./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9 --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 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:34:19,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:34:19,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:34:19,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:34:19,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:34:19,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:34:19,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:34:19,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:34:19,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:34:19,564 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:34:19,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:34:19,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:34:19,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:34:19,566 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:34:19,567 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:34:19,567 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:34:19,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:34:19,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:34:19,569 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:34:19,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:34:19,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:34:19,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:34:19,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:34:19,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:34:19,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:34:19,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:34:19,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:34:19,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:34:19,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:34:19,575 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_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-12-02 23:34:19,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:34:19,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:34:19,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:34:19,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:34:19,869 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:34:19,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:34:23,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:34:23,365 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:34:23,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:34:23,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data/9ff5d2b2d/92af79fef4614686914e804984e7a9f5/FLAGbe9f5f0a5 [2023-12-02 23:34:23,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data/9ff5d2b2d/92af79fef4614686914e804984e7a9f5 [2023-12-02 23:34:23,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:34:23,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:34:23,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:34:23,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:34:23,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:34:23,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:23" (1/1) ... [2023-12-02 23:34:23,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff565e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:23, skipping insertion in model container [2023-12-02 23:34:23,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:23" (1/1) ... [2023-12-02 23:34:23,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:34:23,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:34:23,903 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:34:23,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:34:23,997 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:34:23,997 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:34:24,007 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:34:24,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24 WrapperNode [2023-12-02 23:34:24,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:34:24,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:34:24,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:34:24,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:34:24,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,073 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 194 [2023-12-02 23:34:24,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:34:24,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:34:24,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:34:24,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:34:24,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:34:24,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:34:24,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:34:24,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:34:24,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:24" (1/1) ... [2023-12-02 23:34:24,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:34:24,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:34:24,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:34:24,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:34:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:34:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 23:34:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 23:34:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:34:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:34:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:34:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:34:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:34:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:34:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:34:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:34:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:34:24,203 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:34:24,378 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:34:24,381 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:34:24,893 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:34:25,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:34:25,198 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 23:34:25,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:25 BoogieIcfgContainer [2023-12-02 23:34:25,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:34:25,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:34:25,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:34:25,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:34:25,215 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:25" (1/1) ... [2023-12-02 23:34:25,216 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) [2023-12-02 23:34:25,220 INFO L158 Benchmark]: Toolchain (without parser) took 1807.79ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 97.7MB in the beginning and 127.8MB in the end (delta: -30.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-12-02 23:34:25,221 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:34:25,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.24ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 76.3MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:34:25,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.28ms. Allocated memory is still 144.7MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:34:25,224 INFO L158 Benchmark]: Boogie Preprocessor took 42.57ms. Allocated memory is still 144.7MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:34:25,225 INFO L158 Benchmark]: RCFGBuilder took 1083.26ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 71.8MB in the beginning and 128.8MB in the end (delta: -57.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-12-02 23:34:25,226 INFO L158 Benchmark]: CodeCheck took 16.15ms. Allocated memory is still 207.6MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:34:25,229 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 0.26ms. Allocated memory is still 144.7MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.24ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 76.3MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.28ms. Allocated memory is still 144.7MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.57ms. Allocated memory is still 144.7MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1083.26ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 71.8MB in the beginning and 128.8MB in the end (delta: -57.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * CodeCheck took 16.15ms. Allocated memory is still 207.6MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:34:25,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9 --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 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:34:27,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:34:27,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 23:34:27,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:34:27,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:34:27,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:34:27,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:34:27,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:34:27,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:34:27,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:34:27,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:34:27,723 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:34:27,724 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:34:27,725 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:34:27,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:34:27,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:34:27,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:34:27,728 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:34:27,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:34:27,729 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:34:27,730 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:34:27,731 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:34:27,731 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:34:27,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:34:27,732 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:34:27,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:34:27,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:34:27,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:34:27,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:34:27,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:34:27,736 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:34:27,736 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:34:27,737 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:34:27,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:34:27,737 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_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-12-02 23:34:28,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:34:28,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:34:28,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:34:28,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:34:28,120 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:34:28,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:34:31,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:34:31,729 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:34:31,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-12-02 23:34:31,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data/1e94dea1d/de2a29c4e9e94d069ab055583ae7f4f4/FLAG36fcc7b54 [2023-12-02 23:34:31,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/data/1e94dea1d/de2a29c4e9e94d069ab055583ae7f4f4 [2023-12-02 23:34:31,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:34:31,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:34:31,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:34:31,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:34:31,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:34:31,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:31" (1/1) ... [2023-12-02 23:34:31,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be51aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:31, skipping insertion in model container [2023-12-02 23:34:31,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:31" (1/1) ... [2023-12-02 23:34:31,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:34:32,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:34:32,225 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:34:32,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:34:32,322 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:34:32,322 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:34:32,330 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:34:32,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32 WrapperNode [2023-12-02 23:34:32,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:34:32,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:34:32,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:34:32,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:34:32,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,397 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 191 [2023-12-02 23:34:32,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:34:32,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:34:32,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:34:32,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:34:32,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:34:32,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:34:32,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:34:32,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:34:32,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:32" (1/1) ... [2023-12-02 23:34:32,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:34:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:34:32,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:34:32,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:34:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:34:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 23:34:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 23:34:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:34:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:34:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:34:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:34:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:34:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:34:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 23:34:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:34:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:34:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:34:32,510 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:34:32,741 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:34:32,744 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:34:33,365 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:34:33,725 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:34:33,726 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 23:34:33,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:33 BoogieIcfgContainer [2023-12-02 23:34:33,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:34:33,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:34:33,729 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:34:33,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:34:33,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:33" (1/1) ... [2023-12-02 23:34:33,741 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) [2023-12-02 23:34:33,747 INFO L158 Benchmark]: Toolchain (without parser) took 1974.13ms. Allocated memory is still 115.3MB. Free memory was 90.2MB in the beginning and 65.4MB in the end (delta: 24.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-12-02 23:34:33,747 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:34:33,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.23ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 67.5MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:34:33,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.01ms. Allocated memory is still 115.3MB. Free memory was 67.5MB in the beginning and 65.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:34:33,750 INFO L158 Benchmark]: Boogie Preprocessor took 43.02ms. Allocated memory is still 115.3MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:34:33,752 INFO L158 Benchmark]: RCFGBuilder took 1285.75ms. Allocated memory is still 115.3MB. Free memory was 62.6MB in the beginning and 66.3MB in the end (delta: -3.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-12-02 23:34:33,753 INFO L158 Benchmark]: CodeCheck took 15.52ms. Allocated memory is still 115.3MB. Free memory was 66.3MB in the beginning and 65.4MB in the end (delta: 878.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:34:33,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.23ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 67.5MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.01ms. Allocated memory is still 115.3MB. Free memory was 67.5MB in the beginning and 65.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.02ms. Allocated memory is still 115.3MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1285.75ms. Allocated memory is still 115.3MB. Free memory was 62.6MB in the beginning and 66.3MB in the end (delta: -3.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * CodeCheck took 15.52ms. Allocated memory is still 115.3MB. Free memory was 66.3MB in the beginning and 65.4MB in the end (delta: 878.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:34:33,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e0d84b-b6e2-4e9a-8649-161ece4c895d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported