./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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 ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:47,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:47,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:04:47,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:47,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:47,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:47,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:47,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:47,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:47,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:47,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:47,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:47,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:47,342 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:04:47,342 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:04:47,343 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:04:47,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:47,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:04:47,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:47,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:47,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:47,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:47,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:47,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:47,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:47,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:47,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:47,349 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:47,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:47,349 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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 [2023-11-19 03:04:47,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:47,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:47,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:47,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:47,763 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:47,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 03:04:50,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:51,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:51,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 03:04:51,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data/2dd2bedc2/f194cb2681f54d25a9db7254e916eab6/FLAG356d0eb52 [2023-11-19 03:04:51,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data/2dd2bedc2/f194cb2681f54d25a9db7254e916eab6 [2023-11-19 03:04:51,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:51,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:51,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:51,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:51,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:51,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3febd437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51, skipping insertion in model container [2023-11-19 03:04:51,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:52,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:52,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:52,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:52,114 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:04:52,115 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:04:52,123 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:52,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52 WrapperNode [2023-11-19 03:04:52,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:52,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:52,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:52,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:52,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,221 INFO L138 Inliner]: procedures = 179, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 179 [2023-11-19 03:04:52,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:52,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:52,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:52,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:52,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:52,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:52,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:52,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:52,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:52,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:52,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:52,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:04:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:04:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:04:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:04:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:04:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:04:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:04:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:04:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:52,403 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 03:04:52,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:52,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:53,100 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:53,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:53,459 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:04:53,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:53 BoogieIcfgContainer [2023-11-19 03:04:53,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:53,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:53,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:53,480 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:53,481 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:53" (1/1) ... [2023-11-19 03:04:53,482 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 03:04:53,494 INFO L158 Benchmark]: Toolchain (without parser) took 2101.41ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 45.8MB in the end (delta: 84.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-11-19 03:04:53,495 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:53,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.16ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 110.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:04:53,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.87ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:53,498 INFO L158 Benchmark]: Boogie Preprocessor took 77.80ms. Allocated memory is still 159.4MB. Free memory was 107.6MB in the beginning and 105.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:04:53,499 INFO L158 Benchmark]: RCFGBuilder took 1166.88ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 46.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 03:04:53,499 INFO L158 Benchmark]: CodeCheck took 23.23ms. Allocated memory is still 159.4MB. Free memory was 46.4MB in the beginning and 45.8MB in the end (delta: 632.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:53,511 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 113.2MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.16ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 110.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.87ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.80ms. Allocated memory is still 159.4MB. Free memory was 107.6MB in the beginning and 105.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1166.88ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 46.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * CodeCheck took 23.23ms. Allocated memory is still 159.4MB. Free memory was 46.4MB in the beginning and 45.8MB in the end (delta: 632.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:04:53,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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 ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:56,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:56,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:04:56,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:56,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:56,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:56,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:56,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:56,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:56,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:56,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:56,608 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:04:56,609 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:04:56,609 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:04:56,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:56,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:04:56,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:04:56,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:04:56,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:04:56,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:56,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:56,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:56,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:56,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:56,614 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:04:56,614 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:04:56,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:56,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:56,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:56,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:56,617 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:04:56,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:04:56,618 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:04:56,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:04:56,619 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_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 [2023-11-19 03:04:57,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:57,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:57,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:57,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:57,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:57,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 03:05:00,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:00,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:00,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-19 03:05:00,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data/0df28f60f/b85f838e73ca4269bc1f50190e4a192c/FLAG9fd8891b1 [2023-11-19 03:05:00,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/data/0df28f60f/b85f838e73ca4269bc1f50190e4a192c [2023-11-19 03:05:00,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:00,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:00,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:00,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:00,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:00,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c9bd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:00, skipping insertion in model container [2023-11-19 03:05:00,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:00" (1/1) ... [2023-11-19 03:05:00,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:01,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:01,573 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:01,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:01,683 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:01,683 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:01,691 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:01,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01 WrapperNode [2023-11-19 03:05:01,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:01,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:01,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:01,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:01,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,758 INFO L138 Inliner]: procedures = 183, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 176 [2023-11-19 03:05:01,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:01,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:01,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:01,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:01,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:01,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:01,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:01,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:01,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:01" (1/1) ... [2023-11-19 03:05:01,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:01,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:01,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:01,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:05:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:05:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:05:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:05:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:05:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:05:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:05:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:05:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:01,916 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 03:05:02,081 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:02,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:02,633 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:03,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:03,023 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:05:03,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:03 BoogieIcfgContainer [2023-11-19 03:05:03,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:03,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:03,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:03,044 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:03,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:03" (1/1) ... [2023-11-19 03:05:03,045 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 03:05:03,052 INFO L158 Benchmark]: Toolchain (without parser) took 2192.47ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.2MB in the beginning and 64.3MB in the end (delta: -18.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-19 03:05:03,053 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:03,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.60ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 61.9MB in the end (delta: -16.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:03,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.05ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:03,056 INFO L158 Benchmark]: Boogie Preprocessor took 60.55ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:03,057 INFO L158 Benchmark]: RCFGBuilder took 1209.52ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 65.4MB in the end (delta: -8.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:05:03,058 INFO L158 Benchmark]: CodeCheck took 17.06ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 64.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:03,069 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 0.85ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.60ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 61.9MB in the end (delta: -16.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.05ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.55ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1209.52ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 65.4MB in the end (delta: -8.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 17.06ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 64.3MB 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 03:05:03,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2edb10-ff0c-454f-8007-bf6bc6e97f49/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported