./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:30:54,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:30:54,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:30:54,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:30:54,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:30:54,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:30:54,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:30:54,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:30:54,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:30:54,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:30:54,754 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:30:54,755 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:30:54,755 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:30:54,756 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:30:54,757 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:30:54,757 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:30:54,758 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:30:54,759 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:30:54,759 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:30:54,760 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:30:54,761 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:30:54,762 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:30:54,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:30:54,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:30:54,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:30:54,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:30:54,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:30:54,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:30:54,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:30:54,767 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:30:54,767 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:30:54,768 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:30:54,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:30:54,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:30:54,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:30:54,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:30:54,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:30:54,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:30:54,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:30:54,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:30:54,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:30:54,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:30:54,771 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:30:54,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:30:54,772 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:30:54,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:30:54,772 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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2023-11-06 20:30:55,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:30:55,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:30:55,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:30:55,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:30:55,139 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:30:55,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-06 20:30:58,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:30:58,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:30:58,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-06 20:30:58,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data/e1f466c00/9b7cfb1f913a47c18d700028e1fb286c/FLAGbcaeb526a [2023-11-06 20:30:58,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data/e1f466c00/9b7cfb1f913a47c18d700028e1fb286c [2023-11-06 20:30:58,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:30:58,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:30:58,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:30:58,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:30:58,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:30:58,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:30:58" (1/1) ... [2023-11-06 20:30:58,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259f087b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:58, skipping insertion in model container [2023-11-06 20:30:58,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:30:58" (1/1) ... [2023-11-06 20:30:58,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:30:59,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:30:59,558 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 20:30:59,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71f4ebca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:59, skipping insertion in model container [2023-11-06 20:30:59,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:30:59,560 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:30:59,562 INFO L158 Benchmark]: Toolchain (without parser) took 660.21ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 77.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 20:30:59,562 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:30:59,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.22ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 77.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 20:30:59,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.22ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 77.6MB in the end (delta: 13.6MB). 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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:31:02,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:31:02,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:31:02,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:31:02,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:31:02,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:31:02,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:31:02,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:31:02,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:31:02,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:31:02,401 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:31:02,402 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:31:02,402 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:31:02,404 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:31:02,405 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:31:02,406 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:31:02,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:31:02,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:31:02,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:31:02,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:31:02,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:31:02,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:31:02,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:31:02,412 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:31:02,412 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:31:02,413 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:31:02,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:31:02,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:31:02,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:31:02,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:31:02,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:31:02,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:31:02,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:31:02,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:31:02,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:31:02,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:31:02,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:31:02,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:31:02,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:31:02,423 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:31:02,423 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:31:02,424 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:31:02,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:31:02,424 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_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2023-11-06 20:31:02,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:31:02,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:31:02,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:31:02,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:31:02,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:31:02,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-06 20:31:06,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:31:06,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:31:06,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-06 20:31:06,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data/bccdb07ff/0d8100bbcfaf416a93fcb8f54c4255cc/FLAG3fbf8ba9c [2023-11-06 20:31:06,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/data/bccdb07ff/0d8100bbcfaf416a93fcb8f54c4255cc [2023-11-06 20:31:06,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:31:06,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:31:06,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:31:06,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:31:06,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:31:06,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:31:06" (1/1) ... [2023-11-06 20:31:06,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588bab5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:06, skipping insertion in model container [2023-11-06 20:31:06,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:31:06" (1/1) ... [2023-11-06 20:31:06,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:31:07,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:07,567 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:31:07,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:31:07,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:07,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:31:07,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:07,783 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:31:07,792 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:31:07,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07 WrapperNode [2023-11-06 20:31:07,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:31:07,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:31:07,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:31:07,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:31:07,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,853 INFO L138 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 13 [2023-11-06 20:31:07,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:31:07,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:31:07,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:31:07,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:31:07,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:31:07,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:31:07,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:31:07,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:31:07,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (1/1) ... [2023-11-06 20:31:07,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:31:07,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:31:07,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:31:07,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:31:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 20:31:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 20:31:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:31:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:31:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 20:31:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:31:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:31:08,238 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:31:08,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:31:08,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:31:08,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:31:08,438 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 20:31:08,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:31:08 BoogieIcfgContainer [2023-11-06 20:31:08,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:31:08,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:31:08,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:31:08,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:31:08,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:31:06" (1/3) ... [2023-11-06 20:31:08,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288514fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:31:08, skipping insertion in model container [2023-11-06 20:31:08,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:07" (2/3) ... [2023-11-06 20:31:08,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288514fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:31:08, skipping insertion in model container [2023-11-06 20:31:08,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:31:08" (3/3) ... [2023-11-06 20:31:08,459 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test1-1.i [2023-11-06 20:31:08,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:31:08,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 20:31:08,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 20:31:08,577 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;@61247400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 20:31:08,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 20:31:08,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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 20:31:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 20:31:08,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 20:31:08,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 20:31:08,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-06 20:31:08,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 20:31:08,606 INFO L85 PathProgramCache]: Analyzing trace with hash -601742994, now seen corresponding path program 1 times [2023-11-06 20:31:08,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-06 20:31:08,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301418] [2023-11-06 20:31:08,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:31:08,649 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 20:31:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/bin/utaipan-verify-FOvIYxoinp/mathsat [2023-11-06 20:31:08,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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 20:31:08,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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 20:31:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 20:31:08,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 20:31:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 20:31:08,904 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-06 20:31:08,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 20:31:08,910 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-11-06 20:31:08,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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 20:31:09,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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 20:31:09,140 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 20:31:09,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 20:31:09,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 08:31:09 BoogieIcfgContainer [2023-11-06 20:31:09,172 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 20:31:09,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 20:31:09,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 20:31:09,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 20:31:09,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:31:08" (3/4) ... [2023-11-06 20:31:09,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 20:31:09,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 20:31:09,186 INFO L158 Benchmark]: Toolchain (without parser) took 2436.97ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 41.8MB in the beginning and 76.9MB in the end (delta: -35.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-06 20:31:09,194 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:31:09,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1041.64ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 41.7MB in the beginning and 68.5MB in the end (delta: -26.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-06 20:31:09,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.37ms. Allocated memory is still 107.0MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 20:31:09,201 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 65.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 20:31:09,201 INFO L158 Benchmark]: RCFGBuilder took 551.12ms. Allocated memory is still 107.0MB. Free memory was 65.3MB in the beginning and 54.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:31:09,205 INFO L158 Benchmark]: TraceAbstraction took 725.87ms. Allocated memory is still 107.0MB. Free memory was 54.3MB in the beginning and 77.0MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:31:09,205 INFO L158 Benchmark]: Witness Printer took 8.94ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 173.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:31:09,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1041.64ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 41.7MB in the beginning and 68.5MB in the end (delta: -26.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.37ms. Allocated memory is still 107.0MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 65.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.12ms. Allocated memory is still 107.0MB. Free memory was 65.3MB in the beginning and 54.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 725.87ms. Allocated memory is still 107.0MB. Free memory was 54.3MB in the beginning and 77.0MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.94ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 173.3kB). 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. 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}] [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 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=13occurred 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, 10 NumberOfCodeBlocks, 10 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 20:31:09,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7813012-e3c8-47f9-ae4d-8a0818a53c12/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