./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:12,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:12,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:06:12,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:12,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:12,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:12,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:12,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:12,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:12,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:12,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:12,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:12,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:12,799 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:06:12,799 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:06:12,800 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:06:12,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:12,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:12,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:12,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:12,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:12,802 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:12,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:12,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:12,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:12,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:12,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:12,806 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:12,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:12,807 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_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-19 04:06:13,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:13,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:13,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:13,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:13,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:13,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 04:06:16,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:16,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:16,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 04:06:16,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data/66fcb6757/c6d1e0c1b8a94778a28727521fb0e8a7/FLAG8434bf9e2 [2023-11-19 04:06:16,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data/66fcb6757/c6d1e0c1b8a94778a28727521fb0e8a7 [2023-11-19 04:06:16,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:16,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:16,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:16,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:16,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:16,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:16,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd5e682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16, skipping insertion in model container [2023-11-19 04:06:16,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:16,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:16,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:16,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:16,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:16,923 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:16,923 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:16,930 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:16,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16 WrapperNode [2023-11-19 04:06:16,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:16,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:16,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:16,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:16,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:16,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:16,993 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 362 [2023-11-19 04:06:16,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:16,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:16,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:16,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:17,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:17,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:17,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:17,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:17,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:16" (1/1) ... [2023-11-19 04:06:17,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:17,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:17,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:17,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:06:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:06:17,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:06:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:06:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:06:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:06:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:06:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:06:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:06:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:06:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:17,150 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 04:06:17,277 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:17,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:18,074 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:18,397 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:18,397 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 04:06:18,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:18 BoogieIcfgContainer [2023-11-19 04:06:18,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:18,411 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:18,411 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:18,423 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:18,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,425 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 04:06:18,431 INFO L158 Benchmark]: Toolchain (without parser) took 1881.07ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 66.5MB in the end (delta: 53.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,432 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:18,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.60ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 106.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 165.7MB. Free memory was 106.1MB in the beginning and 103.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,435 INFO L158 Benchmark]: Boogie Preprocessor took 62.33ms. Allocated memory is still 165.7MB. Free memory was 103.1MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,437 INFO L158 Benchmark]: RCFGBuilder took 1349.73ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 67.5MB in the end (delta: 33.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,438 INFO L158 Benchmark]: CodeCheck took 17.95ms. Allocated memory is still 165.7MB. Free memory was 67.5MB in the beginning and 66.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,447 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 0.34ms. Allocated memory is still 119.5MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.60ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 106.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 165.7MB. Free memory was 106.1MB in the beginning and 103.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.33ms. Allocated memory is still 165.7MB. Free memory was 103.1MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1349.73ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 67.5MB in the end (delta: 33.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * CodeCheck took 17.95ms. Allocated memory is still 165.7MB. Free memory was 67.5MB in the beginning and 66.5MB in the end (delta: 1.0MB). 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 04:06:18,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:21,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:21,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:21,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:21,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:21,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:21,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:21,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:21,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:21,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:21,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:21,506 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:06:21,507 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:06:21,508 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:06:21,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:21,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:21,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:21,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:21,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:21,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:21,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:21,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:21,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:21,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:21,513 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:21,514 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:21,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:21,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:21,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:21,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:21,517 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:21,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:21,518 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:21,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:21,518 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_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-19 04:06:21,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:21,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:21,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:21,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:21,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:21,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 04:06:25,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:25,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:25,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 04:06:25,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data/fdc71f3f4/8f9577ddde1f4edc925b5b811b53b44c/FLAG50a665519 [2023-11-19 04:06:25,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/data/fdc71f3f4/8f9577ddde1f4edc925b5b811b53b44c [2023-11-19 04:06:25,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:25,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:25,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:25,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:25,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:25,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16989b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25, skipping insertion in model container [2023-11-19 04:06:25,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:25,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:25,799 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:06:25,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:25,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:25,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:25,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:25,955 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:25,955 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:25,963 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:25,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25 WrapperNode [2023-11-19 04:06:25,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:25,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:25,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:25,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:25,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,075 INFO L138 Inliner]: procedures = 29, calls = 84, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 352 [2023-11-19 04:06:26,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:26,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:26,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:26,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:26,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:26,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:26,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:26,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:26,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:26,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:26,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:26,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:26,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:06:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:06:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:06:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:06:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:06:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:06:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:06:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:06:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:06:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:06:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:06:26,284 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 04:06:26,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:26,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:27,403 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:27,767 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:27,768 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 04:06:27,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:27 BoogieIcfgContainer [2023-11-19 04:06:27,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:27,781 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:27,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:27,791 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:27,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,792 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 04:06:27,799 INFO L158 Benchmark]: Toolchain (without parser) took 2367.71ms. Allocated memory was 79.7MB in the beginning and 132.1MB in the end (delta: 52.4MB). Free memory was 55.4MB in the beginning and 80.5MB in the end (delta: -25.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:27,800 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 150.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:27,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.24ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 39.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:27,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.10ms. Allocated memory was 79.7MB in the beginning and 132.1MB in the end (delta: 52.4MB). Free memory was 39.4MB in the beginning and 110.3MB in the end (delta: -70.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-19 04:06:27,803 INFO L158 Benchmark]: Boogie Preprocessor took 91.15ms. Allocated memory is still 132.1MB. Free memory was 110.3MB in the beginning and 107.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:27,804 INFO L158 Benchmark]: RCFGBuilder took 1609.18ms. Allocated memory is still 132.1MB. Free memory was 107.7MB in the beginning and 82.3MB in the end (delta: 25.4MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-19 04:06:27,805 INFO L158 Benchmark]: CodeCheck took 16.88ms. Allocated memory is still 132.1MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 886.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:27,814 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 0.42ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 150.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.24ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 39.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.10ms. Allocated memory was 79.7MB in the beginning and 132.1MB in the end (delta: 52.4MB). Free memory was 39.4MB in the beginning and 110.3MB in the end (delta: -70.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.15ms. Allocated memory is still 132.1MB. Free memory was 110.3MB in the beginning and 107.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1609.18ms. Allocated memory is still 132.1MB. Free memory was 107.7MB in the beginning and 82.3MB in the end (delta: 25.4MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * CodeCheck took 16.88ms. Allocated memory is still 132.1MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 886.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:06:27,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5677a7-a67f-4e5e-b77f-94dc9fd9509f/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