./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:05,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:05,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:24:05,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:05,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:05,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:05,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:05,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:05,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:05,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:05,159 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:05,160 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:05,161 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:05,162 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:05,162 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:05,163 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:05,164 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:05,164 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:05,165 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:05,166 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:05,167 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:05,168 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:05,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:24:05,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:24:05,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:05,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:05,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:05,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:05,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:05,174 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:24:05,174 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:24:05,175 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:24:05,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:05,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:05,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:24:05,177 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:05,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:05,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:05,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:05,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:05,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:05,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:05,180 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:05,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:05,181 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:05,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:05,181 INFO L153 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_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2023-11-19 05:24:05,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:05,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:05,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:05,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:05,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:05,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-11-19 05:24:08,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:09,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:09,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-11-19 05:24:09,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data/b4f66b8f7/c54a480272014e489aa454e3a855806c/FLAG826025e37 [2023-11-19 05:24:09,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data/b4f66b8f7/c54a480272014e489aa454e3a855806c [2023-11-19 05:24:09,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:09,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:09,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:09,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:09,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:09,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:09" (1/1) ... [2023-11-19 05:24:09,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33259c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:09, skipping insertion in model container [2023-11-19 05:24:09,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:09" (1/1) ... [2023-11-19 05:24:09,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:09,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:09,882 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 05:24:09,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c5bcc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:09, skipping insertion in model container [2023-11-19 05:24:09,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:09,884 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:24:09,886 INFO L158 Benchmark]: Toolchain (without parser) took 600.89ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 79.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,887 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 140.5MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:09,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.06ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 79.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 140.5MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.06ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 79.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:12,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:12,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:24:12,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:12,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:12,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:12,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:12,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:12,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:12,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:12,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:12,600 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:12,601 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:12,602 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:12,602 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:12,603 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:12,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:24:12,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:24:12,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:12,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:12,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:12,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:12,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:12,608 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:24:12,609 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:24:12,609 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:24:12,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:12,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:12,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:24:12,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:24:12,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:24:12,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:12,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:12,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:12,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:24:12,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:12,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:12,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:12,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:12,615 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:24:12,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:12,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:12,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:12,617 INFO L153 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_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2023-11-19 05:24:13,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:13,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:13,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:13,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:13,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:13,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-11-19 05:24:16,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:16,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:16,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-11-19 05:24:16,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data/e5a698263/05d4ff816e6049c8bb7aef0aed7eeab4/FLAG5dc6fe112 [2023-11-19 05:24:16,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/data/e5a698263/05d4ff816e6049c8bb7aef0aed7eeab4 [2023-11-19 05:24:16,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:16,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:16,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:16,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:16,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:16,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:16" (1/1) ... [2023-11-19 05:24:16,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f476d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:16, skipping insertion in model container [2023-11-19 05:24:16,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:16" (1/1) ... [2023-11-19 05:24:16,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:17,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:17,279 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:24:17,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:17,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:17,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:17,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:17,520 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:24:17,529 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:17,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17 WrapperNode [2023-11-19 05:24:17,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:17,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:17,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:17,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:17,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,617 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 15 [2023-11-19 05:24:17,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:17,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:17,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:17,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:17,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:17,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:17,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:17,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:17,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:17,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:17,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:17,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:24:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:24:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:24:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:24:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:17,958 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:17,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:18,106 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:18,114 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:18,114 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:24:18,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:18 BoogieIcfgContainer [2023-11-19 05:24:18,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:18,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:18,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:18,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:18,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:16" (1/3) ... [2023-11-19 05:24:18,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538e372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:18, skipping insertion in model container [2023-11-19 05:24:18,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (2/3) ... [2023-11-19 05:24:18,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538e372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:18, skipping insertion in model container [2023-11-19 05:24:18,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:18" (3/3) ... [2023-11-19 05:24:18,133 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2023-11-19 05:24:18,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:18,155 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:18,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:18,227 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d193b40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:18,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:24:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:24:18,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:18,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:18,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 05:24:18,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:18,253 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2023-11-19 05:24:18,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:18,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692720169] [2023-11-19 05:24:18,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:18,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:18,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:18,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:18,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:24:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:18,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:24:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:18,427 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 05:24:18,429 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:24:18,431 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-11-19 05:24:18,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:24:18,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:18,638 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:24:18,645 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:24:18,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret42 [2023-11-19 05:24:18,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:24:18 BoogieIcfgContainer [2023-11-19 05:24:18,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:24:18,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:24:18,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:24:18,670 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:24:18,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:18" (3/4) ... [2023-11-19 05:24:18,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:24:18,674 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:24:18,675 INFO L158 Benchmark]: Toolchain (without parser) took 1955.11ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 52.0MB in the beginning and 36.9MB in the end (delta: 15.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 05:24:18,676 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:18,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.85ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 52.0MB in the beginning and 65.1MB in the end (delta: -13.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-19 05:24:18,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.31ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:18,680 INFO L158 Benchmark]: Boogie Preprocessor took 54.43ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 61.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:18,681 INFO L158 Benchmark]: RCFGBuilder took 446.00ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 51.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:24:18,687 INFO L158 Benchmark]: TraceAbstraction took 544.74ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 37.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:24:18,688 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 96.5MB. Free memory was 37.4MB in the beginning and 36.9MB in the end (delta: 439.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:18,698 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.85ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 52.0MB in the beginning and 65.1MB in the end (delta: -13.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.31ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.43ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 61.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.00ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 51.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 544.74ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 37.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 96.5MB. Free memory was 37.4MB in the beginning and 36.9MB in the end (delta: 439.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret42 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 [2023-11-19 05:24:18,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649a5515-847e-43d3-946a-c262c8b89188/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample