./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 ............................................................................................................................................. 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_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:35,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:35,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:35,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:35,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:35,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:35,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:35,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:35,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:35,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:35,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:35,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:35,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:35,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:35,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:35,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:35,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:35,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:35,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:35,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:35,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:35,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:35,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:35,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:35,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:35,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:35,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:35,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:35,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:35,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:35,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:35,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:35,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:35,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:35,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:35,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:35,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:35,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:35,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:35,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:35,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:35,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:20:35,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:35,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:35,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:35,258 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:35,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:35,259 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:35,259 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:35,259 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:35,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:35,259 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:35,260 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:35,260 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:35,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:35,261 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:35,261 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:35,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:20:35,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:20:35,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:35,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:35,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:20:35,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:35,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:35,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:35,263 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:20:35,263 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:20:35,264 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:20:35,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:35,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:35,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:35,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:35,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:35,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:35,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:35,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:35,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:35,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:35,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:35,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:35,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:35,268 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_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 [2021-10-11 02:20:35,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:35,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:35,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:35,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:35,583 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:35,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-11 02:20:35,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/4dbcd8f69/af34612c8b2641f9808490d3aff356ba/FLAG74bef1aae [2021-10-11 02:20:36,235 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:36,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-11 02:20:36,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/4dbcd8f69/af34612c8b2641f9808490d3aff356ba/FLAG74bef1aae [2021-10-11 02:20:36,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/4dbcd8f69/af34612c8b2641f9808490d3aff356ba [2021-10-11 02:20:36,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:36,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:36,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:36,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:36,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:36,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:36" (1/1) ... [2021-10-11 02:20:36,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244b6030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:36, skipping insertion in model container [2021-10-11 02:20:36,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:36" (1/1) ... [2021-10-11 02:20:36,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:36,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:37,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:37,045 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:20:37,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11f0b6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:37, skipping insertion in model container [2021-10-11 02:20:37,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:37,047 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:37,050 INFO L168 Benchmark]: Toolchain (without parser) took 547.17 ms. Allocated memory is still 115.3 MB. Free memory was 77.7 MB in the beginning and 85.2 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:37,052 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 56.0 MB in the beginning and 56.0 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:37,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.15 ms. Allocated memory is still 115.3 MB. Free memory was 77.6 MB in the beginning and 85.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:37,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 56.0 MB in the beginning and 56.0 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.15 ms. Allocated memory is still 115.3 MB. Free memory was 77.6 MB in the beginning and 85.2 MB in the end (delta: -7.6 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 0.2.0-7b2dab5 [2021-10-11 02:20:39,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:39,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:39,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:39,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:39,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:39,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:39,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:39,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:39,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:39,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:39,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:39,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:39,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:39,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:39,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:39,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:39,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:39,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:39,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:39,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:39,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:39,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:39,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:39,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:39,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:39,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:39,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:39,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:39,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:39,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:39,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:39,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:39,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:39,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:39,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:39,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:39,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:39,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:39,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:39,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:39,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:39,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:39,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:39,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:39,444 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:39,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:39,445 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:39,445 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:39,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:39,445 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:39,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:20:39,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:20:39,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:39,449 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:39,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:20:39,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:39,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:39,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:39,450 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:20:39,450 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:20:39,450 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:20:39,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:39,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:39,451 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:39,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:39,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:39,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:39,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:39,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:39,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:39,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:39,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:39,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:39,454 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:39,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:39,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:39,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:39,454 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_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 [2021-10-11 02:20:39,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:39,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:39,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:39,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:39,834 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:39,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-11 02:20:39,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/71b235819/c91ae6c2495d47f1a32715427ebcc436/FLAG97489e2f9 [2021-10-11 02:20:40,534 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:40,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-11 02:20:40,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/71b235819/c91ae6c2495d47f1a32715427ebcc436/FLAG97489e2f9 [2021-10-11 02:20:40,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/data/71b235819/c91ae6c2495d47f1a32715427ebcc436 [2021-10-11 02:20:40,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:40,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:40,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:40,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:40,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:40,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269d985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:40, skipping insertion in model container [2021-10-11 02:20:40,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:40" (1/1) ... [2021-10-11 02:20:40,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:40,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:41,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:41,418 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:41,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:41,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:41,536 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:41,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:41,715 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:41,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41 WrapperNode [2021-10-11 02:20:41,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:41,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:41,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:41,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:41,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:41,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:41,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:41,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:41,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... [2021-10-11 02:20:41,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:41,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:41,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:41,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:41,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:20:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:20:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:42,233 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:42,234 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 02:20:42,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:42 BoogieIcfgContainer [2021-10-11 02:20:42,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:42,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:42,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:42,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:42,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:40" (1/3) ... [2021-10-11 02:20:42,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9b2a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:42, skipping insertion in model container [2021-10-11 02:20:42,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:41" (2/3) ... [2021-10-11 02:20:42,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9b2a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:42, skipping insertion in model container [2021-10-11 02:20:42,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:42" (3/3) ... [2021-10-11 02:20:42,242 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2021-10-11 02:20:42,255 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:42,258 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:20:42,268 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:20:42,287 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:42,287 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:20:42,287 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:42,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:42,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:42,288 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:42,288 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:42,288 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:42,299 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 02:20:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:20:42,305 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:42,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:20:42,306 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:20:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:42,311 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-10-11 02:20:42,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:42,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275908217] [2021-10-11 02:20:42,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c182310-006b-40b2-a5d8-c0e4185e2c4a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:42,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:42,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:42,480 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:20:42,481 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:20:42,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:42 BoogieIcfgContainer [2021-10-11 02:20:42,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:42,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:42,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:42,724 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:42,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:42" (3/4) ... [2021-10-11 02:20:42,728 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:20:42,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:42,731 INFO L168 Benchmark]: Toolchain (without parser) took 1907.50 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.6 MB in the beginning and 32.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:42,732 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:42,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 891.17 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.5 MB in the beginning and 45.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:42,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.36 ms. Allocated memory is still 77.6 MB. Free memory was 45.9 MB in the beginning and 43.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:42,751 INFO L168 Benchmark]: Boogie Preprocessor took 24.60 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 42.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:42,752 INFO L168 Benchmark]: RCFGBuilder took 440.63 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 50.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:42,753 INFO L168 Benchmark]: TraceAbstraction took 486.85 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 32.7 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:42,753 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 77.6 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 158.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:42,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 891.17 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.5 MB in the beginning and 45.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.36 ms. Allocated memory is still 77.6 MB. Free memory was 45.9 MB in the beginning and 43.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.60 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 42.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 440.63 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 50.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 486.85 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 32.7 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.63 ms. Allocated memory is still 77.6 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 158.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [a8={0:0}, ldv_global_msg_list={3:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...