./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b --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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:39,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:39,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 01:48:39,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:48:39,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:48:39,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:39,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:39,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:48:39,551 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:39,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:39,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:39,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:39,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:39,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:39,553 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:48:39,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:48:39,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b 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 -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2024-12-06 01:48:39,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:39,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:39,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:39,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:39,777 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:39,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-06 01:48:42,374 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/6344df2d9/0cda10a5597c46518affdf98e943e523/FLAGe7234856a [2024-12-06 01:48:42,624 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:42,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-06 01:48:42,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/6344df2d9/0cda10a5597c46518affdf98e943e523/FLAGe7234856a [2024-12-06 01:48:42,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/6344df2d9/0cda10a5597c46518affdf98e943e523 [2024-12-06 01:48:42,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:42,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:42,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:42,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:42,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:42,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:42" (1/1) ... [2024-12-06 01:48:42,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60961208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:42, skipping insertion in model container [2024-12-06 01:48:42,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:42" (1/1) ... [2024-12-06 01:48:42,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:43,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:43,265 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:43,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:43,332 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:43,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43 WrapperNode [2024-12-06 01:48:43,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:43,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:43,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:43,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:43,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,366 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-12-06 01:48:43,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:43,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:43,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:43,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:43,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,379 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:43,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:43,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:43,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:43,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:43,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:43,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-06 01:48:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-06 01:48:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-06 01:48:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-06 01:48:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:48:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:48:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:48:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:43,445 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 01:48:43,534 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:43,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:43,667 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:48:43,667 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:43,676 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:43,676 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 01:48:43,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:43 BoogieIcfgContainer [2024-12-06 01:48:43,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:43,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:43,677 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:43,684 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:43,684 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:43" (1/1) ... [2024-12-06 01:48:43,685 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:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:48:43,690 INFO L158 Benchmark]: Toolchain (without parser) took 719.35ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 55.6MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:48:43,690 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:43,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.50ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 72.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:48:43,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.42ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:48:43,692 INFO L158 Benchmark]: Boogie Preprocessor took 20.06ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:43,692 INFO L158 Benchmark]: RCFGBuilder took 289.45ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 56.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:48:43,692 INFO L158 Benchmark]: CodeCheck took 11.27ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 55.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:43,695 INFO L338 ainManager$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:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.50ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 72.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.42ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.06ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.45ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 56.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11.27ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 55.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:48:43,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b --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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:45,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:45,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 01:48:45,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:45,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:45,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:48:45,762 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:45,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:45,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:48:45,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:45,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:48:45,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:45,765 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:48:45,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b 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 -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2024-12-06 01:48:45,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:45,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:45,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:45,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:45,995 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:45,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-06 01:48:48,646 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/8ec6b322b/06393fb320bd454aa0f3f98abea9cffd/FLAG6beb77465 [2024-12-06 01:48:48,884 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:48,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-06 01:48:48,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/8ec6b322b/06393fb320bd454aa0f3f98abea9cffd/FLAG6beb77465 [2024-12-06 01:48:48,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/data/8ec6b322b/06393fb320bd454aa0f3f98abea9cffd [2024-12-06 01:48:48,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:48,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:48,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:48,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:48,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:48,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:48" (1/1) ... [2024-12-06 01:48:48,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aed66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:48, skipping insertion in model container [2024-12-06 01:48:48,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:48" (1/1) ... [2024-12-06 01:48:48,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:49,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:49,200 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:49,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:49,270 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:49,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49 WrapperNode [2024-12-06 01:48:49,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:49,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:49,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:49,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:49,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,306 INFO L138 Inliner]: procedures = 165, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-12-06 01:48:49,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:49,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:49,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:49,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:49,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,322 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:49,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:49,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:49,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:49,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:49,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:49,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-06 01:48:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-06 01:48:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-06 01:48:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-06 01:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:49,384 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 01:48:49,496 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:49,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:49,650 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:48:49,650 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:49,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:49,658 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 01:48:49,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:49 BoogieIcfgContainer [2024-12-06 01:48:49,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:49,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:49,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:49,666 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:49,666 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,667 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:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:48:49,671 INFO L158 Benchmark]: Toolchain (without parser) took 757.43ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 60.2MB in the end (delta: 9.0MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-12-06 01:48:49,672 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:49,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.42ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 49.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:48:49,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.72ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 47.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:49,673 INFO L158 Benchmark]: Boogie Preprocessor took 23.72ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 46.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:49,673 INFO L158 Benchmark]: RCFGBuilder took 327.77ms. Allocated memory is still 92.3MB. Free memory was 46.1MB in the beginning and 61.6MB in the end (delta: -15.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-12-06 01:48:49,674 INFO L158 Benchmark]: CodeCheck took 10.86ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:48:49,676 INFO L338 ainManager$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:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.42ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 49.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.72ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 47.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.72ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 46.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.77ms. Allocated memory is still 92.3MB. Free memory was 46.1MB in the beginning and 61.6MB in the end (delta: -15.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * CodeCheck took 10.86ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:48:49,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cb7e31-8616-4963-bf88-258cbd5d19be/bin/ukojak-verify-CZk0znPC7b/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