./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-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_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/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_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/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_fde44f2e-1d61-4127-ba26-e8123b269fc5/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 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:48:42,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:48:42,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:48:42,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:48:42,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:48:42,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:48:42,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:48:42,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:48:42,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:48:42,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:48:42,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:48:42,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:48:42,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:48:42,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:48:42,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:48:42,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:48:42,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:48:42,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:48:42,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:48:42,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:48:42,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:48:42,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:48:42,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:48:42,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:48:42,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:48:42,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:48:42,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:48:42,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:48:42,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:48:42,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:48:42,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:48:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:48:42,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:48:42,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:48:42,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:48:42,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:48:42,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:48:42,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:48:42,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:48:42,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:48:42,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:48:42,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 16:48:42,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:48:42,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:48:42,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:48:42,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:48:42,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:48:42,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:48:42,990 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:48:42,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:48:42,991 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:48:42,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:48:42,992 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:48:42,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:48:42,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:48:42,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:48:42,993 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:48:42,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:48:42,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:48:42,994 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:48:42,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:48:42,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:48:42,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:48:42,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:48:42,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:48:42,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:48:42,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:48:42,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:48:42,997 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:48:42,997 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:48:42,998 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:48:42,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:48:42,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:48:42,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:48:42,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:48:42,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:48:42,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:48:42,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:43,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:48:43,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:48:43,000 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:48:43,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:48:43,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:48:43,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:48:43,001 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_fde44f2e-1d61-4127-ba26-e8123b269fc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 [2021-11-23 16:48:43,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:48:43,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:48:43,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:48:43,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:48:43,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:48:43,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2021-11-23 16:48:43,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/7c5923e5f/3e96a65374844401b3b6785725159b06/FLAG23b910c2e [2021-11-23 16:48:44,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:48:44,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2021-11-23 16:48:44,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/7c5923e5f/3e96a65374844401b3b6785725159b06/FLAG23b910c2e [2021-11-23 16:48:44,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/7c5923e5f/3e96a65374844401b3b6785725159b06 [2021-11-23 16:48:44,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:48:44,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:48:44,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:44,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:48:44,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:48:44,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:44" (1/1) ... [2021-11-23 16:48:44,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d20e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:44, skipping insertion in model container [2021-11-23 16:48:44,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:44" (1/1) ... [2021-11-23 16:48:44,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:48:44,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:45,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:45,086 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 16:48:45,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@173db17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:45, skipping insertion in model container [2021-11-23 16:48:45,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:45,088 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:48:45,091 INFO L158 Benchmark]: Toolchain (without parser) took 532.48ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 88.2MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:48:45,093 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:45,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.62ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 88.2MB in the end (delta: -9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:48:45,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.62ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 88.2MB in the end (delta: -9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 562]: 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_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/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_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/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_fde44f2e-1d61-4127-ba26-e8123b269fc5/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 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:48:47,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:48:47,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:48:48,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:48:48,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:48:48,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:48:48,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:48:48,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:48:48,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:48:48,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:48:48,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:48:48,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:48:48,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:48:48,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:48:48,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:48:48,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:48:48,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:48:48,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:48:48,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:48:48,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:48:48,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:48:48,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:48:48,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:48:48,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:48:48,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:48:48,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:48:48,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:48:48,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:48:48,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:48:48,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:48:48,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:48:48,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:48:48,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:48:48,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:48:48,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:48:48,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:48:48,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:48:48,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:48:48,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:48:48,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:48:48,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:48:48,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 16:48:48,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:48:48,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:48:48,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:48:48,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:48:48,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:48:48,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:48:48,186 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:48:48,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:48:48,187 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:48:48,187 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:48:48,188 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:48:48,188 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:48:48,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:48:48,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:48:48,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:48:48,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:48:48,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:48:48,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:48:48,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:48:48,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:48:48,193 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:48:48,193 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:48:48,193 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:48:48,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:48:48,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:48:48,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:48:48,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:48:48,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:48:48,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:48:48,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:48:48,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:48:48,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:48:48,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:48,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:48:48,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:48:48,197 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:48:48,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:48,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:48:48,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:48:48,198 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_fde44f2e-1d61-4127-ba26-e8123b269fc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 [2021-11-23 16:48:48,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:48:48,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:48:48,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:48:48,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:48:48,717 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:48:48,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2021-11-23 16:48:48,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/e64db2a2c/cf82e793e4734518a1986d2de590cda1/FLAG1a21d95ce [2021-11-23 16:48:49,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:48:49,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2021-11-23 16:48:49,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/e64db2a2c/cf82e793e4734518a1986d2de590cda1/FLAG1a21d95ce [2021-11-23 16:48:49,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/data/e64db2a2c/cf82e793e4734518a1986d2de590cda1 [2021-11-23 16:48:49,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:48:49,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:48:49,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:49,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:48:49,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:48:49,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:49" (1/1) ... [2021-11-23 16:48:49,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62305021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:49, skipping insertion in model container [2021-11-23 16:48:49,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:49" (1/1) ... [2021-11-23 16:48:49,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:48:49,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:50,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:50,254 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:48:50,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:50,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:50,299 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:48:50,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:50,373 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:48:50,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50 WrapperNode [2021-11-23 16:48:50,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:50,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:50,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:48:50,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:48:50,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,436 INFO L137 Inliner]: procedures = 115, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2021-11-23 16:48:50,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:50,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:50,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:50,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:50,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:50,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:50,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:50,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:50,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:50" (1/1) ... [2021-11-23 16:48:50,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:50,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:50,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2021-11-23 16:48:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2021-11-23 16:48:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:48:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:48:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:48:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:48:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:50,762 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:50,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:48:50,951 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder 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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:48:50,957 INFO L158 Benchmark]: Toolchain (without parser) took 1227.76ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.5MB in the beginning and 44.9MB in the end (delta: -13.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 16:48:50,970 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:50,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.87ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 41.8MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:48:50,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.05ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:48:50,973 INFO L158 Benchmark]: Boogie Preprocessor took 55.88ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:50,975 INFO L158 Benchmark]: RCFGBuilder took 459.61ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 44.9MB in the end (delta: -6.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 16:48:50,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.87ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 41.8MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.05ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.88ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.61ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 44.9MB in the end (delta: -6.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: 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 16:48:51,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde44f2e-1d61-4127-ba26-e8123b269fc5/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