./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:37,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:38,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:24:38,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:38,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:38,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:38,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:38,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:38,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:38,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:38,076 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:38,077 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:38,077 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:38,079 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:38,079 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:38,079 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:38,080 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:38,080 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:38,081 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:38,081 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:38,082 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:38,082 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:38,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:24:38,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:24:38,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:38,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:38,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:38,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:38,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:38,086 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:24:38,088 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:24:38,088 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:24:38,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:38,088 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:38,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:24:38,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:38,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:38,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:38,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:38,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:38,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:38,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:38,091 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:38,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:38,091 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:38,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:38,092 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_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2023-11-19 05:24:38,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:38,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:38,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:38,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:38,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:38,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-19 05:24:41,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:41,956 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:41,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-19 05:24:41,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data/fe3e6759a/b47f24caf611411a8e6d7176136be320/FLAG6be7e9a40 [2023-11-19 05:24:41,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data/fe3e6759a/b47f24caf611411a8e6d7176136be320 [2023-11-19 05:24:41,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:41,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:42,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:42,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:42,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:42,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:41" (1/1) ... [2023-11-19 05:24:42,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4492b4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42, skipping insertion in model container [2023-11-19 05:24:42,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:41" (1/1) ... [2023-11-19 05:24:42,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:42,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:42,416 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 05:24:42,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42691aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42, skipping insertion in model container [2023-11-19 05:24:42,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:42,418 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:24:42,420 INFO L158 Benchmark]: Toolchain (without parser) took 423.03ms. Allocated memory is still 148.9MB. Free memory was 109.0MB in the beginning and 112.8MB in the end (delta: -3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:24:42,420 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:42,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.69ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 112.8MB in the end (delta: -4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:24:42,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.69ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 112.8MB in the end (delta: -4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 118]: 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_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:45,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:45,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:24:45,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:45,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:45,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:45,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:45,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:45,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:45,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:45,390 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:45,390 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:45,391 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:45,392 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:45,393 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:45,393 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:45,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:24:45,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:24:45,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:45,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:45,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:45,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:45,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:45,397 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:24:45,398 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:24:45,398 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:24:45,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:45,399 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:45,399 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:24:45,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:24:45,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:24:45,402 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:45,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:45,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:45,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:24:45,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:45,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:45,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:45,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:45,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:24:45,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:45,408 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:45,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:45,408 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_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2023-11-19 05:24:45,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:45,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:45,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:45,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:45,853 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:45,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-19 05:24:49,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:49,331 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:49,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-19 05:24:49,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data/8da85a8b1/4aeff7aa79084058a5474b76dbcf4c89/FLAG509103725 [2023-11-19 05:24:49,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/data/8da85a8b1/4aeff7aa79084058a5474b76dbcf4c89 [2023-11-19 05:24:49,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:49,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:49,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:49,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:49,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:49,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:49,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dce4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49, skipping insertion in model container [2023-11-19 05:24:49,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:49,404 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:49,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:49,675 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:24:49,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:49,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:49,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:49,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:49,852 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:49,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49 WrapperNode [2023-11-19 05:24:49,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:49,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:49,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:49,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:49,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:49,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:49,966 INFO L138 Inliner]: procedures = 29, calls = 67, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 423 [2023-11-19 05:24:49,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:49,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:49,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:49,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:49,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:49,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:50,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:50,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:50,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:50,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (1/1) ... [2023-11-19 05:24:50,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:50,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:50,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e48ddf-3ac3-4174-8bcd-f956936fbba4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:24:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:24:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:24:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:24:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:24:50,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:24:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:24:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:24:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 05:24:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 05:24:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:24:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:24:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:24:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:24:50,211 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:24:50,478 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:50,482 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:51,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:51,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:51,927 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 05:24:51,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:51 BoogieIcfgContainer [2023-11-19 05:24:51,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:51,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:51,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:51,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:51,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:49" (1/3) ... [2023-11-19 05:24:51,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db14c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:51, skipping insertion in model container [2023-11-19 05:24:51,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:49" (2/3) ... [2023-11-19 05:24:51,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db14c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:51, skipping insertion in model container [2023-11-19 05:24:51,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:51" (3/3) ... [2023-11-19 05:24:51,954 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2023-11-19 05:24:51,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:51,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-11-19 05:24:51,974 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:24:52,209 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 05:24:52,280 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:24:52,306 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 616 transitions, 1253 flow [2023-11-19 05:24:52,314 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 616 transitions, 1253 flow [2023-11-19 05:24:52,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 616 transitions, 1253 flow [2023-11-19 05:24:52,654 INFO L124 PetriNetUnfolderBase]: 41/613 cut-off events. [2023-11-19 05:24:52,654 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 05:24:52,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 613 events. 41/613 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1073 event pairs, 0 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 507. Up to 2 conditions per place. [2023-11-19 05:24:52,695 INFO L119 LiptonReduction]: Number of co-enabled transitions 33264