./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-trans.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_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/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_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/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_54e83a15-0489-412b-9b8d-bfef6baa4125/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 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:31:06,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:31:06,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:31:06,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:31:06,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:31:06,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:31:06,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:31:06,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:31:06,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:31:06,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:31:06,369 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:31:06,370 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:31:06,370 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:31:06,372 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:31:06,373 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:31:06,373 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:31:06,374 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:31:06,374 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:31:06,375 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:31:06,375 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:31:06,376 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:31:06,376 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:31:06,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:31:06,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:31:06,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:31:06,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:31:06,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:31:06,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:31:06,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:31:06,381 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:31:06,382 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:31:06,383 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:31:06,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:31:06,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:31:06,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:31:06,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:31:06,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:31:06,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:31:06,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:31:06,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:31:06,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:31:06,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:31:06,386 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:31:06,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:31:06,386 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:31:06,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:31:06,387 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_54e83a15-0489-412b-9b8d-bfef6baa4125/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2023-11-06 20:31:06,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:31:06,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:31:06,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:31:06,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:31:06,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:31:06,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2023-11-06 20:31:10,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:31:10,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:31:10,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2023-11-06 20:31:10,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data/96151eb5d/dad089d61f7647c3b1a91513c0caaef2/FLAG0c19b5e9c [2023-11-06 20:31:10,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data/96151eb5d/dad089d61f7647c3b1a91513c0caaef2 [2023-11-06 20:31:10,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:31:10,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:31:10,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:31:10,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:31:10,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:31:10,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:31:10" (1/1) ... [2023-11-06 20:31:10,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e69fff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:10, skipping insertion in model container [2023-11-06 20:31:10,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:31:10" (1/1) ... [2023-11-06 20:31:10,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:31:10,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:10,576 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 20:31:10,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e024a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:10, skipping insertion in model container [2023-11-06 20:31:10,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:31:10,578 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:31:10,580 INFO L158 Benchmark]: Toolchain (without parser) took 281.82ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 105.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:31:10,580 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:31:10,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.13ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 106.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:31:10,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.13ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 106.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 117]: 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_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/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_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/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_54e83a15-0489-412b-9b8d-bfef6baa4125/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 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:31:13,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:31:13,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:31:13,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:31:13,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:31:13,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:31:13,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:31:13,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:31:13,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:31:13,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:31:13,477 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:31:13,478 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:31:13,478 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:31:13,480 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:31:13,480 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:31:13,481 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:31:13,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:31:13,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:31:13,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:31:13,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:31:13,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:31:13,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:31:13,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:31:13,485 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:31:13,486 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:31:13,486 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:31:13,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:31:13,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:31:13,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:31:13,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:31:13,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:31:13,490 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:31:13,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:31:13,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:31:13,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:31:13,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:31:13,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:31:13,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:31:13,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:31:13,494 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:31:13,494 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:31:13,494 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:31:13,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:31:13,495 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_54e83a15-0489-412b-9b8d-bfef6baa4125/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2023-11-06 20:31:13,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:31:14,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:31:14,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:31:14,026 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:31:14,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:31:14,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2023-11-06 20:31:17,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:31:17,479 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:31:17,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2023-11-06 20:31:17,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data/fa79668f2/126c382254f5435d874bc5981aca71e8/FLAG9143035a3 [2023-11-06 20:31:17,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/data/fa79668f2/126c382254f5435d874bc5981aca71e8 [2023-11-06 20:31:17,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:31:17,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:31:17,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:31:17,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:31:17,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:31:17,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:17,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0335ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17, skipping insertion in model container [2023-11-06 20:31:17,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:17,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:31:17,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:17,839 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:31:17,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:31:17,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:17,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:31:17,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:31:17,945 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:31:17,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17 WrapperNode [2023-11-06 20:31:17,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:31:17,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:31:17,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:31:17,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:31:17,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:17,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,054 INFO L138 Inliner]: procedures = 28, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 278 [2023-11-06 20:31:18,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:31:18,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:31:18,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:31:18,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:31:18,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:31:18,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:31:18,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:31:18,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:31:18,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (1/1) ... [2023-11-06 20:31:18,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:31:18,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:31:18,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:31:18,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e83a15-0489-412b-9b8d-bfef6baa4125/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:31:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:31:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:31:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:31:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:31:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:31:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:31:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:31:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:31:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:31:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:31:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:31:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:31:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:31:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:31:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:31:18,255 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 20:31:18,460 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:31:18,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:31:19,383 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:31:19,395 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:31:19,395 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 20:31:19,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:31:19 BoogieIcfgContainer [2023-11-06 20:31:19,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:31:19,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:31:19,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:31:19,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:31:19,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:31:17" (1/3) ... [2023-11-06 20:31:19,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229c9eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:31:19, skipping insertion in model container [2023-11-06 20:31:19,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:31:17" (2/3) ... [2023-11-06 20:31:19,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229c9eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:31:19, skipping insertion in model container [2023-11-06 20:31:19,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:31:19" (3/3) ... [2023-11-06 20:31:19,408 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2023-11-06 20:31:19,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:31:19,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-06 20:31:19,431 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:31:19,654 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:31:19,734 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:31:19,758 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 395 transitions, 811 flow [2023-11-06 20:31:19,768 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 395 transitions, 811 flow [2023-11-06 20:31:19,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 395 transitions, 811 flow [2023-11-06 20:31:20,019 INFO L124 PetriNetUnfolderBase]: 28/392 cut-off events. [2023-11-06 20:31:20,019 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:31:20,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 392 events. 28/392 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 851 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 295. Up to 3 conditions per place. [2023-11-06 20:31:20,052 INFO L119 LiptonReduction]: Number of co-enabled transitions 25650