./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8 --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 304ad22bf348771f128136f36ea0b40ed8a676a7 ............................................................................................................................................. 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_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8 --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 304ad22bf348771f128136f36ea0b40ed8a676a7 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:05:49,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:05:49,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:05:49,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:05:49,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:05:49,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:05:49,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:05:49,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:05:49,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:05:49,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:05:49,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:05:49,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:05:49,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:05:49,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:05:49,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:05:49,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:05:49,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:05:49,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:05:49,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:05:49,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:05:49,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:05:49,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:05:49,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:05:49,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:05:49,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:05:49,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:05:49,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:05:49,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:05:49,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:05:49,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:05:49,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:05:49,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:05:49,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:05:49,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:05:49,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:05:49,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:05:49,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:05:49,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:05:49,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:05:49,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:05:49,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:05:49,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:05:49,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:05:49,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:05:49,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:05:49,326 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:05:49,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:05:49,333 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:05:49,333 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:05:49,333 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:05:49,334 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:05:49,334 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:05:49,335 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:05:49,335 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:05:49,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:05:49,336 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:05:49,336 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:05:49,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:05:49,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:05:49,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:05:49,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:05:49,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:05:49,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:05:49,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:05:49,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:05:49,340 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:05:49,340 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:05:49,340 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:05:49,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:05:49,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:05:49,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:05:49,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:05:49,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:05:49,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:05:49,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:05:49,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:05:49,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:05:49,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:05:49,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:05:49,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:05:49,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:05:49,346 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_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2021-10-13 07:05:49,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:05:49,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:05:49,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:05:49,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:05:49,638 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:05:49,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-13 07:05:49,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/29f8f03f8/bbc3213982504fcead6b408dc409cf6b/FLAG41469d932 [2021-10-13 07:05:50,306 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:05:50,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-13 07:05:50,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/29f8f03f8/bbc3213982504fcead6b408dc409cf6b/FLAG41469d932 [2021-10-13 07:05:50,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/29f8f03f8/bbc3213982504fcead6b408dc409cf6b [2021-10-13 07:05:50,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:05:50,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:05:50,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:50,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:05:50,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:05:50,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:50" (1/1) ... [2021-10-13 07:05:50,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341e0592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:50, skipping insertion in model container [2021-10-13 07:05:50,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:50" (1/1) ... [2021-10-13 07:05:50,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:05:50,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:05:51,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:05:51,125 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) [2021-10-13 07:05:51,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14f23c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:51, skipping insertion in model container [2021-10-13 07:05:51,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:51,127 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:05:51,130 INFO L168 Benchmark]: Toolchain (without parser) took 563.39 ms. Allocated memory is still 111.1 MB. Free memory was 77.0 MB in the beginning and 82.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:51,130 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 66.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:51,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.82 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 82.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:51,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 66.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.82 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 82.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 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-4e77c04 [2021-10-13 07:05:53,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:05:53,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:05:53,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:05:53,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:05:53,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:05:53,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:05:53,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:05:53,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:05:53,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:05:53,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:05:53,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:05:53,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:05:53,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:05:53,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:05:53,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:05:53,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:05:53,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:05:53,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:05:53,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:05:53,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:05:53,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:05:53,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:05:53,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:05:53,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:05:53,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:05:53,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:05:53,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:05:53,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:05:53,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:05:53,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:05:53,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:05:53,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:05:53,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:05:53,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:05:53,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:05:53,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:05:53,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:05:53,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:05:53,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:05:53,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:05:53,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:05:53,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:05:53,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:05:53,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:05:53,535 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:05:53,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:05:53,535 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:05:53,535 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:05:53,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:05:53,537 