./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:43,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:43,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 04:47:43,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:43,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:43,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:43,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:43,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:43,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:43,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:43,178 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:43,178 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:43,179 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:43,181 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:43,181 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:43,181 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:43,182 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:43,182 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:43,183 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:43,183 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:43,184 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:43,184 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:43,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:47:43,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:47:43,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:43,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:43,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:43,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:43,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:43,189 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:47:43,190 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:47:43,190 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:47:43,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:43,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:43,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:47:43,191 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:43,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:43,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:43,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:43,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:43,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:43,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:43,194 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:43,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:43,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:43,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:43,195 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_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2023-11-19 04:47:43,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:43,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:43,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:43,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:43,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:43,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-19 04:47:46,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:47,234 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:47,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-19 04:47:47,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data/b940662a5/6982d2b4f3d447bfaf14a4687e5f447d/FLAGefe05ef68 [2023-11-19 04:47:47,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data/b940662a5/6982d2b4f3d447bfaf14a4687e5f447d [2023-11-19 04:47:47,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:47,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:47,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:47,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:47,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:47,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:47" (1/1) ... [2023-11-19 04:47:47,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2b87b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:47, skipping insertion in model container [2023-11-19 04:47:47,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:47" (1/1) ... [2023-11-19 04:47:47,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:47,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:47,548 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 04:47:47,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5406baba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:47, skipping insertion in model container [2023-11-19 04:47:47,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:47,550 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:47:47,552 INFO L158 Benchmark]: Toolchain (without parser) took 288.29ms. Allocated memory is still 163.6MB. Free memory was 115.2MB in the beginning and 105.2MB in the end (delta: 10.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:47:47,553 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:47,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.53ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 105.2MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:47:47,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.53ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 105.2MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 101]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:50,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:50,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 04:47:50,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:50,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:50,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:50,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:50,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:50,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:50,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:50,614 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:50,614 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:50,615 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:50,617 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:50,618 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:50,618 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:50,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:47:50,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:47:50,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:50,622 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:50,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:50,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:50,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:50,624 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:47:50,625 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:47:50,625 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:47:50,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:50,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:50,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:47:50,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:47:50,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:47:50,630 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:50,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:50,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:50,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:47:50,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:50,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:50,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:50,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:50,633 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:47:50,633 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:50,634 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:50,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:50,634 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_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2023-11-19 04:47:51,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:51,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:51,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:51,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:51,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:51,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-19 04:47:54,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:54,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:54,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-19 04:47:54,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data/9c9ac5385/ddf428a80041498ba439313e6bd7ef2b/FLAG1f5d7b788 [2023-11-19 04:47:55,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/data/9c9ac5385/ddf428a80041498ba439313e6bd7ef2b [2023-11-19 04:47:55,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:55,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:55,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:55,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:55,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:55,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7c7622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55, skipping insertion in model container [2023-11-19 04:47:55,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:55,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:55,427 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:47:55,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:55,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:55,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:55,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:55,554 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:55,555 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:55,594 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:55,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55 WrapperNode [2023-11-19 04:47:55,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:55,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:55,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:55,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:55,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,721 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 14, calls inlined = 20, statements flattened = 229 [2023-11-19 04:47:55,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:55,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:55,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:55,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:55,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:55,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:55,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:55,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:55,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (1/1) ... [2023-11-19 04:47:55,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:55,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:55,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:55,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198299c8-e72b-451c-ba74-21747f65fbee/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:47:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:47:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:47:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:47:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:47:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:47:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:47:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:47:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:47:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:47:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:47:55,939 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:47:56,091 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:56,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:56,984 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:57,239 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:57,239 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:47:57,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:57 BoogieIcfgContainer [2023-11-19 04:47:57,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:57,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:57,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:57,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:57,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:55" (1/3) ... [2023-11-19 04:47:57,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693535a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:57, skipping insertion in model container [2023-11-19 04:47:57,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:55" (2/3) ... [2023-11-19 04:47:57,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693535a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:57, skipping insertion in model container [2023-11-19 04:47:57,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:57" (3/3) ... [2023-11-19 04:47:57,268 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2023-11-19 04:47:57,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:57,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-19 04:47:57,293 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:47:57,506 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 04:47:57,567 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:47:57,598 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 255 places, 263 transitions, 547 flow [2023-11-19 04:47:57,601 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 255 places, 263 transitions, 547 flow [2023-11-19 04:47:57,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 263 transitions, 547 flow [2023-11-19 04:47:57,769 INFO L124 PetriNetUnfolderBase]: 18/260 cut-off events. [2023-11-19 04:47:57,769 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 04:47:57,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 260 events. 18/260 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 512 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2023-11-19 04:47:57,801 INFO L119 LiptonReduction]: Number of co-enabled transitions 13392