./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:08:36,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:08:36,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:08:36,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:08:36,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:08:36,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:08:36,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:08:36,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:08:36,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:08:36,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:08:36,351 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:08:36,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:08:36,352 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:08:36,353 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:08:36,354 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:08:36,354 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:08:36,355 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:08:36,355 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:08:36,356 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:08:36,357 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:08:36,357 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:08:36,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:08:36,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:08:36,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:08:36,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:08:36,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:08:36,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:08:36,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:08:36,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:08:36,364 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:08:36,364 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:08:36,365 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:08:36,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:08:36,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:08:36,367 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:08:36,367 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:08:36,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:08:36,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:08:36,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:08:36,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:08:36,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:08:36,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:08:36,371 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:08:36,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:08:36,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:08:36,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:08:36,373 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_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 [2023-11-06 21:08:36,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:08:36,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:08:36,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:08:36,724 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:08:36,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:08:36,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-06 21:08:39,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:08:40,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:08:40,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-06 21:08:40,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data/2badcec07/6610e73341074da1bf2dc30172c967c2/FLAGedf64b0d9 [2023-11-06 21:08:40,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data/2badcec07/6610e73341074da1bf2dc30172c967c2 [2023-11-06 21:08:40,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:08:40,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:08:40,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:08:40,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:08:40,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:08:40,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:40" (1/1) ... [2023-11-06 21:08:40,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:40, skipping insertion in model container [2023-11-06 21:08:40,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:40" (1/1) ... [2023-11-06 21:08:40,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:08:40,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:08:40,489 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) [2023-11-06 21:08:40,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@675a90cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:40, skipping insertion in model container [2023-11-06 21:08:40,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:08:40,490 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:08:40,492 INFO L158 Benchmark]: Toolchain (without parser) took 295.55ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 83.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:08:40,493 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:08:40,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.93ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 83.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:08:40,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.93ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 83.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 123]: 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_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:08:43,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:08:43,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:08:43,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:08:43,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:08:43,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:08:43,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:08:43,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:08:43,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:08:43,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:08:43,325 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:08:43,326 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:08:43,326 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:08:43,328 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:08:43,329 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:08:43,330 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:08:43,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:08:43,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:08:43,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:08:43,333 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:08:43,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:08:43,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:08:43,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:08:43,336 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:08:43,336 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:08:43,337 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:08:43,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:08:43,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:08:43,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:08:43,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:08:43,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:08:43,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:08:43,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:08:43,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:08:43,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:08:43,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:08:43,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:08:43,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:08:43,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:08:43,345 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:08:43,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:08:43,346 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:08:43,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:08:43,347 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_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 [2023-11-06 21:08:43,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:08:43,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:08:43,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:08:43,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:08:43,816 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:08:43,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-06 21:08:46,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:08:47,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:08:47,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-06 21:08:47,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data/d57e7c593/1dbd4dee64524b608d9dfb3be73765fb/FLAG526fc1b47 [2023-11-06 21:08:47,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/data/d57e7c593/1dbd4dee64524b608d9dfb3be73765fb [2023-11-06 21:08:47,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:08:47,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:08:47,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:08:47,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:08:47,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:08:47,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a98696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47, skipping insertion in model container [2023-11-06 21:08:47,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:08:47,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:08:47,665 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:08:47,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:08:47,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:08:47,703 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:08:47,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:08:47,760 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:08:47,760 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:08:47,769 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:08:47,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47 WrapperNode [2023-11-06 21:08:47,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:08:47,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:08:47,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:08:47,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:08:47,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,839 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 234 [2023-11-06 21:08:47,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:08:47,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:08:47,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:08:47,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:08:47,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:08:47,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:08:47,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:08:47,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:08:47,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (1/1) ... [2023-11-06 21:08:47,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:08:47,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:08:47,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:08:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc49d0-5ab6-45bd-b0f0-8ce26e07fcaf/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:08:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:08:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:08:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:08:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:08:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:08:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:08:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:08:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:08:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 21:08:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 21:08:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:08:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:08:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:08:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:08:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:08:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:08:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:08:48,042 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:08:48,227 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:08:48,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:08:49,304 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:08:49,488 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:08:49,488 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 21:08:49,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:49 BoogieIcfgContainer [2023-11-06 21:08:49,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:08:49,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:08:49,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:08:49,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:08:49,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:08:47" (1/3) ... [2023-11-06 21:08:49,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5356f204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:49, skipping insertion in model container [2023-11-06 21:08:49,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:47" (2/3) ... [2023-11-06 21:08:49,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5356f204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:49, skipping insertion in model container [2023-11-06 21:08:49,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:49" (3/3) ... [2023-11-06 21:08:49,506 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2023-11-06 21:08:49,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:08:49,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2023-11-06 21:08:49,526 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:08:49,710 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 21:08:49,764 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:08:49,797 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 366 transitions, 753 flow [2023-11-06 21:08:49,802 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 366 transitions, 753 flow [2023-11-06 21:08:49,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 366 transitions, 753 flow [2023-11-06 21:08:50,039 INFO L124 PetriNetUnfolderBase]: 27/363 cut-off events. [2023-11-06 21:08:50,040 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 21:08:50,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 363 events. 27/363 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 446 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 279. Up to 2 conditions per place. [2023-11-06 21:08:50,057 INFO L119 LiptonReduction]: Number of co-enabled transitions 5572