./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:08,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:08,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:20:08,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:08,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:08,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:08,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:08,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:08,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:08,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:08,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:08,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:08,391 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:08,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:08,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:20:08,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:20:08,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:20:08,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:08,396 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:20:08,397 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:20:08,397 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:20:08,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:08,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:20:08,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:20:08,399 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:20:08,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:08,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:08,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:08,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:08,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:08,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:08,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:08,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:20:08,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:20:08,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:08,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:08,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:08,406 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:08,413 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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2023-11-12 02:20:08,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:08,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:08,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:08,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:08,762 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:08,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-12 02:20:12,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:12,346 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:12,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-12 02:20:12,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data/da669650c/8d819b53b8aa4b3993eb01943e3d616c/FLAG34ffee552 [2023-11-12 02:20:12,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data/da669650c/8d819b53b8aa4b3993eb01943e3d616c [2023-11-12 02:20:12,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:12,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:12,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:12,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:12,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:12,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:12" (1/1) ... [2023-11-12 02:20:12,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfaaa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:12, skipping insertion in model container [2023-11-12 02:20:12,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:12" (1/1) ... [2023-11-12 02:20:12,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:12,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:12,774 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 02:20:12,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d3f0bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:12, skipping insertion in model container [2023-11-12 02:20:12,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:12,777 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:20:12,780 INFO L158 Benchmark]: Toolchain (without parser) took 398.27ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 105.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:20:12,781 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:20:12,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.18ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 105.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:20:12,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.18ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 105.4MB 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: 159]: 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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:15,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:15,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:20:15,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:15,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:15,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:15,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:15,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:15,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:15,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:15,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:15,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:15,919 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:15,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:15,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:20:15,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:20:15,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:20:15,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:15,924 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:20:15,925 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:20:15,926 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:20:15,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:15,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:20:15,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:20:15,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:20:15,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:20:15,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:20:15,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:15,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:15,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:15,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:15,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:15,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:15,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:15,935 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:20:15,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:20:15,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:15,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:15,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:15,938 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:20:15,938 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:15,939 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_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2023-11-12 02:20:16,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:16,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:16,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:16,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:16,453 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:16,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-12 02:20:20,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:20,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:20,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-12 02:20:20,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data/30bb53a07/157acba60c4348e3ae47cbb6d17e67bc/FLAGa2d84e0be [2023-11-12 02:20:20,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/data/30bb53a07/157acba60c4348e3ae47cbb6d17e67bc [2023-11-12 02:20:20,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:20,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:20,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:20,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:20,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:20,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:20" (1/1) ... [2023-11-12 02:20:20,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e689b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:20, skipping insertion in model container [2023-11-12 02:20:20,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:20" (1/1) ... [2023-11-12 02:20:20,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:20,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:20,843 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:20:20,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:20,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:20,927 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:20:20,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:21,008 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:20:21,008 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:20:21,017 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:20:21,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21 WrapperNode [2023-11-12 02:20:21,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:21,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:21,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:20:21,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:20:21,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,104 INFO L138 Inliner]: procedures = 28, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 320 [2023-11-12 02:20:21,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:21,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:20:21,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:20:21,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:20:21,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:20:21,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:20:21,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:20:21,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:20:21,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (1/1) ... [2023-11-12 02:20:21,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:21,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:21,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:20:21,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9e1e10-a6e6-48a6-82f1-3535ed1b809b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:20:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:20:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:20:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:20:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:20:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:20:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:20:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:20:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:20:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:20:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:20:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 02:20:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 02:20:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:20:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:20:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:20:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:20:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:20:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:20:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:20:21,322 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 02:20:21,504 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:20:21,506 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:20:22,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:20:22,743 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:20:22,744 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 02:20:22,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:22 BoogieIcfgContainer [2023-11-12 02:20:22,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:20:22,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:20:22,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:20:22,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:20:22,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:20:20" (1/3) ... [2023-11-12 02:20:22,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b86d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:22, skipping insertion in model container [2023-11-12 02:20:22,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:21" (2/3) ... [2023-11-12 02:20:22,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b86d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:22, skipping insertion in model container [2023-11-12 02:20:22,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:22" (3/3) ... [2023-11-12 02:20:22,762 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2023-11-12 02:20:22,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:20:22,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-12 02:20:22,785 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:20:22,954 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-12 02:20:23,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 282 transitions, 592 flow [2023-11-12 02:20:23,237 INFO L124 PetriNetUnfolderBase]: 19/278 cut-off events. [2023-11-12 02:20:23,238 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:20:23,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 278 events. 19/278 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 231 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 222. Up to 2 conditions per place. [2023-11-12 02:20:23,247 INFO L82 GeneralOperation]: Start removeDead. Operand has 276 places, 282 transitions, 592 flow [2023-11-12 02:20:23,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 267 places, 273 transitions, 570 flow [2023-11-12 02:20:23,266 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:20:23,283 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 267 places, 273 transitions, 570 flow [2023-11-12 02:20:23,288 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 267 places, 273 transitions, 570 flow [2023-11-12 02:20:23,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 273 transitions, 570 flow [2023-11-12 02:20:23,379 INFO L124 PetriNetUnfolderBase]: 19/273 cut-off events. [2023-11-12 02:20:23,379 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:20:23,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 273 events. 19/273 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 232 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 222. Up to 2 conditions per place. [2023-11-12 02:20:23,386 INFO L119 LiptonReduction]: Number of co-enabled transitions 3608 [2023-11-12 02:21:08,561 WARN L293 SmtUtils]: Spent 7.78s on a formula simplification. DAG size of input: 135 DAG size of output: 134 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)