./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 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_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/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_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/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_7fcb1b11-baca-4980-b854-35270ac83213/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 c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:32,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:32,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:11:32,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:32,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:32,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:32,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:32,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:32,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:32,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:32,872 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:32,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:32,874 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:32,876 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:11:32,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:32,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:32,877 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:11:32,878 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:11:32,878 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:32,879 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:11:32,879 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:11:32,880 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:11:32,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:11:32,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:11:32,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:32,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:32,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:11:32,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:32,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:32,885 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:11:32,887 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:11:32,887 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:11:32,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:32,888 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:11:32,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:11:32,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:32,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:32,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:32,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:32,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:32,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:32,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:32,891 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:11:32,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:11:32,892 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:32,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:32,893 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_7fcb1b11-baca-4980-b854-35270ac83213/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2023-11-12 00:11:33,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:33,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:33,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:33,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:33,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:33,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-12 00:11:36,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:36,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:36,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-12 00:11:36,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data/dd3aa29e6/b63f09479f224817abd3391a1c9f3401/FLAGfd7c3d162 [2023-11-12 00:11:36,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data/dd3aa29e6/b63f09479f224817abd3391a1c9f3401 [2023-11-12 00:11:36,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:36,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:36,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:36,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:36,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:36,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:36" (1/1) ... [2023-11-12 00:11:36,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d0c52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:36, skipping insertion in model container [2023-11-12 00:11:36,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:36" (1/1) ... [2023-11-12 00:11:36,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:36,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:36,975 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 00:11:36,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@408edd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:36, skipping insertion in model container [2023-11-12 00:11:36,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:36,976 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:11:36,978 INFO L158 Benchmark]: Toolchain (without parser) took 301.25ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 107.8MB in the end (delta: -32.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-12 00:11:36,993 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:11:36,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.59ms. Allocated memory is still 138.4MB. Free memory was 75.4MB in the beginning and 107.8MB in the end (delta: -32.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-12 00:11:36,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.59ms. Allocated memory is still 138.4MB. Free memory was 75.4MB in the beginning and 107.8MB in the end (delta: -32.4MB). Peak memory consumption was 15.9MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/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_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/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_7fcb1b11-baca-4980-b854-35270ac83213/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 c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:39,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:39,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:11:39,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:39,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:39,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:39,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:39,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:39,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:39,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:39,677 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:39,677 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:39,678 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:39,679 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:39,680 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:39,681 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:39,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:11:39,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:11:39,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:39,684 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:39,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:11:39,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:39,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:39,686 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:11:39,686 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:11:39,687 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:11:39,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:39,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:11:39,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:11:39,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:11:39,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:11:39,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:39,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:39,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:39,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:11:39,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:39,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:39,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:39,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:39,694 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:11:39,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:11:39,695 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:39,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:39,696 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_7fcb1b11-baca-4980-b854-35270ac83213/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2023-11-12 00:11:40,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:40,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:40,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:40,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:40,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:40,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-12 00:11:43,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:43,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:43,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-12 00:11:43,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data/07fb028ef/a0d96e81ae514d4ebb67dbd659972dbc/FLAG15b80342b [2023-11-12 00:11:43,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/data/07fb028ef/a0d96e81ae514d4ebb67dbd659972dbc [2023-11-12 00:11:43,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:43,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:43,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:43,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:43,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:43,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:43" (1/1) ... [2023-11-12 00:11:43,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238c442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:43, skipping insertion in model container [2023-11-12 00:11:43,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:43" (1/1) ... [2023-11-12 00:11:43,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:43,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:43,815 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:11:43,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:43,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:43,954 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:44,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:44,055 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:44,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44 WrapperNode [2023-11-12 00:11:44,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:44,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:44,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:44,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:44,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,143 INFO L138 Inliner]: procedures = 29, calls = 67, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 423 [2023-11-12 00:11:44,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:44,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:44,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:44,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:44,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:44,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:44,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:44,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:44,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (1/1) ... [2023-11-12 00:11:44,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:44,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:44,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb1b11-baca-4980-b854-35270ac83213/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 00:11:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:11:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:11:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:11:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:11:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:11:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:11:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:11:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:11:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:11:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:11:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 00:11:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:11:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:11:44,306 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 00:11:44,505 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:44,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:45,833 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:45,845 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:45,845 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 00:11:45,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:45 BoogieIcfgContainer [2023-11-12 00:11:45,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:45,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:45,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:45,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:45,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:43" (1/3) ... [2023-11-12 00:11:45,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e8ef39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:45, skipping insertion in model container [2023-11-12 00:11:45,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:44" (2/3) ... [2023-11-12 00:11:45,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e8ef39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:45, skipping insertion in model container [2023-11-12 00:11:45,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:45" (3/3) ... [2023-11-12 00:11:45,861 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2023-11-12 00:11:45,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:45,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-11-12 00:11:45,883 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:11:46,114 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 00:11:46,181 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:11:46,202 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 616 transitions, 1253 flow [2023-11-12 00:11:46,207 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 616 transitions, 1253 flow [2023-11-12 00:11:46,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 616 transitions, 1253 flow [2023-11-12 00:11:46,457 INFO L124 PetriNetUnfolderBase]: 41/613 cut-off events. [2023-11-12 00:11:46,457 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 00:11:46,469 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. [2023-11-12 00:11:46,493 INFO L119 LiptonReduction]: Number of co-enabled transitions 33264