./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 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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:43,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:43,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:07:43,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:43,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:43,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:43,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:43,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:43,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:43,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:43,382 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:43,383 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:43,384 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:43,387 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:07:43,387 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:43,388 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:43,388 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:07:43,389 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:07:43,390 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:43,390 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:07:43,391 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:07:43,392 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:07:43,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:07:43,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:07:43,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:43,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:07:43,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:07:43,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:07:43,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:43,398 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:07:43,399 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:07:43,400 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:07:43,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:43,400 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:07:43,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:07:43,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:07:43,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:43,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:43,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:43,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:43,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:43,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:43,403 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:07:43,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:07:43,404 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:43,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:43,405 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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-11-19 05:07:43,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:43,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:43,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:43,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:43,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:43,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 05:07:47,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:48,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:48,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 05:07:48,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data/c28694698/9b34957b0e894194903ab6d428dc84ac/FLAG53b055c48 [2023-11-19 05:07:48,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data/c28694698/9b34957b0e894194903ab6d428dc84ac [2023-11-19 05:07:48,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:48,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:48,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:48,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:48,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:48,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:48" (1/1) ... [2023-11-19 05:07:48,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421aca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:48, skipping insertion in model container [2023-11-19 05:07:48,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:48" (1/1) ... [2023-11-19 05:07:48,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:48,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:48,944 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 05:07:48,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@deedb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:48, skipping insertion in model container [2023-11-19 05:07:48,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:48,946 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:07:48,949 INFO L158 Benchmark]: Toolchain (without parser) took 719.95ms. Allocated memory is still 136.3MB. Free memory was 87.4MB in the beginning and 73.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:07:48,950 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 136.3MB. Free memory was 103.3MB in the beginning and 103.3MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:48,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.94ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 73.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:07:48,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 136.3MB. Free memory was 103.3MB in the beginning and 103.3MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.94ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 73.6MB in the end (delta: 13.4MB). 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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:52,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:52,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:07:52,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:52,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:52,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:52,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:52,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:52,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:52,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:52,357 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:52,358 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:52,359 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:52,361 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:52,362 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:52,363 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:52,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:07:52,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:07:52,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:52,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:07:52,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:07:52,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:07:52,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:52,371 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:07:52,371 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:07:52,372 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:07:52,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:52,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:07:52,374 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:07:52,374 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:07:52,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:07:52,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:07:52,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:52,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:52,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:07:52,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:52,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:52,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:52,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:52,381 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:07:52,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:07:52,381 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:52,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:52,382 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_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-11-19 05:07:52,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:53,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:53,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:53,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:53,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:53,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 05:07:56,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:57,078 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:57,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-11-19 05:07:57,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data/fc194dccf/0f20c59d5419425fafbf175f81839d95/FLAGba1a871cc [2023-11-19 05:07:57,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/data/fc194dccf/0f20c59d5419425fafbf175f81839d95 [2023-11-19 05:07:57,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:57,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:57,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:57,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:57,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:57,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:57" (1/1) ... [2023-11-19 05:07:57,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3dc651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:57, skipping insertion in model container [2023-11-19 05:07:57,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:57" (1/1) ... [2023-11-19 05:07:57,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:57,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:57,875 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:07:57,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:58,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:58,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:58,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:58,222 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:58,234 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:58,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58 WrapperNode [2023-11-19 05:07:58,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:58,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:58,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:58,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:58,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,325 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 16 [2023-11-19 05:07:58,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:58,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:58,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:58,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:58,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:58,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:58,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:58,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:58,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (1/1) ... [2023-11-19 05:07:58,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:58,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:58,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:58,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:07:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:07:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:07:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:07:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:58,722 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:58,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:58,886 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:58,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:58,896 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:07:58,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:58 BoogieIcfgContainer [2023-11-19 05:07:58,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:58,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:58,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:58,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:58,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:57" (1/3) ... [2023-11-19 05:07:58,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197ad1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:58, skipping insertion in model container [2023-11-19 05:07:58,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:58" (2/3) ... [2023-11-19 05:07:58,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197ad1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:58, skipping insertion in model container [2023-11-19 05:07:58,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:58" (3/3) ... [2023-11-19 05:07:58,913 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2023-11-19 05:07:58,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:58,938 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:59,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:59,012 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;@6fc246d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:59,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:59,018 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 05:07:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:07:59,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:59,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:59,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 05:07:59,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2023-11-19 05:07:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:59,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737537865] [2023-11-19 05:07:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:59,055 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 05:07:59,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:59,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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 05:07:59,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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 05:07:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:59,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:07:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:59,283 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 05:07:59,285 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:07:59,287 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-11-19 05:07:59,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:59,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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 05:07:59,494 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:07:59,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:59,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret42 [2023-11-19 05:07:59,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:59 BoogieIcfgContainer [2023-11-19 05:07:59,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:59,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:59,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:59,528 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:59,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:58" (3/4) ... [2023-11-19 05:07:59,531 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:07:59,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:59,546 INFO L158 Benchmark]: Toolchain (without parser) took 2413.66ms. Allocated memory was 62.9MB in the beginning and 102.8MB in the end (delta: 39.8MB). Free memory was 37.2MB in the beginning and 61.5MB in the end (delta: -24.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,547 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:59,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1113.77ms. Allocated memory was 62.9MB in the beginning and 102.8MB in the end (delta: 39.8MB). Free memory was 37.0MB in the beginning and 62.2MB in the end (delta: -25.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.49ms. Allocated memory is still 102.8MB. Free memory was 62.2MB in the beginning and 60.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,549 INFO L158 Benchmark]: Boogie Preprocessor took 60.60ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 58.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,550 INFO L158 Benchmark]: RCFGBuilder took 514.48ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 75.6MB in the end (delta: -16.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,550 INFO L158 Benchmark]: TraceAbstraction took 619.66ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 62.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,551 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 61.5MB in the end (delta: 512.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:59,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1113.77ms. Allocated memory was 62.9MB in the beginning and 102.8MB in the end (delta: 39.8MB). Free memory was 37.0MB in the beginning and 62.2MB in the end (delta: -25.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.49ms. Allocated memory is still 102.8MB. Free memory was 62.2MB in the beginning and 60.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.60ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 58.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.48ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 75.6MB in the end (delta: -16.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 619.66ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 62.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 61.5MB in the end (delta: 512.9kB). Peak memory consumption was 2.1MB. 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: 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={1:0}] [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a8={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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 05:07:59,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6343ca27-3fc3-48a1-80e6-be48f04fb7b4/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