./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/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_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/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_d9506058-15ca-46ec-9474-9b9e8e808719/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:38,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:38,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 08:04:38,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:38,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:38,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:38,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:38,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:38,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:38,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:38,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:38,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:38,852 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:38,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:38,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:38,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:38,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:38,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:38,857 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:04:38,857 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:04:38,857 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:04:38,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:38,859 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:38,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:04:38,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:38,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:38,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:38,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:38,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:38,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:38,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:38,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:38,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:38,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:38,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:38,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:38,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:38,866 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:38,866 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_d9506058-15ca-46ec-9474-9b9e8e808719/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-19 08:04:39,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:39,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:39,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:39,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:39,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:39,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 08:04:42,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:42,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:42,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 08:04:42,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data/5e326ecf6/3b7fff8740da4fc9862d1429ad4aba8d/FLAG130430e1a [2023-11-19 08:04:42,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data/5e326ecf6/3b7fff8740da4fc9862d1429ad4aba8d [2023-11-19 08:04:42,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:42,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:42,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:42,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:42,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:42,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:42" (1/1) ... [2023-11-19 08:04:42,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3725f243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:42, skipping insertion in model container [2023-11-19 08:04:42,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:42" (1/1) ... [2023-11-19 08:04:43,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:43,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:43,335 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 08:04:43,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5109f4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:43, skipping insertion in model container [2023-11-19 08:04:43,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:43,337 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:04:43,339 INFO L158 Benchmark]: Toolchain (without parser) took 395.26ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 115.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:43,340 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:43,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.35ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 115.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:04:43,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.35ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 115.7MB 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: 195]: 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_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/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_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/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_d9506058-15ca-46ec-9474-9b9e8e808719/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:46,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:46,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 08:04:46,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:46,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:46,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:46,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:46,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:46,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:46,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:46,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:46,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:46,302 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:46,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:46,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:46,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:46,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:46,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:46,307 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:04:46,308 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:04:46,309 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:04:46,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:46,310 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:46,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:04:46,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:04:46,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:04:46,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:46,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:46,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:46,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:46,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:46,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:46,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:46,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:46,317 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:04:46,317 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:04:46,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:46,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:46,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:46,319 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:04:46,320 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:46,320 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_d9506058-15ca-46ec-9474-9b9e8e808719/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-19 08:04:46,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:46,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:46,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:46,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:46,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:46,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 08:04:50,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:50,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:50,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 08:04:50,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data/9a52afda5/d4c47eac130e4e6db346e726abe09584/FLAGa167f7ce8 [2023-11-19 08:04:50,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/data/9a52afda5/d4c47eac130e4e6db346e726abe09584 [2023-11-19 08:04:50,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:50,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:50,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:50,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:50,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:50,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679bd343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50, skipping insertion in model container [2023-11-19 08:04:50,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,404 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:50,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:50,689 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 08:04:50,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:50,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:50,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:50,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:50,817 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:50,818 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:04:50,825 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:50,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50 WrapperNode [2023-11-19 08:04:50,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:50,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:50,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:50,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:50,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,891 INFO L138 Inliner]: procedures = 28, calls = 94, calls flagged for inlining = 28, calls inlined = 34, statements flattened = 469 [2023-11-19 08:04:50,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:50,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:50,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:50,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:50,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:50,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:50,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:50,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:50,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:51,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:51,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:51,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:51,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9506058-15ca-46ec-9474-9b9e8e808719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:04:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:04:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:04:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:04:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:04:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:04:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:04:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 08:04:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 08:04:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 08:04:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 08:04:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:04:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:04:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:04:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:04:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:04:51,107 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 08:04:51,328 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:51,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:52,690 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:53,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:53,156 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 08:04:53,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:53 BoogieIcfgContainer [2023-11-19 08:04:53,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:53,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:53,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:53,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:53,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:50" (1/3) ... [2023-11-19 08:04:53,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4301c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:53, skipping insertion in model container [2023-11-19 08:04:53,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (2/3) ... [2023-11-19 08:04:53,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4301c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:53, skipping insertion in model container [2023-11-19 08:04:53,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:53" (3/3) ... [2023-11-19 08:04:53,171 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2023-11-19 08:04:53,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:53,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-19 08:04:53,196 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:04:53,388 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 08:04:53,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 379 places, 397 transitions, 822 flow [2023-11-19 08:04:53,608 INFO L124 PetriNetUnfolderBase]: 31/393 cut-off events. [2023-11-19 08:04:53,608 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-19 08:04:53,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 393 events. 31/393 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 433 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 332. Up to 3 conditions per place. [2023-11-19 08:04:53,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 379 places, 397 transitions, 822 flow [2023-11-19 08:04:53,629 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 370 places, 388 transitions, 800 flow [2023-11-19 08:04:53,634 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:04:53,644 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 370 places, 388 transitions, 800 flow [2023-11-19 08:04:53,648 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 370 places, 388 transitions, 800 flow [2023-11-19 08:04:53,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 370 places, 388 transitions, 800 flow [2023-11-19 08:04:53,788 INFO L124 PetriNetUnfolderBase]: 31/388 cut-off events. [2023-11-19 08:04:53,788 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-19 08:04:53,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 388 events. 31/388 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 436 event pairs, 0 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 332. Up to 3 conditions per place. [2023-11-19 08:04:53,805 INFO L119 LiptonReduction]: Number of co-enabled transitions 8364