./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:49,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:49,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:59:49,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:49,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:49,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:49,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:49,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:49,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:49,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:49,432 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:49,432 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:49,433 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:49,434 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:49,435 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:49,435 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:49,436 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:49,436 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:49,437 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:49,437 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:49,437 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:49,438 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:49,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:59:49,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:59:49,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:49,442 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:49,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:49,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:49,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:49,444 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:59:49,445 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:59:49,446 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:59:49,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:49,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:59:49,446 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:59:49,446 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:49,447 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:49,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:49,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:49,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:49,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:49,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:49,448 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:49,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:49,449 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:49,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:49,450 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_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2023-11-12 00:59:49,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:49,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:49,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:49,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:49,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:49,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-12 00:59:53,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:53,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:53,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-12 00:59:53,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data/1c4627361/9b90442a00824da1bb8026107b875be3/FLAG7cc8949a3 [2023-11-12 00:59:53,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data/1c4627361/9b90442a00824da1bb8026107b875be3 [2023-11-12 00:59:53,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:53,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:53,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:53,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:53,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:53,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:53" (1/1) ... [2023-11-12 00:59:53,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2103f0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:53, skipping insertion in model container [2023-11-12 00:59:53,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:53" (1/1) ... [2023-11-12 00:59:53,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:54,503 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:59:54,504 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:59:54,504 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:59:54,507 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:59:54,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:54,599 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-12 00:59:54,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1abc10a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:54, skipping insertion in model container [2023-11-12 00:59:54,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:54,601 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:59:54,603 INFO L158 Benchmark]: Toolchain (without parser) took 928.45ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 61.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:59:54,604 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:54,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.03ms. Allocated memory is still 125.8MB. Free memory was 77.9MB in the beginning and 61.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:54,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.03ms. Allocated memory is still 125.8MB. Free memory was 77.9MB in the beginning and 61.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: 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_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:57,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:57,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:59:57,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:57,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:57,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:57,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:57,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:57,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:57,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:57,868 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:57,869 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:57,870 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:57,872 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:57,872 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:57,873 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:57,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:59:57,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:59:57,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:57,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:57,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:57,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:57,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:57,880 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:59:57,880 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:59:57,881 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:59:57,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:57,882 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:59:57,882 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:59:57,883 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:59:57,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:59:57,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:57,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:57,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:57,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:59:57,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:57,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:57,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:57,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:57,889 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:59:57,889 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:57,890 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:57,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:57,891 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_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2023-11-12 00:59:58,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:58,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:58,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:58,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:58,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:58,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-12 01:00:02,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:02,846 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:02,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-12 01:00:02,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data/70717ed77/d40d9afdb5164431aa96a2b1a30c6559/FLAGee7e47cdb [2023-11-12 01:00:02,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/data/70717ed77/d40d9afdb5164431aa96a2b1a30c6559 [2023-11-12 01:00:02,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:02,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:02,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:02,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:02,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:02,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:02" (1/1) ... [2023-11-12 01:00:02,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26929e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:02, skipping insertion in model container [2023-11-12 01:00:02,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:02" (1/1) ... [2023-11-12 01:00:02,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:03,582 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,583 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,583 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,584 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:03,689 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 01:00:03,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:03,759 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,760 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,760 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,761 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:03,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:03,859 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,859 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,860 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,860 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:03,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:04,020 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:04,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04 WrapperNode [2023-11-12 01:00:04,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:04,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:04,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:04,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:04,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,138 INFO L138 Inliner]: procedures = 282, calls = 65, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 312 [2023-11-12 01:00:04,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:04,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:04,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:04,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:04,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:04,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:04,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:04,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:04,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (1/1) ... [2023-11-12 01:00:04,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:04,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:04,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:04,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7080c5f-aa58-4dd4-b466-2528be56c8ee/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 01:00:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:00:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-12 01:00:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-12 01:00:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 01:00:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:00:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 01:00:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-12 01:00:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-12 01:00:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 01:00:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:00:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:04,290 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 01:00:04,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:04,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:05,580 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:05,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:05,597 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-12 01:00:05,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:05 BoogieIcfgContainer [2023-11-12 01:00:05,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:05,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:05,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:05,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:05,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:02" (1/3) ... [2023-11-12 01:00:05,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49440031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:05, skipping insertion in model container [2023-11-12 01:00:05,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:04" (2/3) ... [2023-11-12 01:00:05,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49440031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:05, skipping insertion in model container [2023-11-12 01:00:05,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:05" (3/3) ... [2023-11-12 01:00:05,617 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2023-11-12 01:00:05,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:05,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2023-11-12 01:00:05,642 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 01:00:05,915 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-12 01:00:05,987 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 01:00:06,015 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 391 transitions, 802 flow [2023-11-12 01:00:06,022 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 391 transitions, 802 flow [2023-11-12 01:00:06,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 348 places, 391 transitions, 802 flow [2023-11-12 01:00:06,373 INFO L124 PetriNetUnfolderBase]: 80/645 cut-off events. [2023-11-12 01:00:06,374 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-12 01:00:06,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 645 events. 80/645 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3539 event pairs, 0 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 325. Up to 8 conditions per place. [2023-11-12 01:00:06,437 INFO L119 LiptonReduction]: Number of co-enabled transitions 49680