./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.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_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/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_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/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_1f6a4973-db55-426f-b056-0a5f219afcbe/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:01:38,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:01:38,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:01:38,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:01:38,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:01:39,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:01:39,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:01:39,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:01:39,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:01:39,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:01:39,026 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:01:39,027 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:01:39,028 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:01:39,029 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:01:39,049 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:01:39,050 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:01:39,050 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:01:39,050 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:01:39,051 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:01:39,051 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:01:39,052 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:01:39,052 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:01:39,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:01:39,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:01:39,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:01:39,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:01:39,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:01:39,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:01:39,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:01:39,056 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:01:39,057 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:01:39,058 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:01:39,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:01:39,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:01:39,058 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:01:39,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:01:39,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:01:39,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:01:39,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:01:39,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:01:39,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:01:39,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:01:39,061 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:01:39,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:01:39,061 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:01:39,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:01:39,062 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_1f6a4973-db55-426f-b056-0a5f219afcbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-06 21:01:39,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:01:39,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:01:39,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:01:39,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:01:39,420 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:01:39,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 21:01:42,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:01:42,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:01:42,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 21:01:42,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data/d1caf7fb0/ea251378cd634c1e91efed9cc96eed77/FLAGf925fa799 [2023-11-06 21:01:42,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data/d1caf7fb0/ea251378cd634c1e91efed9cc96eed77 [2023-11-06 21:01:42,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:01:42,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:01:42,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:01:42,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:01:42,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:01:42,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:01:42" (1/1) ... [2023-11-06 21:01:42,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c39230f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:42, skipping insertion in model container [2023-11-06 21:01:42,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:01:42" (1/1) ... [2023-11-06 21:01:43,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:01:43,563 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:43,563 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:43,565 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:43,567 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:43,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:01:43,655 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 21:01:43,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@717219f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:43, skipping insertion in model container [2023-11-06 21:01:43,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:01:43,656 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:01:43,660 INFO L158 Benchmark]: Toolchain (without parser) took 698.39ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 134.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:01:43,661 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:01:43,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.54ms. Allocated memory is still 182.5MB. Free memory was 148.8MB in the beginning and 134.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:01:43,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.54ms. Allocated memory is still 182.5MB. Free memory was 148.8MB in the beginning and 134.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: 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_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/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_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/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_1f6a4973-db55-426f-b056-0a5f219afcbe/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:01:46,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:01:46,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:01:46,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:01:46,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:01:46,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:01:46,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:01:46,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:01:46,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:01:46,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:01:46,439 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:01:46,440 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:01:46,440 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:01:46,442 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:01:46,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:01:46,443 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:01:46,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:01:46,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:01:46,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:01:46,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:01:46,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:01:46,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:01:46,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:01:46,448 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:01:46,449 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:01:46,449 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:01:46,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:01:46,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:01:46,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:01:46,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:01:46,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:01:46,453 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:01:46,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:01:46,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:01:46,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:01:46,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:01:46,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:01:46,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:01:46,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:01:46,456 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:01:46,456 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:01:46,460 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:01:46,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:01:46,461 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_1f6a4973-db55-426f-b056-0a5f219afcbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-06 21:01:46,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:01:46,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:01:46,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:01:46,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:01:46,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:01:46,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 21:01:50,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:01:50,503 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:01:50,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 21:01:50,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data/96f1f79f6/90e0545b2b5448faa7af6da6e02d6ca9/FLAGa408f51d8 [2023-11-06 21:01:50,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/data/96f1f79f6/90e0545b2b5448faa7af6da6e02d6ca9 [2023-11-06 21:01:50,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:01:50,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:01:50,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:01:50,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:01:50,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:01:50,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:01:50" (1/1) ... [2023-11-06 21:01:50,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c68697b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:50, skipping insertion in model container [2023-11-06 21:01:50,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:01:50" (1/1) ... [2023-11-06 21:01:50,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:01:51,228 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,229 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,229 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,232 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:01:51,294 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:01:51,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:01:51,341 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,342 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,342 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,343 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:01:51,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:01:51,397 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,398 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,398 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,399 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:01:51,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:01:51,490 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:01:51,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51 WrapperNode [2023-11-06 21:01:51,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:01:51,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:01:51,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:01:51,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:01:51,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,564 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 158 [2023-11-06 21:01:51,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:01:51,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:01:51,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:01:51,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:01:51,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:01:51,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:01:51,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:01:51,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:01:51,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (1/1) ... [2023-11-06 21:01:51,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:01:51,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:01:51,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:01:51,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a4973-db55-426f-b056-0a5f219afcbe/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:01:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:01:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 21:01:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 21:01:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:01:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:01:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:01:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:01:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 21:01:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:01:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:01:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:01:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:01:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:01:51,740 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:01:51,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:01:51,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:01:52,703 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:01:52,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:01:52,724 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:01:52,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:01:52 BoogieIcfgContainer [2023-11-06 21:01:52,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:01:52,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:01:52,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:01:52,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:01:52,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:01:50" (1/3) ... [2023-11-06 21:01:52,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2520f6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:01:52, skipping insertion in model container [2023-11-06 21:01:52,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:01:51" (2/3) ... [2023-11-06 21:01:52,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2520f6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:01:52, skipping insertion in model container [2023-11-06 21:01:52,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:01:52" (3/3) ... [2023-11-06 21:01:52,739 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2023-11-06 21:01:52,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:01:52,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-11-06 21:01:52,760 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:01:52,954 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:01:53,005 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:01:53,019 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 278 transitions, 564 flow [2023-11-06 21:01:53,023 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 278 transitions, 564 flow [2023-11-06 21:01:53,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 268 places, 278 transitions, 564 flow [2023-11-06 21:01:53,219 INFO L124 PetriNetUnfolderBase]: 17/276 cut-off events. [2023-11-06 21:01:53,220 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:01:53,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 276 events. 17/276 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 743 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 214. Up to 2 conditions per place. [2023-11-06 21:01:53,239 INFO L119 LiptonReduction]: Number of co-enabled transitions 8400