./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG --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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 ............................................................................................................................................. 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_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG --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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:41:10,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:41:10,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:41:10,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:41:10,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:41:10,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:41:10,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:41:10,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:41:10,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:41:10,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:41:10,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:41:10,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:41:10,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:41:10,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:41:10,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:41:10,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:41:10,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:41:10,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:41:10,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:41:10,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:41:10,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:41:10,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:41:10,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:41:10,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:41:10,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:41:10,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:41:10,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:41:10,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:41:10,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:41:10,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:41:10,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:41:10,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:41:10,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:41:10,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:41:10,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:41:10,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:41:10,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:41:10,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:41:10,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:41:10,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:41:10,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:41:10,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 04:41:10,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:41:10,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:41:10,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:41:10,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:41:10,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:41:10,288 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:41:10,289 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:41:10,289 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:41:10,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:41:10,289 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:41:10,291 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:41:10,291 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:41:10,292 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:41:10,292 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:41:10,292 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:41:10,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:41:10,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:41:10,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:41:10,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:41:10,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:41:10,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:41:10,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:41:10,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:41:10,295 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:41:10,295 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:41:10,296 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:41:10,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:41:10,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:41:10,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:41:10,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:41:10,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:41:10,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:41:10,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:41:10,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:41:10,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:41:10,300 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:41:10,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:41:10,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:41:10,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:41:10,301 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_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2021-10-29 04:41:10,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:41:10,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:41:10,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:41:10,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:41:10,632 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:41:10,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-29 04:41:10,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/0a77f72fa/5df55586835142e7bcfac816f87f6d4e/FLAG48becb5d8 [2021-10-29 04:41:11,410 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:41:11,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-29 04:41:11,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/0a77f72fa/5df55586835142e7bcfac816f87f6d4e/FLAG48becb5d8 [2021-10-29 04:41:11,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/0a77f72fa/5df55586835142e7bcfac816f87f6d4e [2021-10-29 04:41:11,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:41:11,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:41:11,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:41:11,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:41:11,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:41:11,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:11" (1/1) ... [2021-10-29 04:41:11,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1040c374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:11, skipping insertion in model container [2021-10-29 04:41:11,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:11" (1/1) ... [2021-10-29 04:41:11,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:41:11,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:41:12,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:41:12,245 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) [2021-10-29 04:41:12,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a6e94f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:12, skipping insertion in model container [2021-10-29 04:41:12,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:41:12,246 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:41:12,250 INFO L168 Benchmark]: Toolchain (without parser) took 541.42 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.8 MB in the beginning and 81.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:12,252 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:12,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.61 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.6 MB in the beginning and 81.6 MB in the end (delta: -35.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:12,256 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 86.0 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.61 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.6 MB in the beginning and 81.6 MB in the end (delta: -35.1 MB). Peak memory consumption was 4.2 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 0.2.1-dev-b2eff8b [2021-10-29 04:41:14,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:41:14,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:41:14,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:41:14,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:41:14,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:41:14,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:41:14,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:41:14,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:41:14,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:41:14,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:41:14,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:41:14,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:41:14,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:41:14,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:41:14,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:41:14,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:41:14,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:41:14,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:41:14,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:41:14,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:41:14,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:41:14,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:41:14,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:41:14,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:41:14,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:41:14,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:41:14,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:41:14,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:41:14,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:41:14,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:41:14,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:41:14,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:41:14,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:41:14,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:41:14,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:41:14,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:41:14,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:41:14,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:41:14,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:41:14,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:41:14,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-29 04:41:14,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:41:14,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:41:14,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:41:14,814 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:41:14,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:41:14,815 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:41:14,815 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:41:14,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:41:14,815 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:41:14,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:41:14,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:41:14,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:41:14,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:41:14,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:41:14,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:41:14,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:41:14,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:41:14,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:41:14,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:41:14,819 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:41:14,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:41:14,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:41:14,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:41:14,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:41:14,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:41:14,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:41:14,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:41:14,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:41:14,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:41:14,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:41:14,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:41:14,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:41:14,822 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:41:14,822 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:41:14,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:41:14,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:41:14,823 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_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2021-10-29 04:41:15,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:41:15,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:41:15,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:41:15,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:41:15,282 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:41:15,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-29 04:41:15,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/9e51b7423/6c4a8c821a7448bc96c4575aca10bec1/FLAG9d2cb6c46 [2021-10-29 04:41:16,145 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:41:16,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-29 04:41:16,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/9e51b7423/6c4a8c821a7448bc96c4575aca10bec1/FLAG9d2cb6c46 [2021-10-29 04:41:16,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/data/9e51b7423/6c4a8c821a7448bc96c4575aca10bec1 [2021-10-29 04:41:16,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:41:16,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:41:16,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:41:16,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:41:16,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:41:16,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:16" (1/1) ... [2021-10-29 04:41:16,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1130f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:16, skipping insertion in model container [2021-10-29 04:41:16,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:16" (1/1) ... [2021-10-29 04:41:16,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:41:16,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:41:16,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:41:16,985 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:41:16,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:41:17,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:41:17,060 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:41:17,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:41:17,211 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:41:17,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17 WrapperNode [2021-10-29 04:41:17,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:41:17,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:41:17,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:41:17,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:41:17,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:41:17,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:41:17,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:41:17,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:41:17,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:41:17,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:41:17,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:41:17,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:41:17,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:41:17,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:41:17,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:41:17,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:41:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:41:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:41:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:41:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:41:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:41:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:41:17,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:41:17,747 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 04:41:17,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:17 BoogieIcfgContainer [2021-10-29 04:41:17,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:41:17,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:41:17,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:41:17,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:41:17,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:41:16" (1/3) ... [2021-10-29 04:41:17,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c86443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:17, skipping insertion in model container [2021-10-29 04:41:17,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (2/3) ... [2021-10-29 04:41:17,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c86443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:17, skipping insertion in model container [2021-10-29 04:41:17,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:17" (3/3) ... [2021-10-29 04:41:17,759 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2021-10-29 04:41:17,765 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:41:17,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 04:41:17,819 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:41:17,827 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 [2021-10-29 04:41:17,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 04:41:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:41:17,849 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:17,850 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:17,867 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-29 04:41:17,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:17,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965640, now seen corresponding path program 1 times [2021-10-29 04:41:17,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:17,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101958278] [2021-10-29 04:41:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:17,896 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:17,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:17,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:17,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:41:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:41:18,091 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:41:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:41:18,181 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 04:41:18,183 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 04:41:18,185 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 04:41:18,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 04:41:18,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 04:41:18,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 04:41:18,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:18,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:18,415 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 04:41:18,418 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:41:18,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:41:18 BoogieIcfgContainer [2021-10-29 04:41:18,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:41:18,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:41:18,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:41:18,455 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:41:18,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:17" (3/4) ... [2021-10-29 04:41:18,462 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 04:41:18,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:41:18,466 INFO L168 Benchmark]: Toolchain (without parser) took 2108.65 ms. Allocated memory is still 77.6 MB. Free memory was 53.9 MB in the beginning and 38.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:18,467 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:18,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.63 ms. Allocated memory is still 77.6 MB. Free memory was 53.6 MB in the beginning and 43.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:18,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.62 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 41.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:18,477 INFO L168 Benchmark]: Boogie Preprocessor took 30.23 ms. Allocated memory is still 77.6 MB. Free memory was 41.2 MB in the beginning and 39.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:18,478 INFO L168 Benchmark]: RCFGBuilder took 419.84 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 51.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:18,478 INFO L168 Benchmark]: TraceAbstraction took 693.85 ms. Allocated memory is still 77.6 MB. Free memory was 51.2 MB in the beginning and 38.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:18,480 INFO L168 Benchmark]: Witness Printer took 9.47 ms. Allocated memory is still 77.6 MB. Free memory was 38.6 MB in the beginning and 38.3 MB in the end (delta: 305.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:18,490 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 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 854.63 ms. Allocated memory is still 77.6 MB. Free memory was 53.6 MB in the beginning and 43.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.62 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 41.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.23 ms. Allocated memory is still 77.6 MB. Free memory was 41.2 MB in the beginning and 39.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 419.84 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 51.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 693.85 ms. Allocated memory is still 77.6 MB. Free memory was 51.2 MB in the beginning and 38.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 9.47 ms. Allocated memory is still 77.6 MB. Free memory was 38.6 MB in the beginning and 38.3 MB in the end (delta: 305.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [ldv_global_msg_list={-2147483648:0}] [L767] int *p = f5(); [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 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 [2021-10-29 04:41:18,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd15a1-aefc-431f-a330-77007e12c8c4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...