./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_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_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/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_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/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_48f85e0a-c85c-42f5-b719-3861424febae/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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:03:11,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:03:11,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:03:12,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:03:12,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:03:12,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:03:12,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:03:12,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:03:12,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:03:12,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:03:12,052 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:03:12,053 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:03:12,053 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:03:12,055 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:03:12,055 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:03:12,056 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:03:12,056 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:03:12,057 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:03:12,057 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:03:12,058 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:03:12,058 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:03:12,059 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:03:12,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:03:12,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:03:12,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:03:12,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:03:12,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:03:12,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:03:12,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:03:12,063 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:03:12,065 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:03:12,065 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:03:12,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:03:12,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:03:12,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:03:12,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:03:12,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:03:12,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:03:12,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:03:12,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:03:12,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:03:12,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:03:12,069 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:03:12,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:03:12,070 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:03:12,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:03:12,070 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_48f85e0a-c85c-42f5-b719-3861424febae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2023-11-06 21:03:12,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:03:12,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:03:12,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:03:12,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:03:12,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:03:12,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-06 21:03:15,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:03:15,783 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:03:15,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-06 21:03:15,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data/5d3c4e40b/0478c5b4b9ee4994836211f458b98dc1/FLAG67ea60c00 [2023-11-06 21:03:15,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data/5d3c4e40b/0478c5b4b9ee4994836211f458b98dc1 [2023-11-06 21:03:15,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:03:15,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:03:15,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:15,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:03:15,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:03:15,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:15" (1/1) ... [2023-11-06 21:03:15,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114516fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:15, skipping insertion in model container [2023-11-06 21:03:15,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:15" (1/1) ... [2023-11-06 21:03:15,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:03:16,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:16,639 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 21:03:16,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71aeadc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:16, skipping insertion in model container [2023-11-06 21:03:16,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:16,641 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:03:16,643 INFO L158 Benchmark]: Toolchain (without parser) took 813.30ms. Allocated memory is still 130.0MB. Free memory was 81.4MB in the beginning and 65.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:03:16,643 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:03:16,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.66ms. Allocated memory is still 130.0MB. Free memory was 81.3MB in the beginning and 65.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:03:16,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.66ms. Allocated memory is still 130.0MB. Free memory was 81.3MB in the beginning and 65.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1239]: 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_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/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_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/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_48f85e0a-c85c-42f5-b719-3861424febae/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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:03:19,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:03:19,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:03:19,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:03:19,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:03:19,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:03:19,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:03:19,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:03:19,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:03:19,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:03:19,400 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:03:19,401 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:03:19,401 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:03:19,403 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:03:19,403 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:03:19,404 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:03:19,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:03:19,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:03:19,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:03:19,406 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:03:19,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:03:19,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:03:19,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:03:19,408 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:03:19,408 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:03:19,409 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:03:19,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:03:19,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:03:19,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:03:19,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:03:19,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:03:19,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:03:19,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:03:19,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:03:19,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:03:19,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:03:19,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:03:19,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:03:19,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:03:19,414 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:03:19,415 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:03:19,415 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:03:19,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:03:19,415 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_48f85e0a-c85c-42f5-b719-3861424febae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2023-11-06 21:03:19,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:03:19,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:03:19,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:03:19,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:03:19,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:03:19,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-06 21:03:23,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:03:23,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:03:23,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-06 21:03:23,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data/9c40eec68/04855daf9ae34f98bec1ea68e2a7ba0d/FLAGb3fb30dd9 [2023-11-06 21:03:23,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/data/9c40eec68/04855daf9ae34f98bec1ea68e2a7ba0d [2023-11-06 21:03:23,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:03:23,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:03:23,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:23,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:03:23,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:03:23,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:23" (1/1) ... [2023-11-06 21:03:23,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753b981c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:23, skipping insertion in model container [2023-11-06 21:03:23,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:23" (1/1) ... [2023-11-06 21:03:23,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:03:24,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:24,597 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:03:24,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:03:24,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:24,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:03:24,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:24,864 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:03:24,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24 WrapperNode [2023-11-06 21:03:24,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:24,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:03:24,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:03:24,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:03:24,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,948 INFO L138 Inliner]: procedures = 369, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 97 [2023-11-06 21:03:24,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:03:24,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:03:24,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:03:24,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:03:24,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:24,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:03:24,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:03:24,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:03:24,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:03:24,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (1/1) ... [2023-11-06 21:03:25,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:03:25,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:03:25,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:03:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f85e0a-c85c-42f5-b719-3861424febae/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:03:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:03:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:03:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:03:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:03:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:03:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 21:03:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 21:03:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:03:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:03:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:03:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 21:03:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 21:03:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:03:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:03:25,098 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 21:03:25,355 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:03:25,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:03:25,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:03:25,911 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:03:25,911 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:03:25,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:25 BoogieIcfgContainer [2023-11-06 21:03:25,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:03:25,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:03:25,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:03:25,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:03:25,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:03:23" (1/3) ... [2023-11-06 21:03:25,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7203a8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:03:25, skipping insertion in model container [2023-11-06 21:03:25,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:24" (2/3) ... [2023-11-06 21:03:25,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7203a8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:03:25, skipping insertion in model container [2023-11-06 21:03:25,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:25" (3/3) ... [2023-11-06 21:03:25,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2023-11-06 21:03:25,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:03:25,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2023-11-06 21:03:25,945 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:03:26,067 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:03:26,117 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:03:26,139 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 146 transitions, 296 flow [2023-11-06 21:03:26,145 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 146 transitions, 296 flow [2023-11-06 21:03:26,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 146 transitions, 296 flow [2023-11-06 21:03:26,214 INFO L124 PetriNetUnfolderBase]: 0/145 cut-off events. [2023-11-06 21:03:26,214 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:03:26,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 145 events. 0/145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-06 21:03:26,220 INFO L119 LiptonReduction]: Number of co-enabled transitions 1924