./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 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_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/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_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/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_806f64a7-8068-4323-84f1-96fa89de7235/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_806f64a7-8068-4323-84f1-96fa89de7235/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 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:26,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:26,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:15:26,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:26,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:26,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:26,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:26,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:26,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:26,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:26,300 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:26,300 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:26,301 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:26,301 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:26,302 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:26,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:26,303 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:26,304 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:26,304 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:26,305 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:26,305 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:26,306 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:26,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:15:26,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:15:26,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:26,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:26,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:26,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:26,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:26,309 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:15:26,310 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:15:26,310 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:15:26,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:26,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:15:26,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:15:26,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:26,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:26,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:26,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:26,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:26,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:26,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:26,313 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:26,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:26,314 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:26,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:26,314 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_806f64a7-8068-4323-84f1-96fa89de7235/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 [2023-11-19 05:15:26,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:26,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:26,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:26,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:26,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:26,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-19 05:15:29,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:30,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:30,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-19 05:15:30,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data/ecf27274f/bb68efc7e8814776b151c8705af960ad/FLAGd37a6821b [2023-11-19 05:15:30,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data/ecf27274f/bb68efc7e8814776b151c8705af960ad [2023-11-19 05:15:30,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:30,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:30,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:30,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:30,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:30,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:30" (1/1) ... [2023-11-19 05:15:30,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d24869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:30, skipping insertion in model container [2023-11-19 05:15:30,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:30" (1/1) ... [2023-11-19 05:15:30,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:30,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:30,631 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 05:15:30,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c4da6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:30, skipping insertion in model container [2023-11-19 05:15:30,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:30,633 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:15:30,635 INFO L158 Benchmark]: Toolchain (without parser) took 356.74ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 123.0MB in the end (delta: -7.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:30,636 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:30,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.57ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 123.0MB in the end (delta: -8.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:30,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.57ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 123.0MB in the end (delta: -8.2MB). Peak memory consumption was 4.2MB. 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_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/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_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/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_806f64a7-8068-4323-84f1-96fa89de7235/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_806f64a7-8068-4323-84f1-96fa89de7235/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 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:33,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:33,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:15:33,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:33,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:33,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:33,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:33,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:33,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:33,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:33,810 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:33,811 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:33,811 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:33,818 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:33,818 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:33,819 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:33,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:15:33,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:15:33,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:33,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:33,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:33,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:33,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:33,825 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:15:33,826 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:15:33,827 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:15:33,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:33,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:15:33,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:15:33,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:15:33,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:15:33,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:33,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:33,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:33,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:15:33,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:33,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:33,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:33,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:33,835 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:15:33,836 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:15:33,836 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:33,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:33,837 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_806f64a7-8068-4323-84f1-96fa89de7235/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 [2023-11-19 05:15:34,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:34,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:34,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:34,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:34,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:34,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-19 05:15:37,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:38,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:38,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-19 05:15:38,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data/540e189d8/084c9c9a7dbf4669ae47d40f83cf8f38/FLAG16377b04e [2023-11-19 05:15:38,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/data/540e189d8/084c9c9a7dbf4669ae47d40f83cf8f38 [2023-11-19 05:15:38,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:38,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:38,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:38,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:38,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:38,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f0cb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38, skipping insertion in model container [2023-11-19 05:15:38,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:38,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:38,477 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:15:38,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:38,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:38,524 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:38,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:38,610 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:38,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38 WrapperNode [2023-11-19 05:15:38,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:38,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:38,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:38,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:38,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,743 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 285 [2023-11-19 05:15:38,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:38,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:38,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:38,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:38,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:38,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:38,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:38,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:38,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:38,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:38,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:38,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806f64a7-8068-4323-84f1-96fa89de7235/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:15:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:15:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:15:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:15:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:15:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:15:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:15:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 05:15:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 05:15:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:15:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:15:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:15:38,966 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 05:15:39,193 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:39,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:40,310 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:40,328 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:40,338 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 05:15:40,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:40 BoogieIcfgContainer [2023-11-19 05:15:40,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:40,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:40,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:40,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:40,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:38" (1/3) ... [2023-11-19 05:15:40,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a2125e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:40, skipping insertion in model container [2023-11-19 05:15:40,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (2/3) ... [2023-11-19 05:15:40,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a2125e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:40, skipping insertion in model container [2023-11-19 05:15:40,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:40" (3/3) ... [2023-11-19 05:15:40,364 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-11-19 05:15:40,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:40,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-19 05:15:40,383 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:15:40,671 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 05:15:40,743 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:15:40,776 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 387 places, 406 transitions, 833 flow [2023-11-19 05:15:40,784 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 387 places, 406 transitions, 833 flow [2023-11-19 05:15:40,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 387 places, 406 transitions, 833 flow [2023-11-19 05:15:41,088 INFO L124 PetriNetUnfolderBase]: 29/403 cut-off events. [2023-11-19 05:15:41,088 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 05:15:41,104 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. [2023-11-19 05:15:41,128 INFO L119 LiptonReduction]: Number of co-enabled transitions 26448