./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-vector-add.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_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/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_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/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_6c634acd-41b6-44b7-91da-b90229f8140f/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 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:57,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:57,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:13:57,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:57,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:57,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:57,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:57,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:57,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:57,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:57,949 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:57,950 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:57,950 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:57,951 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:13:57,951 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:57,952 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:57,952 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:13:57,953 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:13:57,953 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:57,954 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:13:57,954 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:13:57,955 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:13:57,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:13:57,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:13:57,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:57,957 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:13:57,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:13:57,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:13:57,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:57,959 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:13:57,959 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:13:57,959 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:13:57,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:57,960 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:13:57,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:13:57,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:13:57,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:57,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:57,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:57,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:57,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:57,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:57,962 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:13:57,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:13:57,963 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:57,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:57,963 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_6c634acd-41b6-44b7-91da-b90229f8140f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 [2023-11-12 00:13:58,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:58,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:58,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:58,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:58,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:58,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2023-11-12 00:14:01,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:01,693 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:01,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2023-11-12 00:14:01,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data/72ff09d3f/edd009d4ad4b4b8db7e49f5d5c819c02/FLAG5f2be5541 [2023-11-12 00:14:01,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data/72ff09d3f/edd009d4ad4b4b8db7e49f5d5c819c02 [2023-11-12 00:14:01,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:01,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:01,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:01,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:01,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:01,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:01" (1/1) ... [2023-11-12 00:14:01,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129ebe29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01, skipping insertion in model container [2023-11-12 00:14:01,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:01" (1/1) ... [2023-11-12 00:14:01,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:02,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:02,077 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 00:14:02,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dc44070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:02, skipping insertion in model container [2023-11-12 00:14:02,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:02,078 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:14:02,080 INFO L158 Benchmark]: Toolchain (without parser) took 346.30ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 148.9MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:14:02,081 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:02,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.03ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 148.9MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:14:02,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.03ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 148.9MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 106]: 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_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/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_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/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_6c634acd-41b6-44b7-91da-b90229f8140f/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 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:04,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:04,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:14:04,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:04,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:04,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:04,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:04,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:04,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:04,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:04,845 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:04,845 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:04,846 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:04,848 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:04,848 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:04,849 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:04,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:14:04,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:14:04,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:04,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:04,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:04,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:04,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:04,855 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:14:04,855 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:14:04,856 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:14:04,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:04,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:14:04,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:14:04,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:14:04,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:14:04,860 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:04,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:04,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:04,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:14:04,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:04,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:04,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:04,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:04,864 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:14:04,864 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:14:04,864 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:04,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:04,865 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_6c634acd-41b6-44b7-91da-b90229f8140f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 [2023-11-12 00:14:05,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:05,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:05,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:05,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:05,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:05,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2023-11-12 00:14:08,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:08,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:08,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2023-11-12 00:14:08,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data/65130ff1f/a7910baf67a4468fa6c70f31f8de5e9a/FLAG2b2b6437f [2023-11-12 00:14:08,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/data/65130ff1f/a7910baf67a4468fa6c70f31f8de5e9a [2023-11-12 00:14:08,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:08,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:08,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:08,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:08,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:08,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:08" (1/1) ... [2023-11-12 00:14:08,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf6adc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:08, skipping insertion in model container [2023-11-12 00:14:08,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:08" (1/1) ... [2023-11-12 00:14:08,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:09,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:09,237 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:14:09,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:09,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:09,315 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:09,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:09,391 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:09,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09 WrapperNode [2023-11-12 00:14:09,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:09,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:09,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:09,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:09,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,510 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 202 [2023-11-12 00:14:09,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:09,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:09,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:09,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:09,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:09,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:09,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:09,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:09,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (1/1) ... [2023-11-12 00:14:09,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:09,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:09,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c634acd-41b6-44b7-91da-b90229f8140f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:14:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:14:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:14:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:14:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:14:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:14:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:14:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:14:09,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:14:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:14:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:14:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:14:09,771 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 00:14:09,958 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:09,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:10,990 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:11,003 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:11,004 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-12 00:14:11,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:11 BoogieIcfgContainer [2023-11-12 00:14:11,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:11,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:11,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:11,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:11,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:08" (1/3) ... [2023-11-12 00:14:11,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38419f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:11, skipping insertion in model container [2023-11-12 00:14:11,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:09" (2/3) ... [2023-11-12 00:14:11,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38419f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:11, skipping insertion in model container [2023-11-12 00:14:11,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:11" (3/3) ... [2023-11-12 00:14:11,017 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2023-11-12 00:14:11,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:11,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-12 00:14:11,037 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:14:11,198 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 00:14:11,242 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:14:11,270 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 338 places, 353 transitions, 727 flow [2023-11-12 00:14:11,273 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 338 places, 353 transitions, 727 flow [2023-11-12 00:14:11,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 338 places, 353 transitions, 727 flow [2023-11-12 00:14:11,493 INFO L124 PetriNetUnfolderBase]: 25/350 cut-off events. [2023-11-12 00:14:11,494 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 00:14:11,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 350 events. 25/350 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 420 event pairs, 0 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 269. Up to 2 conditions per place. [2023-11-12 00:14:11,506 INFO L119 LiptonReduction]: Number of co-enabled transitions 5280