./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX --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 9cb2b0cbecf02e8cce2fd890595fb88c3204482a27ce7ac6f4ef6fb92949d747 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:59,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:59,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:54:59,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:59,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:59,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:59,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:59,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:59,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:59,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:59,870 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:59,870 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:59,871 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:59,874 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:59,874 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:59,875 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:59,876 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:59,876 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:59,877 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:59,878 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:59,878 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:59,879 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:59,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:54:59,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:54:59,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:59,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:59,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:59,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:59,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:59,885 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:54:59,887 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:54:59,887 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:54:59,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:59,888 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:59,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:59,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:59,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:59,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:59,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:59,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:59,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:59,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:59,892 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:59,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:59,893 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:59,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:59,894 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_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb2b0cbecf02e8cce2fd890595fb88c3204482a27ce7ac6f4ef6fb92949d747 [2023-11-12 00:55:00,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:00,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:00,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:00,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:00,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:00,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c [2023-11-12 00:55:04,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:04,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:04,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/sv-benchmarks/c/weaver/chl-word-trans.wvr.c [2023-11-12 00:55:04,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data/6cf00c2ae/5027ef7a53334076a0f408960a7216b6/FLAG64272a829 [2023-11-12 00:55:04,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data/6cf00c2ae/5027ef7a53334076a0f408960a7216b6 [2023-11-12 00:55:04,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:04,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:04,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:04,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:04,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:04,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:04" (1/1) ... [2023-11-12 00:55:04,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db5d033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:04, skipping insertion in model container [2023-11-12 00:55:04,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:04" (1/1) ... [2023-11-12 00:55:04,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:05,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:05,210 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) [2023-11-12 00:55:05,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59bfc352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:05, skipping insertion in model container [2023-11-12 00:55:05,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:05,212 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:55:05,215 INFO L158 Benchmark]: Toolchain (without parser) took 454.32ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 94.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:55:05,216 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:55:05,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.52ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 94.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:55:05,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.52ms. Allocated memory is still 148.9MB. Free memory was 104.8MB in the beginning and 94.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 137]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX --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 9cb2b0cbecf02e8cce2fd890595fb88c3204482a27ce7ac6f4ef6fb92949d747 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:55:08,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:55:08,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:55:08,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:55:08,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:55:08,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:55:08,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:55:08,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:55:08,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:55:08,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:55:08,675 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:55:08,675 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:55:08,676 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:55:08,678 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:55:08,679 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:55:08,679 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:55:08,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:55:08,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:55:08,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:55:08,683 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:55:08,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:55:08,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:55:08,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:55:08,685 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:55:08,686 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:55:08,686 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:55:08,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:55:08,687 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:55:08,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:55:08,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:55:08,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:55:08,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:55:08,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:55:08,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:55:08,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:55:08,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:55:08,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:08,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:55:08,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:55:08,694 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:55:08,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:55:08,695 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:55:08,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:55:08,696 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_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb2b0cbecf02e8cce2fd890595fb88c3204482a27ce7ac6f4ef6fb92949d747 [2023-11-12 00:55:09,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:09,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:09,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:09,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:09,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:09,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/chl-word-trans.wvr.c [2023-11-12 00:55:13,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:13,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:13,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/sv-benchmarks/c/weaver/chl-word-trans.wvr.c [2023-11-12 00:55:13,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data/5019d16b7/63dbdca408584e198622b232d405ddca/FLAGa3d999a36 [2023-11-12 00:55:13,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/data/5019d16b7/63dbdca408584e198622b232d405ddca [2023-11-12 00:55:13,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:13,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:13,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:13,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:13,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:13,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:13,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4654fd18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:13, skipping insertion in model container [2023-11-12 00:55:13,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:13" (1/1) ... [2023-11-12 00:55:13,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:14,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:14,054 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:55:14,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:14,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:14,154 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:14,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:14,254 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:14,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14 WrapperNode [2023-11-12 00:55:14,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:14,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:14,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:14,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:14,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,357 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 176 [2023-11-12 00:55:14,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:14,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:14,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:14,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:14,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:14,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:14,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:14,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:14,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (1/1) ... [2023-11-12 00:55:14,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:14,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:14,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce04153d-78f6-46b8-8ca1-8f291fa5481f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:55:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:55:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:55:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:55:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:55:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:55:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:55:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:55:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:55:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:55:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:55:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:55:14,559 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:55:14,801 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:14,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:15,789 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:15,821 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:15,821 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 00:55:15,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:15 BoogieIcfgContainer [2023-11-12 00:55:15,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:15,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:15,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:15,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:15,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:55:13" (1/3) ... [2023-11-12 00:55:15,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33414c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:15, skipping insertion in model container [2023-11-12 00:55:15,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:14" (2/3) ... [2023-11-12 00:55:15,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33414c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:15, skipping insertion in model container [2023-11-12 00:55:15,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:15" (3/3) ... [2023-11-12 00:55:15,841 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-trans.wvr.c [2023-11-12 00:55:15,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:15,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-12 00:55:15,869 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:55:16,090 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 00:55:16,167 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:55:16,188 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 338 places, 356 transitions, 733 flow [2023-11-12 00:55:16,192 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 338 places, 356 transitions, 733 flow [2023-11-12 00:55:16,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 338 places, 356 transitions, 733 flow [2023-11-12 00:55:16,355 INFO L124 PetriNetUnfolderBase]: 28/353 cut-off events. [2023-11-12 00:55:16,355 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 00:55:16,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 353 events. 28/353 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 663 event pairs, 0 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 273. Up to 3 conditions per place. [2023-11-12 00:55:16,379 INFO L119 LiptonReduction]: Number of co-enabled transitions 13920