./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI --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 61683ce69ab6e0be34131bf5e9c8287c381247ab ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI --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 61683ce69ab6e0be34131bf5e9c8287c381247ab ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:00,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:00,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:00,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:00,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:00,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:00,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:00,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:00,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:00,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:00,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:00,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:00,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:00,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:00,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:00,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:00,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:00,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:00,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:00,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:00,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:00,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:00,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:00,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:00,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:00,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:00,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:00,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:00,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:00,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:00,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:00,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:00,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:00,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:00,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:00,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:00,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:00,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:00,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:00,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:00,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:00,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:25:00,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:00,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:00,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:00,465 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:00,465 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:00,466 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:00,466 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:00,466 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:00,466 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:00,466 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:00,468 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:00,468 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:00,468 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:00,469 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:00,469 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:00,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:25:00,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:25:00,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:00,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:00,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:25:00,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:00,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:00,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:00,472 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:25:00,472 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:25:00,472 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:25:00,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:00,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:00,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:00,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:00,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:00,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:00,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:00,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:00,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:00,477 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:00,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:00,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:00,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:00,477 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_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2021-10-11 02:25:00,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:00,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:00,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:00,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:00,833 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:00,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-11 02:25:00,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/89201854b/a74437ff000f4357ba10192f1e5f989a/FLAGbf32b1309 [2021-10-11 02:25:01,525 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:01,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-11 02:25:01,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/89201854b/a74437ff000f4357ba10192f1e5f989a/FLAGbf32b1309 [2021-10-11 02:25:01,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/89201854b/a74437ff000f4357ba10192f1e5f989a [2021-10-11 02:25:01,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:01,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:01,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:01,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:01,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:01,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:01" (1/1) ... [2021-10-11 02:25:01,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33154794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:01, skipping insertion in model container [2021-10-11 02:25:01,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:01" (1/1) ... [2021-10-11 02:25:01,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:01,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:02,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:02,295 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) [2021-10-11 02:25:02,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bc60edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:02, skipping insertion in model container [2021-10-11 02:25:02,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:02,297 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:02,299 INFO L168 Benchmark]: Toolchain (without parser) took 522.94 ms. Allocated memory is still 130.0 MB. Free memory was 95.8 MB in the beginning and 102.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:02,300 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:02,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.23 ms. Allocated memory is still 130.0 MB. Free memory was 95.5 MB in the beginning and 103.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:02,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 518.23 ms. Allocated memory is still 130.0 MB. Free memory was 95.5 MB in the beginning and 103.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:04,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:04,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:04,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:04,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:04,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:04,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:04,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:04,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:04,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:04,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:04,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:04,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:04,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:04,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:04,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:04,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:04,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:04,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:04,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:04,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:04,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:04,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:04,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:04,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:04,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:04,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:04,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:04,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:04,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:04,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:04,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:04,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:04,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:04,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:04,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:04,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:04,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:04,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:04,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:04,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:04,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:04,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:04,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:04,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:04,816 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:04,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:04,817 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:04,817 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:04,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:04,818 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:04,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:25:04,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:25:04,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:04,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:04,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:25:04,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:04,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:04,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:04,823 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:25:04,823 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:25:04,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:25:04,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:04,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:04,824 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:04,824 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:04,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:04,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:04,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:04,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:04,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:04,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:04,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:04,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:04,827 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:04,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:04,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:04,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:04,828 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_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2021-10-11 02:25:05,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:05,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:05,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:05,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:05,259 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:05,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-11 02:25:05,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/b2c0bb22a/d8a1c30db9f949b8b8ab3ad4e15fd5f6/FLAG3f2c073d4 [2021-10-11 02:25:06,011 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:06,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-10-11 02:25:06,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/b2c0bb22a/d8a1c30db9f949b8b8ab3ad4e15fd5f6/FLAG3f2c073d4 [2021-10-11 02:25:06,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/data/b2c0bb22a/d8a1c30db9f949b8b8ab3ad4e15fd5f6 [2021-10-11 02:25:06,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:06,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:06,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:06,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:06,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:06,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:06" (1/1) ... [2021-10-11 02:25:06,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c92218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:06, skipping insertion in model container [2021-10-11 02:25:06,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:06" (1/1) ... [2021-10-11 02:25:06,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:06,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:06,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:06,930 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:06,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:07,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:07,030 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:07,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:07,195 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:07,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07 WrapperNode [2021-10-11 02:25:07,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:07,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:07,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:07,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:07,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:07,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:07,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:07,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:07,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... [2021-10-11 02:25:07,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:07,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:07,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:07,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:07,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:25:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:25:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:25:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:07,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:07,932 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:25:07,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:07 BoogieIcfgContainer [2021-10-11 02:25:07,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:07,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:07,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:07,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:07,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:06" (1/3) ... [2021-10-11 02:25:07,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1740454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:07, skipping insertion in model container [2021-10-11 02:25:07,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:07" (2/3) ... [2021-10-11 02:25:07,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1740454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:07, skipping insertion in model container [2021-10-11 02:25:07,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:07" (3/3) ... [2021-10-11 02:25:07,948 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2021-10-11 02:25:07,966 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:07,969 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:25:07,984 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:25:08,022 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:08,022 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:25:08,023 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:08,023 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:08,023 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:08,023 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:08,024 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:08,024 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2021-10-11 02:25:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:25:08,061 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:08,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:08,063 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2021-10-11 02:25:08,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:08,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965640, now seen corresponding path program 1 times [2021-10-11 02:25:08,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:08,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003926852] [2021-10-11 02:25:08,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3945fc7-be80-47a8-9f60-692ba0a6e3f6/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:08,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:08,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:08,479 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:25:08,480 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:25:08,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:08,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:08 BoogieIcfgContainer [2021-10-11 02:25:08,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:08,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:08,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:08,720 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:08,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:07" (3/4) ... [2021-10-11 02:25:08,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:25:08,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:08,733 INFO L168 Benchmark]: Toolchain (without parser) took 2492.51 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.6 MB in the beginning and 26.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:08,735 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:08,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.94 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.4 MB in the beginning and 39.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:08,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.02 ms. Allocated memory is still 71.3 MB. Free memory was 39.5 MB in the beginning and 37.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:08,740 INFO L168 Benchmark]: Boogie Preprocessor took 29.28 ms. Allocated memory is still 71.3 MB. Free memory was 37.4 MB in the beginning and 36.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:08,741 INFO L168 Benchmark]: RCFGBuilder took 651.70 ms. Allocated memory is still 71.3 MB. Free memory was 36.1 MB in the beginning and 46.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:08,742 INFO L168 Benchmark]: TraceAbstraction took 780.20 ms. Allocated memory is still 71.3 MB. Free memory was 45.9 MB in the beginning and 26.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:08,743 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 71.3 MB. Free memory was 26.9 MB in the beginning and 26.4 MB in the end (delta: 456.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:08,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 960.94 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.4 MB in the beginning and 39.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.02 ms. Allocated memory is still 71.3 MB. Free memory was 39.5 MB in the beginning and 37.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.28 ms. Allocated memory is still 71.3 MB. Free memory was 37.4 MB in the beginning and 36.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 651.70 ms. Allocated memory is still 71.3 MB. Free memory was 36.1 MB in the beginning and 46.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 780.20 ms. Allocated memory is still 71.3 MB. Free memory was 45.9 MB in the beginning and 26.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 71.3 MB. Free memory was 26.9 MB in the beginning and 26.4 MB in the end (delta: 456.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L770] int condition = __VERIFIER_nondet_int(); [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [ldv_global_msg_list={3:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L765] COND FALSE !(\read(condition)) VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...