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:05:53,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:05:53,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:05:53,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:05:53,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:05:53,540 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:05:53,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:05:53,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:05:53,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:05:53,541 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:05:53,541 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:05:53,541 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:05:53,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:05:53,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:05:53,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:05:53,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:05:53,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:05:53,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:05:53,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:05:53,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:05:53,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:05:53,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:05:53,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:05:53,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:05:53,545 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:05:53,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:05:53,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:05:53,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:05:53,545 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_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2021-10-13 07:05:53,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:05:53,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:05:53,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:05:53,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:05:53,971 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:05:53,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-13 07:05:54,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/2c9e4204b/eedff53caf204f58b575bb6134a5cdd4/FLAG2b38f8593 [2021-10-13 07:05:54,663 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:05:54,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-13 07:05:54,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/2c9e4204b/eedff53caf204f58b575bb6134a5cdd4/FLAG2b38f8593 [2021-10-13 07:05:54,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/data/2c9e4204b/eedff53caf204f58b575bb6134a5cdd4 [2021-10-13 07:05:54,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:05:54,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:05:54,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:54,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:05:54,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:05:54,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:54" (1/1) ... [2021-10-13 07:05:54,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1081d5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:54, skipping insertion in model container [2021-10-13 07:05:54,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:54" (1/1) ... [2021-10-13 07:05:54,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:05:55,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:05:55,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:05:55,465 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:05:55,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:05:55,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:05:55,572 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:05:55,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:05:55,728 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:05:55,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55 WrapperNode [2021-10-13 07:05:55,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:55,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:05:55,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:05:55,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:05:55,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:05:55,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:05:55,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:05:55,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:05:55,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:05:55,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:05:55,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:05:55,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:05:55,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (1/1) ... [2021-10-13 07:05:55,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:05:55,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:05:55,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:05:55,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:05:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:05:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:05:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:05:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:05:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:05:56,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:05:56,219 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 07:05:56,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:05:56 BoogieIcfgContainer [2021-10-13 07:05:56,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:05:56,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:05:56,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:05:56,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:05:56,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:05:54" (1/3) ... [2021-10-13 07:05:56,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c85ce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:05:56, skipping insertion in model container [2021-10-13 07:05:56,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:55" (2/3) ... [2021-10-13 07:05:56,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c85ce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:05:56, skipping insertion in model container [2021-10-13 07:05:56,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:05:56" (3/3) ... [2021-10-13 07:05:56,228 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2021-10-13 07:05:56,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:05:56,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:05:56,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:05:56,288 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, mConcurrency=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 [2021-10-13 07:05:56,288 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:05:56,303 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) [2021-10-13 07:05:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:05:56,321 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:05:56,322 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:05:56,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-13 07:05:56,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:05:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-10-13 07:05:56,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:05:56,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601602387] [2021-10-13 07:05:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:05:56,357 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:05:56,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:05:56,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:05:56,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:05:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:05:56,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:05:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:05:56,547 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:05:56,550 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:05:56,551 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:05:56,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:05:56,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:56,780 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:05:56,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:05:56 BoogieIcfgContainer [2021-10-13 07:05:56,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:05:56,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:05:56,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:05:56,798 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:05:56,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:05:56" (3/4) ... [2021-10-13 07:05:56,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:05:56,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:05:56,809 INFO L168 Benchmark]: Toolchain (without parser) took 1906.14 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.5 MB in the beginning and 48.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:56,810 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:56,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.71 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.3 MB in the beginning and 52.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:56,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 73.4 MB. Free memory was 52.9 MB in the beginning and 50.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:56,820 INFO L168 Benchmark]: Boogie Preprocessor took 38.79 ms. Allocated memory is still 73.4 MB. Free memory was 50.6 MB in the beginning and 49.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:56,821 INFO L168 Benchmark]: RCFGBuilder took 401.47 ms. Allocated memory is still 73.4 MB. Free memory was 49.4 MB in the beginning and 39.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:56,822 INFO L168 Benchmark]: TraceAbstraction took 574.85 ms. Allocated memory is still 73.4 MB. Free memory was 39.2 MB in the beginning and 48.8 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:56,822 INFO L168 Benchmark]: Witness Printer took 8.81 ms. Allocated memory is still 73.4 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:56,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 826.71 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.3 MB in the beginning and 52.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 73.4 MB. Free memory was 52.9 MB in the beginning and 50.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.79 ms. Allocated memory is still 73.4 MB. Free memory was 50.6 MB in the beginning and 49.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 401.47 ms. Allocated memory is still 73.4 MB. Free memory was 49.4 MB in the beginning and 39.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 574.85 ms. Allocated memory is still 73.4 MB. Free memory was 39.2 MB in the beginning and 48.8 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 8.81 ms. Allocated memory is still 73.4 MB. Free memory is still 48.4 MB. 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: 503.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 21.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.2ms, 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: 19.2ms SsaConstructionTime, 28.4ms 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 [2021-10-13 07:05:56,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1888b97d-f9ff-4319-b560-5e18f2bfd7ab/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...