./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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 35bea36500fd584379ee75f7219d833c6e835c74616f49a2cc8d9d16168e8f4f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:40,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:40,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:40,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:40,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:40,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:40,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:40,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:40,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:40,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:40,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:40,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:40,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:40,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:40,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:40,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:40,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:40,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:40,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:40,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:40,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:40,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:40,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:40,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:40,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:40,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:40,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:40,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:40,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:40,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:40,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:40,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:40,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:40,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:40,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:40,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:40,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:40,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:40,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:40,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:40,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:40,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 17:04:40,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:40,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:40,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:40,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:40,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:40,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:40,464 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:40,464 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:40,464 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:40,465 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:04:40,466 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:40,466 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:40,466 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:04:40,467 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:04:40,467 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:40,467 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:04:40,467 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:04:40,468 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:04:40,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:04:40,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:04:40,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:40,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:04:40,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:04:40,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:04:40,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:04:40,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:40,470 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:04:40,471 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:04:40,471 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:04:40,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:40,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:04:40,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:04:40,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:40,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:40,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:40,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:40,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:40,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:40,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:04:40,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:04:40,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:40,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:40,476 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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35bea36500fd584379ee75f7219d833c6e835c74616f49a2cc8d9d16168e8f4f [2021-11-23 17:04:40,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:40,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:40,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:40,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:40,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:40,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2021-11-23 17:04:40,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/9197987e7/8abac63151c64783bd01dff3adb991e1/FLAG303643a45 [2021-11-23 17:04:41,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:41,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2021-11-23 17:04:41,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/9197987e7/8abac63151c64783bd01dff3adb991e1/FLAG303643a45 [2021-11-23 17:04:41,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/9197987e7/8abac63151c64783bd01dff3adb991e1 [2021-11-23 17:04:41,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:41,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:41,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:41,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:41,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:41,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:41" (1/1) ... [2021-11-23 17:04:41,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f17e7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:41, skipping insertion in model container [2021-11-23 17:04:41,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:41" (1/1) ... [2021-11-23 17:04:41,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:41,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:42,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:42,338 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-23 17:04:42,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b169678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:42, skipping insertion in model container [2021-11-23 17:04:42,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:42,340 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:04:42,344 INFO L158 Benchmark]: Toolchain (without parser) took 598.14ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 85.7MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:42,345 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:42,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.51ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 85.7MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:42,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.51ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 85.7MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. 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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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 35bea36500fd584379ee75f7219d833c6e835c74616f49a2cc8d9d16168e8f4f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:44,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:44,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:44,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:44,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:44,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:44,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:44,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:44,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:44,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:44,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:44,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:44,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:44,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:44,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:44,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:44,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:44,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:44,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:44,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:44,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:44,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:44,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:44,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:44,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:44,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:44,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:44,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:44,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:44,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:44,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:44,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:44,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:44,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:44,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:44,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:44,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:44,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:44,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:44,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:44,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:45,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 17:04:45,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:45,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:45,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:45,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:45,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:45,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:45,075 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:45,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:45,075 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:45,076 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:45,077 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:45,077 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:45,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:04:45,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:04:45,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:45,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:04:45,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:04:45,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:04:45,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:04:45,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:45,081 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:04:45,081 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:04:45,082 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:04:45,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:45,082 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:04:45,082 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:04:45,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:04:45,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:04:45,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:45,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:45,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:04:45,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:45,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:45,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:45,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:45,086 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:04:45,086 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:04:45,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:45,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:45,087 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_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35bea36500fd584379ee75f7219d833c6e835c74616f49a2cc8d9d16168e8f4f [2021-11-23 17:04:45,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:45,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:45,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:45,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:45,583 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:45,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2021-11-23 17:04:45,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/22495dcd4/fd99bf81569048d5b445e3727d1e3d82/FLAG8f4a87d73 [2021-11-23 17:04:46,418 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:46,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2021-11-23 17:04:46,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/22495dcd4/fd99bf81569048d5b445e3727d1e3d82/FLAG8f4a87d73 [2021-11-23 17:04:46,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/data/22495dcd4/fd99bf81569048d5b445e3727d1e3d82 [2021-11-23 17:04:46,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:46,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:46,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:46,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:46,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:46,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:46" (1/1) ... [2021-11-23 17:04:46,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e8b8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:46, skipping insertion in model container [2021-11-23 17:04:46,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:46" (1/1) ... [2021-11-23 17:04:46,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:46,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:47,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:47,259 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:04:47,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:47,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:47,395 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:47,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:47,546 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:47,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47 WrapperNode [2021-11-23 17:04:47,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:47,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:47,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:47,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:47,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,607 INFO L137 Inliner]: procedures = 167, calls = 79, calls flagged for inlining = 21, calls inlined = 6, statements flattened = 53 [2021-11-23 17:04:47,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:47,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:47,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:47,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:47,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:47,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:47,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:47,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:47,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (1/1) ... [2021-11-23 17:04:47,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:47,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:47,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:47,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-23 17:04:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-23 17:04:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-23 17:04:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-23 17:04:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:04:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:04:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-23 17:04:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-23 17:04:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:04:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:04:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:04:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:04:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-23 17:04:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-23 17:04:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:47,928 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:47,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:48,426 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:04:48,434 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:04:48,435 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:04:48,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:48 BoogieIcfgContainer [2021-11-23 17:04:48,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:04:48,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:04:48,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:04:48,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:04:48,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:04:46" (1/3) ... [2021-11-23 17:04:48,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f46102a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:48, skipping insertion in model container [2021-11-23 17:04:48,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:47" (2/3) ... [2021-11-23 17:04:48,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f46102a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:04:48, skipping insertion in model container [2021-11-23 17:04:48,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:04:48" (3/3) ... [2021-11-23 17:04:48,447 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test13_2.i [2021-11-23 17:04:48,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:04:48,456 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-23 17:04:48,523 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:04:48,542 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:04:48,549 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-23 17:04:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 42 states have (on average 1.7857142857142858) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 17:04:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 17:04:48,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:04:48,584 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:04:48,585 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 25 more)] === [2021-11-23 17:04:48,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:04:48,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1285123929, now seen corresponding path program 1 times [2021-11-23 17:04:48,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:04:48,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054093632] [2021-11-23 17:04:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:04:48,610 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:04:48,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:04:48,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:04:48,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:04:48,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:04:48,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:04:48,891 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:04:48,897 INFO L158 Benchmark]: Toolchain (without parser) took 2247.53ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.3MB in the beginning and 30.7MB in the end (delta: -5.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:48,899 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 50.3MB. Free memory was 31.7MB in the beginning and 31.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:48,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.65ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.1MB in the beginning and 43.2MB in the end (delta: -18.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 17:04:48,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.60ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:48,909 INFO L158 Benchmark]: Boogie Preprocessor took 34.92ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 39.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:48,910 INFO L158 Benchmark]: RCFGBuilder took 792.94ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 40.2MB in the end (delta: -1.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 17:04:48,910 INFO L158 Benchmark]: TraceAbstraction took 453.99ms. Allocated memory is still 62.9MB. Free memory was 39.5MB in the beginning and 30.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:48,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 50.3MB. Free memory was 31.7MB in the beginning and 31.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.65ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.1MB in the beginning and 43.2MB in the end (delta: -18.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.60ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.92ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 39.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 792.94ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 40.2MB in the end (delta: -1.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 453.99ms. Allocated memory is still 62.9MB. Free memory was 39.5MB in the beginning and 30.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:04:48,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d89a7f6-0ecc-4ffa-a8df-bf4e96313e12/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