./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:28,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:29,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:28:29,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:29,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:29,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:29,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:29,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:29,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:29,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:29,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:29,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:29,045 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:29,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:29,046 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:28:29,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:28:29,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:28:29,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:29,048 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:28:29,049 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:28:29,049 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:28:29,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:29,055 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:28:29,056 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:28:29,056 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:28:29,057 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:29,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:29,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:29,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:29,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:29,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:29,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:29,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:28:29,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:28:29,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:29,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:29,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:29,075 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:29,076 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2023-11-12 02:28:29,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:29,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:29,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:29,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:29,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:29,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-12 02:28:32,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:32,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:32,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-12 02:28:32,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data/8b000d685/d1226fe730254e8e93ef20249ee92aa7/FLAG527debd91 [2023-11-12 02:28:32,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data/8b000d685/d1226fe730254e8e93ef20249ee92aa7 [2023-11-12 02:28:32,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:32,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:32,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:32,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:32,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:32,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:32" (1/1) ... [2023-11-12 02:28:32,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5668da25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:32, skipping insertion in model container [2023-11-12 02:28:32,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:32" (1/1) ... [2023-11-12 02:28:33,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:33,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:33,320 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 02:28:33,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a9972e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:33, skipping insertion in model container [2023-11-12 02:28:33,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:33,322 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:28:33,324 INFO L158 Benchmark]: Toolchain (without parser) took 353.76ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 66.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:28:33,325 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:33,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.88ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 66.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:28:33,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.88ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 66.7MB 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: 94]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:35,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:36,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:28:36,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:36,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:36,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:36,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:36,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:36,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:36,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:36,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:36,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:36,059 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:36,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:36,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:28:36,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:28:36,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:28:36,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:36,062 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:28:36,063 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:28:36,063 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:28:36,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:36,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:28:36,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:28:36,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:28:36,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:28:36,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:28:36,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:36,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:36,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:36,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:36,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:36,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:36,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:36,069 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:28:36,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:28:36,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:36,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:36,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:36,071 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:28:36,072 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:36,073 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2023-11-12 02:28:36,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:36,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:36,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:36,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:36,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:36,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-12 02:28:39,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:39,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:39,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-12 02:28:39,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data/2253544dd/3b1618bc1dad4729b6dfa5804fd62227/FLAG98635e949 [2023-11-12 02:28:40,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/data/2253544dd/3b1618bc1dad4729b6dfa5804fd62227 [2023-11-12 02:28:40,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:40,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:40,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:40,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:40,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:40,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4615ceb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40, skipping insertion in model container [2023-11-12 02:28:40,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:40,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:40,370 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:28:40,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:40,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:40,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:40,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:40,516 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:28:40,517 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:28:40,560 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:40,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40 WrapperNode [2023-11-12 02:28:40,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:40,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:40,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:40,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:40,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,678 INFO L138 Inliner]: procedures = 30, calls = 75, calls flagged for inlining = 19, calls inlined = 27, statements flattened = 370 [2023-11-12 02:28:40,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:40,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:40,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:40,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:40,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:40,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:40,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:40,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:40,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (1/1) ... [2023-11-12 02:28:40,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:40,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:40,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07423506-02b7-4fda-8b2b-818588b6302e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:28:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:28:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:28:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:28:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:28:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:28:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:28:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:28:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:28:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:28:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:28:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:28:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:28:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:28:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:28:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:28:40,889 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 02:28:41,084 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:41,086 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:42,510 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:42,931 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:42,931 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-12 02:28:42,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:42 BoogieIcfgContainer [2023-11-12 02:28:42,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:42,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:42,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:42,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:42,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:28:40" (1/3) ... [2023-11-12 02:28:42,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0612fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:42, skipping insertion in model container [2023-11-12 02:28:42,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:40" (2/3) ... [2023-11-12 02:28:42,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0612fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:42, skipping insertion in model container [2023-11-12 02:28:42,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:42" (3/3) ... [2023-11-12 02:28:42,948 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2023-11-12 02:28:42,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:42,969 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-11-12 02:28:42,969 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:28:43,253 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:28:43,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 408 places, 433 transitions, 887 flow [2023-11-12 02:28:43,570 INFO L124 PetriNetUnfolderBase]: 35/430 cut-off events. [2023-11-12 02:28:43,570 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:28:43,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 430 events. 35/430 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1152 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 331. Up to 2 conditions per place. [2023-11-12 02:28:43,582 INFO L82 GeneralOperation]: Start removeDead. Operand has 408 places, 433 transitions, 887 flow [2023-11-12 02:28:43,604 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 400 places, 425 transitions, 868 flow [2023-11-12 02:28:43,608 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:28:43,622 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 425 transitions, 868 flow [2023-11-12 02:28:43,627 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 425 transitions, 868 flow [2023-11-12 02:28:43,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 425 transitions, 868 flow [2023-11-12 02:28:43,756 INFO L124 PetriNetUnfolderBase]: 35/425 cut-off events. [2023-11-12 02:28:43,756 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:28:43,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 425 events. 35/425 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1145 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 331. Up to 2 conditions per place. [2023-11-12 02:28:43,780 INFO L119 LiptonReduction]: Number of co-enabled transitions 27258