./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/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_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:09:45,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:09:45,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:09:45,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:09:45,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:09:45,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:09:45,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:09:45,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:09:45,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:09:45,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:09:45,864 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:09:45,865 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:09:45,865 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:09:45,866 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:09:45,867 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:09:45,867 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:09:45,867 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:09:45,868 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:09:45,868 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:09:45,869 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:09:45,869 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:09:45,870 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:09:45,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:09:45,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:09:45,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:09:45,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:09:45,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:09:45,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:09:45,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:09:45,873 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:09:45,875 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:09:45,875 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:09:45,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:09:45,875 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:09:45,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:09:45,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:09:45,876 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:09:45,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:09:45,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:09:45,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:45,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:09:45,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:09:45,878 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:09:45,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:09:45,878 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:09:45,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:09:45,879 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_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2023-11-19 05:09:46,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:09:46,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:09:46,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:09:46,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:09:46,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:09:46,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-19 05:09:49,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:09:49,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:09:49,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-19 05:09:49,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data/f24c242ec/afa04cb58b364edf90033498c67c5a40/FLAG3125aa2ee [2023-11-19 05:09:49,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data/f24c242ec/afa04cb58b364edf90033498c67c5a40 [2023-11-19 05:09:49,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:09:49,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:09:49,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:49,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:09:49,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:09:49,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:49" (1/1) ... [2023-11-19 05:09:49,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69109eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:49, skipping insertion in model container [2023-11-19 05:09:49,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:49" (1/1) ... [2023-11-19 05:09:49,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:50,361 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:50,361 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:50,362 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:50,364 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:50,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:50,469 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 05:09:50,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a8a8e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50, skipping insertion in model container [2023-11-19 05:09:50,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:50,470 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:09:50,472 INFO L158 Benchmark]: Toolchain (without parser) took 746.22ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 107.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:09:50,473 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:09:50,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.69ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 107.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:09:50,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.69ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 107.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. 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_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/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_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:09:53,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:09:53,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:09:53,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:09:53,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:09:53,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:09:53,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:09:53,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:09:53,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:09:53,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:09:53,288 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:09:53,288 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:09:53,289 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:09:53,291 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:09:53,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:09:53,292 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:09:53,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:09:53,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:09:53,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:09:53,296 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:09:53,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:09:53,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:09:53,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:09:53,299 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:09:53,299 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:09:53,300 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:09:53,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:09:53,301 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:09:53,301 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:09:53,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:09:53,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:09:53,304 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:09:53,305 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:09:53,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:09:53,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:09:53,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:09:53,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:53,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:09:53,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:09:53,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:09:53,308 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:09:53,309 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:09:53,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:09:53,309 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_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2023-11-19 05:09:53,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:09:53,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:09:53,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:09:53,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:09:53,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:09:53,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-19 05:09:57,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:09:57,877 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:09:57,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-19 05:09:57,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data/b33ef15f3/ec121b9e1ff04112be7f1636e77cdc75/FLAGeddd65749 [2023-11-19 05:09:57,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/data/b33ef15f3/ec121b9e1ff04112be7f1636e77cdc75 [2023-11-19 05:09:57,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:09:57,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:09:57,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:57,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:09:57,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:09:57,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:57" (1/1) ... [2023-11-19 05:09:57,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0c7435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:57, skipping insertion in model container [2023-11-19 05:09:57,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:57" (1/1) ... [2023-11-19 05:09:57,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:58,547 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,548 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,548 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,549 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:58,661 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:09:58,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:58,719 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,720 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,720 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,722 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:58,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:09:58,835 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,835 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,836 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,837 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 05:09:58,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:58,948 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:09:58,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58 WrapperNode [2023-11-19 05:09:58,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:58,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:58,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:09:58,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:09:58,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:58,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,061 INFO L138 Inliner]: procedures = 282, calls = 65, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 312 [2023-11-19 05:09:59,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:59,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:09:59,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:09:59,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:09:59,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:09:59,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:09:59,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:09:59,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:09:59,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (1/1) ... [2023-11-19 05:09:59,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:59,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:59,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:09:59,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee7778d9-2185-49a7-a89d-84aeb8e2dbd3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:09:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:09:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:09:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:09:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-19 05:09:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-19 05:09:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:09:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:09:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:09:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:09:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-19 05:09:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-19 05:09:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 05:09:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:09:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:09:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:09:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:09:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:09:59,232 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:09:59,463 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:09:59,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:00,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:10:00,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:10:00,516 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-19 05:10:00,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:00 BoogieIcfgContainer [2023-11-19 05:10:00,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:10:00,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:10:00,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:10:00,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:10:00,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:57" (1/3) ... [2023-11-19 05:10:00,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b7609c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:00, skipping insertion in model container [2023-11-19 05:10:00,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:58" (2/3) ... [2023-11-19 05:10:00,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b7609c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:00, skipping insertion in model container [2023-11-19 05:10:00,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:00" (3/3) ... [2023-11-19 05:10:00,532 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2023-11-19 05:10:00,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:10:00,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2023-11-19 05:10:00,551 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:10:00,738 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 05:10:00,795 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:10:00,823 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 391 transitions, 802 flow [2023-11-19 05:10:00,828 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 391 transitions, 802 flow [2023-11-19 05:10:00,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 348 places, 391 transitions, 802 flow [2023-11-19 05:10:01,148 INFO L124 PetriNetUnfolderBase]: 80/645 cut-off events. [2023-11-19 05:10:01,148 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 05:10:01,167 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. [2023-11-19 05:10:01,213 INFO L119 LiptonReduction]: Number of co-enabled transitions 49680