./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:12,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:12,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 08:06:12,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:12,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:12,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:12,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:12,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:12,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:12,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:12,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:12,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:12,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:12,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:12,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:12,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:12,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:12,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:12,707 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:06:12,707 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:06:12,708 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:06:12,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:12,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:06:12,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:06:12,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:12,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:12,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:12,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:12,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:12,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:12,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:12,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:12,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:12,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:12,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:12,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:12,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:12,718 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:12,718 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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2023-11-19 08:06:13,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:13,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:13,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:13,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:13,055 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:13,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 08:06:16,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:16,650 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:16,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 08:06:16,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data/de6f7bc6c/48698c5cfaea485b9b8c0b60d65cd20d/FLAGa51c66d1b [2023-11-19 08:06:16,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data/de6f7bc6c/48698c5cfaea485b9b8c0b60d65cd20d [2023-11-19 08:06:16,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:16,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:16,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:16,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:16,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:16,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:16" (1/1) ... [2023-11-19 08:06:16,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff651bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:16, skipping insertion in model container [2023-11-19 08:06:16,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:16" (1/1) ... [2023-11-19 08:06:16,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:16,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:17,001 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 08:06:17,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@380d3b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:17, skipping insertion in model container [2023-11-19 08:06:17,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:17,003 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:06:17,005 INFO L158 Benchmark]: Toolchain (without parser) took 323.09ms. Allocated memory is still 140.5MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:06:17,006 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:06:17,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.26ms. Allocated memory is still 140.5MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:06:17,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.26ms. Allocated memory is still 140.5MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 215]: 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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:19,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:20,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 08:06:20,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:20,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:20,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:20,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:20,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:20,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:20,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:20,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:20,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:20,085 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:20,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:20,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:20,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:20,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:20,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:20,089 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:06:20,090 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:06:20,091 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:06:20,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:20,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:06:20,092 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:06:20,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:06:20,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:06:20,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:20,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:20,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:20,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:20,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:20,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:20,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:20,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:20,097 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:06:20,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:06:20,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:20,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:20,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:20,099 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:06:20,099 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:20,100 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_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2023-11-19 08:06:20,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:20,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:20,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:20,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:20,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:20,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 08:06:23,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:24,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:24,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 08:06:24,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data/a2e00a268/eb166d54268f49af90470c058d951231/FLAGd7029f9f4 [2023-11-19 08:06:24,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/data/a2e00a268/eb166d54268f49af90470c058d951231 [2023-11-19 08:06:24,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:24,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:24,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:24,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:24,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:24,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e4a856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24, skipping insertion in model container [2023-11-19 08:06:24,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:24,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:24,730 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 08:06:24,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:24,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:24,804 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:24,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:24,907 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:06:24,908 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:06:24,918 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:24,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24 WrapperNode [2023-11-19 08:06:24,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:24,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:24,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:24,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:24,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,025 INFO L138 Inliner]: procedures = 28, calls = 94, calls flagged for inlining = 28, calls inlined = 34, statements flattened = 469 [2023-11-19 08:06:25,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:25,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:25,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:25,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:25,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:25,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:25,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:25,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:25,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:25,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:25,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:25,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:25,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0ceadc-3485-4ade-9cf6-37d3affe37d5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:06:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:06:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:06:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:06:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:06:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:06:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:06:25,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 08:06:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 08:06:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 08:06:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 08:06:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:06:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:06:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:06:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:06:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:06:25,272 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 08:06:25,549 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:25,551 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:26,997 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:27,539 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:27,539 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 08:06:27,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:27 BoogieIcfgContainer [2023-11-19 08:06:27,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:27,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:27,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:27,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:27,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:24" (1/3) ... [2023-11-19 08:06:27,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae58cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:27, skipping insertion in model container [2023-11-19 08:06:27,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (2/3) ... [2023-11-19 08:06:27,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae58cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:27, skipping insertion in model container [2023-11-19 08:06:27,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:27" (3/3) ... [2023-11-19 08:06:27,571 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-2.wvr-bad.c [2023-11-19 08:06:27,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:27,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-19 08:06:27,597 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:06:27,806 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 08:06:27,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 391 places, 415 transitions, 858 flow [2023-11-19 08:06:28,199 INFO L124 PetriNetUnfolderBase]: 37/411 cut-off events. [2023-11-19 08:06:28,200 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-19 08:06:28,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 411 events. 37/411 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 480 event pairs, 0 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 348. Up to 8 conditions per place. [2023-11-19 08:06:28,223 INFO L82 GeneralOperation]: Start removeDead. Operand has 391 places, 415 transitions, 858 flow [2023-11-19 08:06:28,240 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 382 places, 406 transitions, 836 flow [2023-11-19 08:06:28,245 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:06:28,261 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 406 transitions, 836 flow [2023-11-19 08:06:28,267 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 406 transitions, 836 flow [2023-11-19 08:06:28,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 382 places, 406 transitions, 836 flow [2023-11-19 08:06:28,409 INFO L124 PetriNetUnfolderBase]: 37/406 cut-off events. [2023-11-19 08:06:28,410 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-19 08:06:28,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 406 events. 37/406 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 478 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 348. Up to 8 conditions per place. [2023-11-19 08:06:28,427 INFO L119 LiptonReduction]: Number of co-enabled transitions 10736