:51,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:51,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:51,085 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:51,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:51,086 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:51,086 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:51,087 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:51,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:51,088 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:51,088 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:51,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:51,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:51,089 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:51,089 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:51,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:44:51,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:44:51,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:51,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:51,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:44:51,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:51,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:51,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:51,092 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:44:51,092 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:44:51,092 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:44:51,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:51,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:51,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:51,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:51,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:51,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:51,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:51,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:51,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:51,095 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:51,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:51,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:51,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:51,097 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_328851ac-fcdb-40ee-8f8f-462a4c54de75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 [2021-11-23 16:44:51,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:51,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:51,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:51,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:51,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:51,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-23 16:44:51,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/9349403fa/be9c74cfa84549b485bd890692afe526/FLAG6ba26622b [2021-11-23 16:44:52,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:52,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-23 16:44:52,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/9349403fa/be9c74cfa84549b485bd890692afe526/FLAG6ba26622b [2021-11-23 16:44:52,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/9349403fa/be9c74cfa84549b485bd890692afe526 [2021-11-23 16:44:52,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:52,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:52,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:52,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:52,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:52,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7c7f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52, skipping insertion in model container [2021-11-23 16:44:52,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:52,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:52,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:52,958 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 16:44:52,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d9812b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52, skipping insertion in model container [2021-11-23 16:44:52,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:52,959 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:44:52,962 INFO L158 Benchmark]: Toolchain (without parser) took 614.90ms. Allocated memory is still 98.6MB. Free memory was 56.6MB in the beginning and 68.9MB in the end (delta: -12.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,964 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:52,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.19ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 68.9MB in the end (delta: -12.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 16:44:52,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.19ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 68.9MB in the end (delta: -12.5MB). Peak memory consumption was 6.4MB. 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_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/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_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/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_328851ac-fcdb-40ee-8f8f-462a4c54de75/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 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:55,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:55,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:55,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:55,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:55,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:55,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:55,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:55,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:55,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:55,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:55,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:55,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:55,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:55,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:55,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:55,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:55,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:55,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:55,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:55,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:55,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:55,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:55,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:55,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:55,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:55,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:55,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:55,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:55,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:55,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:55,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:55,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:55,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:55,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:55,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:55,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:55,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:55,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:55,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:55,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:55,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 16:44:55,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:55,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:55,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:55,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:55,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:55,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:55,473 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:55,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:55,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:55,474 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:55,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:55,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:55,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:44:55,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:44:55,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:55,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:55,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:44:55,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:55,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:55,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:55,479 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:44:55,479 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:44:55,480 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:44:55,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:55,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:55,480 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:44:55,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:44:55,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:55,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:55,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:55,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:44:55,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:55,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:55,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:55,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:55,483 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:44:55,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:44:55,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:55,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:55,485 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_328851ac-fcdb-40ee-8f8f-462a4c54de75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 [2021-11-23 16:44:55,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:55,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:55,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:55,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:55,891 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:55,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-23 16:44:55,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/836ac8f23/33c1fdf07ed74fb5972eccc3d2903d43/FLAG02d5d016b [2021-11-23 16:44:56,651 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:56,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-23 16:44:56,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/836ac8f23/33c1fdf07ed74fb5972eccc3d2903d43/FLAG02d5d016b [2021-11-23 16:44:56,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/data/836ac8f23/33c1fdf07ed74fb5972eccc3d2903d43 [2021-11-23 16:44:56,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:56,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:56,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:56,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:56,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:56,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:56" (1/1) ... [2021-11-23 16:44:56,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e66176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:56, skipping insertion in model container [2021-11-23 16:44:56,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:56" (1/1) ... [2021-11-23 16:44:56,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:56,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:57,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:57,336 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:44:57,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:57,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:57,478 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:57,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:57,599 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:57,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57 WrapperNode [2021-11-23 16:44:57,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:57,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:57,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:57,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:57,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,690 INFO L137 Inliner]: procedures = 168, calls = 80, calls flagged for inlining = 21, calls inlined = 6, statements flattened = 59 [2021-11-23 16:44:57,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:57,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:57,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:57,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:57,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:57,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:57,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:57,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:57,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:57,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:57,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:57,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-23 16:44:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-23 16:44:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 16:44:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 16:44:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-23 16:44:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-23 16:44:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:44:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:44:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:44:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:44:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:44:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:44:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-23 16:44:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-23 16:44:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:57,991 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:57,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:58,427 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:44:58,434 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:44:58,435 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:44:58,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:44:58 BoogieIcfgContainer [2021-11-23 16:44:58,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:44:58,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:44:58,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:44:58,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:44:58,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:44:56" (1/3) ... [2021-11-23 16:44:58,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:44:58, skipping insertion in model container [2021-11-23 16:44:58,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57" (2/3) ... [2021-11-23 16:44:58,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:44:58, skipping insertion in model container [2021-11-23 16:44:58,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:44:58" (3/3) ... [2021-11-23 16:44:58,445 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test14.i [2021-11-23 16:44:58,451 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:44:58,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-23 16:44:58,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:44:58,504 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 16:44:58,505 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-23 16:44:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 70 states have internal predecessors, (73), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 16:44:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 16:44:58,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:44:58,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:44:58,538 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_list_addErr0REQUIRES_VIOLATION === [ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION (and 24 more)] === [2021-11-23 16:44:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:44:58,544 INFO L85 PathProgramCache]: Analyzing trace with hash -781473750, now seen corresponding path program 1 times [2021-11-23 16:44:58,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:44:58,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891579347] [2021-11-23 16:44:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:44:58,558 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:44:58,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:44:58,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:44:58,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:44:58,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:44:58,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:44:58,833 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 16:44:58,837 INFO L158 Benchmark]: Toolchain (without parser) took 1951.38ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.6MB in the beginning and 44.9MB in the end (delta: -15.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 16:44:58,838 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:58,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.36ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 40.8MB in the end (delta: -11.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 16:44:58,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.51ms. Allocated memory is still 69.2MB. Free memory was 40.8MB in the beginning and 38.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:44:58,840 INFO L158 Benchmark]: Boogie Preprocessor took 47.45ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 36.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:44:58,841 INFO L158 Benchmark]: RCFGBuilder took 698.02ms. Allocated memory is still 69.2MB. Free memory was 36.5MB in the beginning and 36.9MB in the end (delta: -404.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:44:58,841 INFO L158 Benchmark]: TraceAbstraction took 396.76ms. Allocated memory is still 69.2MB. Free memory was 36.3MB in the beginning and 44.9MB in the end (delta: -8.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 16:44:58,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.36ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 40.8MB in the end (delta: -11.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.51ms. Allocated memory is still 69.2MB. Free memory was 40.8MB in the beginning and 38.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.45ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 36.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.02ms. Allocated memory is still 69.2MB. Free memory was 36.5MB in the beginning and 36.9MB in the end (delta: -404.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 396.76ms. Allocated memory is still 69.2MB. Free memory was 36.3MB in the beginning and 44.9MB in the end (delta: -8.6MB). Peak memory consumption was 7.4MB. 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 16:44:58,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328851ac-fcdb-40ee-8f8f-462a4c54de75/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