./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.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_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:10,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:10,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:33:10,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:33:10,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:33:10,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:10,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:10,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:10,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:10,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:10,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:10,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:10,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:10,795 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:33:10,796 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:33:10,796 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:33:10,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:10,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:33:10,798 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:10,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:10,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:10,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:10,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:10,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:10,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:10,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:10,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:10,804 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:33:10,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:33:10,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-19 03:33:11,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:11,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:11,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:11,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:11,134 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:11,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:33:14,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:15,238 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:15,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:33:15,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data/4c74e9738/afdbe2d1c73c4ad59c8ddf79e2a89c42/FLAG7a6147833 [2023-11-19 03:33:15,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data/4c74e9738/afdbe2d1c73c4ad59c8ddf79e2a89c42 [2023-11-19 03:33:15,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:15,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:15,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:15,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:15,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:15,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71edf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15, skipping insertion in model container [2023-11-19 03:33:15,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:15,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:15,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:15,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:15,694 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:15,694 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:15,703 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:15,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15 WrapperNode [2023-11-19 03:33:15,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:15,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:15,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:15,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:15,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,783 INFO L138 Inliner]: procedures = 27, calls = 88, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 366 [2023-11-19 03:33:15,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:15,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:15,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:15,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:15,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:15,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:15,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:15,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:15,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:15" (1/1) ... [2023-11-19 03:33:15,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:15,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:15,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:15,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:33:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:33:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:33:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:33:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:33:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:33:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:33:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:33:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:33:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:33:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:33:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:33:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:33:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:33:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:33:15,990 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:33:16,195 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:16,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:16,993 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:17,322 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:17,323 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 03:33:17,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:17 BoogieIcfgContainer [2023-11-19 03:33:17,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:17,336 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:17,337 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:17,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:17,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,349 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:33:17,355 INFO L158 Benchmark]: Toolchain (without parser) took 2080.55ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 100.0MB in the end (delta: 39.1MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-11-19 03:33:17,356 INFO L158 Benchmark]: CDTParser took 1.99ms. Allocated memory is still 132.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:17,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.11ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 125.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:33:17,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.51ms. Allocated memory is still 176.2MB. Free memory was 125.9MB in the beginning and 122.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:17,359 INFO L158 Benchmark]: Boogie Preprocessor took 83.91ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 120.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:17,360 INFO L158 Benchmark]: RCFGBuilder took 1460.11ms. Allocated memory is still 176.2MB. Free memory was 120.3MB in the beginning and 101.1MB in the end (delta: 19.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-19 03:33:17,361 INFO L158 Benchmark]: CodeCheck took 15.90ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:17,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99ms. Allocated memory is still 132.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.11ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 125.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.51ms. Allocated memory is still 176.2MB. Free memory was 125.9MB in the beginning and 122.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.91ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 120.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1460.11ms. Allocated memory is still 176.2MB. Free memory was 120.3MB in the beginning and 101.1MB in the end (delta: 19.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * CodeCheck took 15.90ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:33:17,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:20,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:20,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:33:20,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:20,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:20,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:20,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:20,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:20,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:20,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:20,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:20,826 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:33:20,827 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:33:20,830 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:33:20,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:20,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:33:20,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:33:20,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:33:20,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:33:20,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:20,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:20,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:20,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:20,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:20,837 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:20,838 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:33:20,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:20,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:20,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:20,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:20,843 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:33:20,843 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:20,844 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:33:20,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:33:20,845 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-19 03:33:21,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:21,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:21,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:21,371 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:21,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:21,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:33:25,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:25,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:25,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:33:25,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data/256c69c14/9781a59165a444629831f096e805538c/FLAGab796bb6a [2023-11-19 03:33:25,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/data/256c69c14/9781a59165a444629831f096e805538c [2023-11-19 03:33:25,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:25,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:25,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:25,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:25,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:25,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:25" (1/1) ... [2023-11-19 03:33:25,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325b7391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:25, skipping insertion in model container [2023-11-19 03:33:25,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:25" (1/1) ... [2023-11-19 03:33:25,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:26,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:26,331 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:33:26,336 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:26,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:26,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:26,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:26,430 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:26,430 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:26,439 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:26,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26 WrapperNode [2023-11-19 03:33:26,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:26,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:26,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:26,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:26,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,514 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 356 [2023-11-19 03:33:26,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:26,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:26,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:26,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:26,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:26,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:26,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:26,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:26,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:26" (1/1) ... [2023-11-19 03:33:26,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:26,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:26,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:26,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:33:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:33:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:33:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:33:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:33:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:33:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:33:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:33:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:33:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:33:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:33:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:33:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:33:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:33:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:33:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:33:26,694 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:33:26,867 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:26,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:28,004 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:28,436 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:28,436 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 03:33:28,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:28 BoogieIcfgContainer [2023-11-19 03:33:28,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:28,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:28,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:28,457 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:28,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:28" (1/1) ... [2023-11-19 03:33:28,459 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:33:28,467 INFO L158 Benchmark]: Toolchain (without parser) took 2642.88ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 29.4MB in the beginning and 67.2MB in the end (delta: -37.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:28,468 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:28,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.82ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 45.9MB in the end (delta: -16.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:28,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.96ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 42.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:28,472 INFO L158 Benchmark]: Boogie Preprocessor took 60.69ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:28,473 INFO L158 Benchmark]: RCFGBuilder took 1867.11ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 39.9MB in the beginning and 68.1MB in the end (delta: -28.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:28,474 INFO L158 Benchmark]: CodeCheck took 20.08ms. Allocated memory is still 96.5MB. Free memory was 68.1MB in the beginning and 67.2MB in the end (delta: 862.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:28,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.82ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 45.9MB in the end (delta: -16.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.96ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 42.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.69ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1867.11ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 39.9MB in the beginning and 68.1MB in the end (delta: -28.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 20.08ms. Allocated memory is still 96.5MB. Free memory was 68.1MB in the beginning and 67.2MB in the end (delta: 862.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:33:28,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda015d3-e6b9-4e44-9999-18dd7d4164b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported