./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw --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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 ............................................................................................................................................. 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_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw --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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:51:19,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:51:19,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:51:20,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:51:20,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:51:20,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:51:20,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:51:20,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:51:20,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:51:20,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:51:20,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:51:20,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:51:20,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:51:20,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:51:20,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:51:20,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:51:20,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:51:20,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:51:20,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:51:20,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:51:20,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:51:20,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:51:20,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:51:20,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:51:20,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:51:20,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:51:20,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:51:20,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:51:20,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:51:20,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:51:20,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:51:20,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:51:20,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:51:20,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:51:20,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:51:20,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:51:20,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:51:20,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:51:20,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:51:20,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:51:20,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:51:20,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-20 05:51:20,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:51:20,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:51:20,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:51:20,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:51:20,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:51:20,144 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:51:20,144 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:51:20,145 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:51:20,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:51:20,145 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:51:20,145 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:51:20,146 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:51:20,146 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:51:20,146 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:51:20,146 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:51:20,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 05:51:20,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 05:51:20,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:51:20,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:51:20,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:51:20,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:51:20,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:51:20,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:51:20,149 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-20 05:51:20,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-20 05:51:20,149 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-20 05:51:20,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:51:20,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:51:20,150 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:51:20,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:51:20,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:51:20,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:51:20,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:51:20,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:51:20,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:51:20,152 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:51:20,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:51:20,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:51:20,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:51:20,154 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_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2021-10-20 05:51:20,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:51:20,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:51:20,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:51:20,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:51:20,467 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:51:20,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-20 05:51:20,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/1aa99567f/82670edcf0514ba880843bb929713c3b/FLAG9d4e5db65 [2021-10-20 05:51:21,241 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:51:21,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-20 05:51:21,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/1aa99567f/82670edcf0514ba880843bb929713c3b/FLAG9d4e5db65 [2021-10-20 05:51:21,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/1aa99567f/82670edcf0514ba880843bb929713c3b [2021-10-20 05:51:21,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:51:21,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:51:21,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:51:21,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:51:21,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:51:21,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:51:21" (1/1) ... [2021-10-20 05:51:21,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1600f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:21, skipping insertion in model container [2021-10-20 05:51:21,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:51:21" (1/1) ... [2021-10-20 05:51:21,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:51:21,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:51:21,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:51:22,004 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) [2021-10-20 05:51:22,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55de64ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:22, skipping insertion in model container [2021-10-20 05:51:22,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:51:22,005 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:51:22,008 INFO L168 Benchmark]: Toolchain (without parser) took 503.17 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 56.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:51:22,008 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:51:22,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.92 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 56.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:51:22,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.92 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 56.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 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-e943c26 [2021-10-20 05:51:24,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:51:24,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:51:24,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:51:24,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:51:24,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:51:24,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:51:24,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:51:24,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:51:24,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:51:24,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:51:24,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:51:24,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:51:24,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:51:24,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:51:24,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:51:24,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:51:24,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:51:24,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:51:24,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:51:24,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:51:24,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:51:24,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:51:24,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:51:24,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:51:24,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:51:24,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:51:24,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:51:24,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:51:24,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:51:24,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:51:24,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:51:24,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:51:24,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:51:24,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:51:24,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:51:24,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:51:24,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:51:24,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:51:24,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:51:24,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:51:24,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-20 05:51:24,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:51:24,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:51:24,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:51:24,440 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:51:24,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:51:24,441 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:51:24,441 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:51:24,441 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:51:24,442 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:51:24,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 05:51:24,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 