./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:05:23,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:05:23,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:05:23,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:05:23,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:05:23,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:05:23,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:05:23,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:05:23,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:05:23,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:05:23,237 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:05:23,238 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:05:23,239 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:05:23,239 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:05:23,240 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:05:23,240 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:05:23,241 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:05:23,241 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:05:23,242 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:05:23,242 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:05:23,243 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:05:23,244 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:05:23,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:05:23,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:05:23,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:05:23,246 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:05:23,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:05:23,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:05:23,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:05:23,248 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:05:23,248 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:05:23,249 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:05:23,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:05:23,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:05:23,250 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:05:23,250 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:05:23,251 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:05:23,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:05:23,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:05:23,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:05:23,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:05:23,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:05:23,254 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:05:23,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:05:23,254 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:05:23,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:05:23,255 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_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2023-11-06 21:05:23,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:05:23,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:05:23,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:05:23,543 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:05:23,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:05:23,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-06 21:05:26,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:05:27,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:05:27,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-06 21:05:27,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data/4b205f604/dcaa728210ac43b4bd20a8d745d22b01/FLAGed3dfbe08 [2023-11-06 21:05:27,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data/4b205f604/dcaa728210ac43b4bd20a8d745d22b01 [2023-11-06 21:05:27,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:05:27,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:05:27,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:27,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:05:27,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:05:27,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:27" (1/1) ... [2023-11-06 21:05:27,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5752a264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:27, skipping insertion in model container [2023-11-06 21:05:27,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:27" (1/1) ... [2023-11-06 21:05:27,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:05:27,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:27,566 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) [2023-11-06 21:05:27,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32e839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:27, skipping insertion in model container [2023-11-06 21:05:27,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:27,570 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:05:27,572 INFO L158 Benchmark]: Toolchain (without parser) took 470.70ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 124.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:05:27,572 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:05:27,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.09ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 124.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:05:27,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.09ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 124.0MB 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_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:05:30,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:05:30,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:05:30,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:05:30,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:05:30,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:05:30,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:05:30,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:05:30,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:05:30,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:05:30,377 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:05:30,378 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:05:30,378 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:05:30,380 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:05:30,381 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:05:30,381 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:05:30,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:05:30,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:05:30,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:05:30,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:05:30,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:05:30,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:05:30,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:05:30,387 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:05:30,387 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:05:30,388 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:05:30,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:05:30,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:05:30,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:05:30,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:05:30,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:05:30,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:05:30,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:05:30,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:05:30,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:05:30,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:05:30,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:05:30,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:05:30,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:05:30,396 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:05:30,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:05:30,397 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:05:30,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:05:30,398 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_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2023-11-06 21:05:30,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:05:30,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:05:30,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:05:30,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:05:30,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:05:30,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-06 21:05:34,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:05:34,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:05:34,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-06 21:05:34,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data/7d3c738e4/1ab73982d2df499492078816fe1ffd08/FLAGc92c23b24 [2023-11-06 21:05:34,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/data/7d3c738e4/1ab73982d2df499492078816fe1ffd08 [2023-11-06 21:05:34,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:05:34,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:05:34,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:34,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:05:34,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:05:34,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:34" (1/1) ... [2023-11-06 21:05:34,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8a20b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:34, skipping insertion in model container [2023-11-06 21:05:34,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:34" (1/1) ... [2023-11-06 21:05:34,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:05:35,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:35,144 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:05:35,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:05:35,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:35,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:05:35,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:35,401 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:05:35,409 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:05:35,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35 WrapperNode [2023-11-06 21:05:35,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:35,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:05:35,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:05:35,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:05:35,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,464 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 21 [2023-11-06 21:05:35,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:05:35,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:05:35,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:05:35,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:05:35,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:05:35,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:05:35,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:05:35,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:05:35,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (1/1) ... [2023-11-06 21:05:35,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:05:35,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:05:35,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:05:35,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:05:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:05:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:05:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:05:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:05:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:05:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:05:35,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:05:35,733 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:05:35,736 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:05:35,930 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:05:35,937 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:05:35,937 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:05:35,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:35 BoogieIcfgContainer [2023-11-06 21:05:35,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:05:35,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:05:35,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:05:35,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:05:35,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:34" (1/3) ... [2023-11-06 21:05:35,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46014da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:35, skipping insertion in model container [2023-11-06 21:05:35,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:35" (2/3) ... [2023-11-06 21:05:35,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46014da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:35, skipping insertion in model container [2023-11-06 21:05:35,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:35" (3/3) ... [2023-11-06 21:05:35,951 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2023-11-06 21:05:35,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:05:35,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:05:36,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:05:36,042 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;@68bf6966, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 21:05:36,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:05:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-11-06 21:05:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 21:05:36,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:05:36,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:05:36,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-06 21:05:36,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:05:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2023-11-06 21:05:36,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-06 21:05:36,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745417018] [2023-11-06 21:05:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:05:36,095 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 [2023-11-06 21:05:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/mathsat [2023-11-06 21:05:36,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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) [2023-11-06 21:05:36,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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 [2023-11-06 21:05:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:05:36,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:05:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:05:36,349 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-06 21:05:36,351 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:05:36,352 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-11-06 21:05:36,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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 [2023-11-06 21:05:36,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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 [2023-11-06 21:05:36,572 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 21:05:36,580 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:05:36,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:05:36 BoogieIcfgContainer [2023-11-06 21:05:36,615 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:05:36,617 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:05:36,617 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:05:36,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:05:36,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:35" (3/4) ... [2023-11-06 21:05:36,623 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:05:36,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:05:36,627 INFO L158 Benchmark]: Toolchain (without parser) took 2135.75ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 61.8MB in the end (delta: 462.1kB). Peak memory consumption was 967.0kB. Max. memory is 16.1GB. [2023-11-06 21:05:36,633 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:05:36,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.04ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 56.8MB in the end (delta: 5.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-06 21:05:36,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:05:36,638 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 88.1MB. Free memory was 54.7MB in the beginning and 53.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:05:36,639 INFO L158 Benchmark]: RCFGBuilder took 443.85ms. Allocated memory is still 88.1MB. Free memory was 53.6MB in the beginning and 42.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:05:36,639 INFO L158 Benchmark]: TraceAbstraction took 672.40ms. Allocated memory is still 88.1MB. Free memory was 42.2MB in the beginning and 62.3MB in the end (delta: -20.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-06 21:05:36,642 INFO L158 Benchmark]: Witness Printer took 8.37ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 61.8MB in the end (delta: 456.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:05:36,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 918.04ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 56.8MB in the end (delta: 5.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 88.1MB. Free memory was 54.7MB in the beginning and 53.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.85ms. Allocated memory is still 88.1MB. Free memory was 53.6MB in the beginning and 42.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 672.40ms. Allocated memory is still 88.1MB. Free memory was 42.2MB in the beginning and 62.3MB in the end (delta: -20.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 8.37ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 61.8MB in the end (delta: 456.2kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. 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}] [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A21))={2:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [\result={2:4}, ldv_global_msg_list={1:0}, p={2:0}] [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=15occurred 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, 12 NumberOfCodeBlocks, 12 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 [2023-11-06 21:05:36,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06ecc5b-f001-4df7-95f6-39c41f16f4c8/bin/utaipan-verify-FOvIYxoinp/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