./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c --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_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/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_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/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_fb409dd2-074b-4639-90c1-dacade646c93/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 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:17,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:17,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 01:00:17,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:17,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:17,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:17,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:17,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:17,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:17,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:17,275 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:17,276 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:17,276 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:17,277 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:17,277 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:17,278 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:17,278 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:17,279 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:17,279 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:17,280 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:17,280 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:17,284 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:17,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 01:00:17,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 01:00:17,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:17,303 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:17,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:17,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:17,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:17,305 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 01:00:17,306 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 01:00:17,306 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 01:00:17,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:17,307 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:17,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:00:17,307 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:17,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:17,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:17,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:17,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:17,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:17,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:17,309 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:17,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:17,310 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:17,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:17,310 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_fb409dd2-074b-4639-90c1-dacade646c93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 [2023-11-12 01:00:17,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:17,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:17,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:17,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:17,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:17,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-12 01:00:20,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:21,062 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:21,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-12 01:00:21,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data/596658ed1/84a8fb120d884d01a20cfee0cc005051/FLAG75bde6894 [2023-11-12 01:00:21,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data/596658ed1/84a8fb120d884d01a20cfee0cc005051 [2023-11-12 01:00:21,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:21,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:21,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:21,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:21,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:21,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:21" (1/1) ... [2023-11-12 01:00:21,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6b920e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:21, skipping insertion in model container [2023-11-12 01:00:21,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:21" (1/1) ... [2023-11-12 01:00:21,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:21,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:21,350 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 01:00:21,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4db63845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:21, skipping insertion in model container [2023-11-12 01:00:21,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:21,351 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 01:00:21,353 INFO L158 Benchmark]: Toolchain (without parser) took 255.88ms. Allocated memory is still 172.0MB. Free memory was 124.6MB in the beginning and 114.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 01:00:21,354 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:21,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.58ms. Allocated memory is still 172.0MB. Free memory was 124.6MB in the beginning and 114.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 01:00:21,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.58ms. Allocated memory is still 172.0MB. Free memory was 124.6MB in the beginning and 114.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 118]: 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_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/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_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/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_fb409dd2-074b-4639-90c1-dacade646c93/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 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:23,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:24,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 01:00:24,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:24,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:24,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:24,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:24,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:24,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:24,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:24,115 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:24,115 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:24,116 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:24,118 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:24,118 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:24,119 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:24,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 01:00:24,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 01:00:24,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:24,122 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:24,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:24,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:24,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:24,124 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 01:00:24,125 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 01:00:24,125 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 01:00:24,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:24,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:24,127 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:00:24,127 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:00:24,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:00:24,129 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:24,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:24,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:24,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:00:24,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:24,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:24,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:24,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:24,133 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:00:24,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:00:24,134 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:24,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:24,135 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_fb409dd2-074b-4639-90c1-dacade646c93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 [2023-11-12 01:00:24,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:24,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:24,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:24,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:24,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:24,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-12 01:00:28,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:28,277 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:28,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-12 01:00:28,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data/e98af78d1/39d500b2f7264601bc031c3eecfe38fd/FLAG0372ae554 [2023-11-12 01:00:28,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/data/e98af78d1/39d500b2f7264601bc031c3eecfe38fd [2023-11-12 01:00:28,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:28,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:28,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:28,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:28,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:28,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cff86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28, skipping insertion in model container [2023-11-12 01:00:28,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:28,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:28,599 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 01:00:28,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:28,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:28,672 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:28,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:28,767 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:28,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28 WrapperNode [2023-11-12 01:00:28,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:28,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:28,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:28,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:28,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,872 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 285 [2023-11-12 01:00:28,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:28,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:28,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:28,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:28,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:28,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:28,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:28,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:28,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (1/1) ... [2023-11-12 01:00:28,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:29,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:29,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb409dd2-074b-4639-90c1-dacade646c93/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:00:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 01:00:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 01:00:29,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 01:00:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 01:00:29,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 01:00:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 01:00:29,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 01:00:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:29,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 01:00:29,090 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 01:00:29,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:29,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:30,405 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:30,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:30,416 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 01:00:30,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:30 BoogieIcfgContainer [2023-11-12 01:00:30,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:30,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:30,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:30,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:30,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:28" (1/3) ... [2023-11-12 01:00:30,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfdc725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:30, skipping insertion in model container [2023-11-12 01:00:30,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:28" (2/3) ... [2023-11-12 01:00:30,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfdc725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:30, skipping insertion in model container [2023-11-12 01:00:30,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:30" (3/3) ... [2023-11-12 01:00:30,434 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-11-12 01:00:30,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:30,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-12 01:00:30,455 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 01:00:30,703 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 01:00:30,768 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 01:00:30,786 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 387 places, 406 transitions, 833 flow [2023-11-12 01:00:30,790 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 387 places, 406 transitions, 833 flow [2023-11-12 01:00:30,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 387 places, 406 transitions, 833 flow [2023-11-12 01:00:31,034 INFO L124 PetriNetUnfolderBase]: 29/403 cut-off events. [2023-11-12 01:00:31,035 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 01:00:31,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 403 events. 29/403 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 852 event pairs, 0 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 297. Up to 3 conditions per place. [2023-11-12 01:00:31,064 INFO L119 LiptonReduction]: Number of co-enabled transitions 26448