05:51:24,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:51:24,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:51:24,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:51:24,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:51:24,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:51:24,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:51:24,446 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-20 05:51:24,447 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-20 05:51:24,447 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-20 05:51:24,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:51:24,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:51:24,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:51:24,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:51:24,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:51:24,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:51:24,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:51:24,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:51:24,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:51:24,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:51:24,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:51:24,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:51:24,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:51:24,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:51:24,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:51:24,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:51:24,452 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_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2021-10-20 05:51:24,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:51:24,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:51:24,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:51:24,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:51:24,906 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:51:24,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-20 05:51:24,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/cb112f52e/2e768c029e904a8a84dea13ed7879a95/FLAGcfb7f5721 [2021-10-20 05:51:25,757 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:51:25,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-20 05:51:25,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/cb112f52e/2e768c029e904a8a84dea13ed7879a95/FLAGcfb7f5721 [2021-10-20 05:51:25,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/data/cb112f52e/2e768c029e904a8a84dea13ed7879a95 [2021-10-20 05:51:25,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:51:25,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:51:25,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:51:25,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:51:25,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:51:25,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:51:25" (1/1) ... [2021-10-20 05:51:25,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed235ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:25, skipping insertion in model container [2021-10-20 05:51:25,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:51:25" (1/1) ... [2021-10-20 05:51:25,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:51:26,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:51:26,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:51:26,667 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:51:26,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:51:26,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:51:26,808 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:51:26,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:51:26,977 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:51:26,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26 WrapperNode [2021-10-20 05:51:26,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:51:26,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:51:26,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:51:26,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:51:27,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:51:27,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:51:27,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:51:27,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:51:27,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:51:27,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:51:27,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:51:27,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:51:27,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (1/1) ... [2021-10-20 05:51:27,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:51:27,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:51:27,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:51:27,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:51:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-20 05:51:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:51:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-20 05:51:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:51:27,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:51:27,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:51:27,628 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-20 05:51:27,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:51:27 BoogieIcfgContainer [2021-10-20 05:51:27,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:51:27,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:51:27,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:51:27,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:51:27,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:51:25" (1/3) ... [2021-10-20 05:51:27,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a032c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:51:27, skipping insertion in model container [2021-10-20 05:51:27,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:51:26" (2/3) ... [2021-10-20 05:51:27,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a032c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:51:27, skipping insertion in model container [2021-10-20 05:51:27,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:51:27" (3/3) ... [2021-10-20 05:51:27,649 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2021-10-20 05:51:27,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:51:27,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:51:27,715 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:51:27,723 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 [2021-10-20 05:51:27,724 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:51:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-20 05:51:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-20 05:51:27,762 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:51:27,763 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:51:27,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-20 05:51:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:51:27,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-10-20 05:51:27,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:51:27,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859998269] [2021-10-20 05:51:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:51:27,802 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:51:27,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:51:27,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:51:27,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:51:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:51:27,931 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 05:51:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:51:28,004 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-20 05:51:28,006 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 05:51:28,008 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-20 05:51:28,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:51:28,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:51:28,239 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:51:28,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:51:28 BoogieIcfgContainer [2021-10-20 05:51:28,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:51:28,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:51:28,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:51:28,267 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:51:28,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:51:27" (3/4) ... [2021-10-20 05:51:28,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-20 05:51:28,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:51:28,275 INFO L168 Benchmark]: Toolchain (without parser) took 2314.75 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.6 MB in the beginning and 55.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:51:28,277 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 67.1 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:51:28,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1017.68 ms. Allocated memory is still 67.1 MB. Free memory was 44.3 MB in the beginning and 31.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:51:28,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.26 ms. Allocated memory is still 67.1 MB. Free memory was 31.7 MB in the beginning and 47.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:51:28,285 INFO L168 Benchmark]: Boogie Preprocessor took 42.00 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 45.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:51:28,286 INFO L168 Benchmark]: RCFGBuilder took 496.44 ms. Allocated memory is still 67.1 MB. Free memory was 45.9 MB in the beginning and 36.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:51:28,287 INFO L168 Benchmark]: TraceAbstraction took 629.19 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.8 MB in the beginning and 56.1 MB in the end (delta: -20.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:51:28,287 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 81.8 MB. Free memory was 56.1 MB in the beginning and 55.7 MB in the end (delta: 404.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:51:28,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 67.1 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1017.68 ms. Allocated memory is still 67.1 MB. Free memory was 44.3 MB in the beginning and 31.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.26 ms. Allocated memory is still 67.1 MB. Free memory was 31.7 MB in the beginning and 47.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.00 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 45.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 496.44 ms. Allocated memory is still 67.1 MB. Free memory was 45.9 MB in the beginning and 36.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 629.19 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.8 MB in the beginning and 56.1 MB in the end (delta: -20.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 81.8 MB. Free memory was 56.1 MB in the beginning and 55.7 MB in the end (delta: 404.1 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 528.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 26.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.1ms SsaConstructionTime, 38.3ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-20 05:51:28,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c8f0e-0818-4299-a793-bf8c88ca26c0/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...