./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 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_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/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_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:42:30,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:30,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:42:30,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:30,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:30,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:30,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:30,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:30,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:30,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:30,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:30,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:30,877 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:30,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:30,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:42:30,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:30,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:42:30,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:30,882 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:42:30,883 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:42:30,883 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:42:30,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:30,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:42:30,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:30,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:42:30,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:30,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:30,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:30,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:30,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:30,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:30,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:30,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:30,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:30,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:30,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:30,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:30,893 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:30,893 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_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2023-11-19 07:42:31,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:31,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:31,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:31,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:31,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:31,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-19 07:42:34,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:34,714 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:34,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-19 07:42:34,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data/553f1f6ed/3a65c22f0adc4f66875ecd65e455e4df/FLAG4049a6355 [2023-11-19 07:42:34,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data/553f1f6ed/3a65c22f0adc4f66875ecd65e455e4df [2023-11-19 07:42:34,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:34,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:34,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:34,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:34,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:34,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:34" (1/1) ... [2023-11-19 07:42:34,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d77b923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:34, skipping insertion in model container [2023-11-19 07:42:34,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:34" (1/1) ... [2023-11-19 07:42:34,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:35,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:35,082 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 07:42:35,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e399f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:35, skipping insertion in model container [2023-11-19 07:42:35,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:35,083 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:42:35,085 INFO L158 Benchmark]: Toolchain (without parser) took 331.45ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 118.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:42:35,086 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:35,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.71ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 118.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:42:35,088 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 134.2MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.71ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 118.0MB 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/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_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:42:37,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:37,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:42:37,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:37,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:37,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:37,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:37,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:37,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:37,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:37,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:37,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:37,921 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:37,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:37,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:42:37,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:37,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:42:37,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:37,926 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:42:37,926 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:42:37,927 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:42:37,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:37,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:42:37,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:42:37,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:42:37,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:37,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:42:37,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:37,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:37,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:37,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:37,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:37,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:37,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:37,935 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:42:37,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:42:37,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:37,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:37,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:37,937 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:42:37,938 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:37,938 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_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2023-11-19 07:42:38,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:38,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:38,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:38,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:38,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:38,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-19 07:42:41,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:41,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:41,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-19 07:42:41,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data/275ba9e49/cbc61a061cd947c081c16a36aed20ea0/FLAG9cbb16062 [2023-11-19 07:42:41,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/data/275ba9e49/cbc61a061cd947c081c16a36aed20ea0 [2023-11-19 07:42:41,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:41,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:41,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:41,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:41,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:41,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:41" (1/1) ... [2023-11-19 07:42:41,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684d8588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:41, skipping insertion in model container [2023-11-19 07:42:41,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:41" (1/1) ... [2023-11-19 07:42:41,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:42,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:42,278 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:42:42,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:42,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:42,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:42,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:42,437 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:42,440 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:42,459 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:42,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42 WrapperNode [2023-11-19 07:42:42,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:42,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:42,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:42,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:42,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,552 INFO L138 Inliner]: procedures = 30, calls = 75, calls flagged for inlining = 19, calls inlined = 27, statements flattened = 370 [2023-11-19 07:42:42,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:42,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:42,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:42,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:42,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:42,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:42,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:42,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:42,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:42,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:42,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:42,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:42,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5516742-2f3e-4c37-85c1-121ad131f642/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:42:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:42:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:42:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:42:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:42:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:42:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:42:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:42:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:42:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:42:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:42:42,766 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 07:42:42,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:42,927 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:44,171 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:44,588 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:44,589 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 07:42:44,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:44 BoogieIcfgContainer [2023-11-19 07:42:44,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:44,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:44,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:44,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:44,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:41" (1/3) ... [2023-11-19 07:42:44,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116acfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:44, skipping insertion in model container [2023-11-19 07:42:44,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (2/3) ... [2023-11-19 07:42:44,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116acfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:44, skipping insertion in model container [2023-11-19 07:42:44,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:44" (3/3) ... [2023-11-19 07:42:44,614 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2023-11-19 07:42:44,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:44,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-11-19 07:42:44,637 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:42:44,907 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:42:44,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 408 places, 433 transitions, 887 flow [2023-11-19 07:42:45,190 INFO L124 PetriNetUnfolderBase]: 35/430 cut-off events. [2023-11-19 07:42:45,190 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:42:45,221 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 1134 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. [2023-11-19 07:42:45,221 INFO L82 GeneralOperation]: Start removeDead. Operand has 408 places, 433 transitions, 887 flow [2023-11-19 07:42:45,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 400 places, 425 transitions, 868 flow [2023-11-19 07:42:45,243 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:42:45,261 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 425 transitions, 868 flow [2023-11-19 07:42:45,264 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 425 transitions, 868 flow [2023-11-19 07:42:45,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 425 transitions, 868 flow [2023-11-19 07:42:45,388 INFO L124 PetriNetUnfolderBase]: 35/425 cut-off events. [2023-11-19 07:42:45,388 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:42:45,395 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 1140 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. [2023-11-19 07:42:45,414 INFO L119 LiptonReduction]: Number of co-enabled transitions 27258