./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:48,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:48,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:17:48,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:17:48,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:17:48,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:48,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:48,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:48,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:48,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:48,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:17:48,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:48,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:48,665 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:17:48,665 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:17:48,666 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:17:48,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:48,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:17:48,668 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:48,669 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:48,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:48,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:48,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:48,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:48,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:48,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:48,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:48,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:17:48,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:17:48,674 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_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2023-11-19 03:17:48,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:48,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:48,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:48,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:48,967 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:48,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-19 03:17:52,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:52,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:52,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-19 03:17:52,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data/e0feb525c/48beaaa1b1414632883cbabb86c53122/FLAGc4bdf560f [2023-11-19 03:17:52,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data/e0feb525c/48beaaa1b1414632883cbabb86c53122 [2023-11-19 03:17:52,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:52,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:52,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:52,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:52,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:52,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:52" (1/1) ... [2023-11-19 03:17:52,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542b703c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:52, skipping insertion in model container [2023-11-19 03:17:52,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:52" (1/1) ... [2023-11-19 03:17:52,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:52,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:53,007 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:53,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:53,137 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:53,137 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:53,145 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:53,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53 WrapperNode [2023-11-19 03:17:53,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:53,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:53,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:53,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:53,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,232 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 194 [2023-11-19 03:17:53,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:53,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:53,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:53,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:53,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:53,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:53,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:53,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:53,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:53" (1/1) ... [2023-11-19 03:17:53,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:53,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:53,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:53,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:17:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:17:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:17:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:17:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:17:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:17:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:17:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:17:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:53,392 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:17:53,641 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:53,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:54,191 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:54,561 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:54,562 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:17:54,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:54 BoogieIcfgContainer [2023-11-19 03:17:54,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:54,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:54,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:54,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:54,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:54" (1/1) ... [2023-11-19 03:17:54,586 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:17:54,591 INFO L158 Benchmark]: Toolchain (without parser) took 2104.71ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 100.9MB in the beginning and 120.8MB in the end (delta: -19.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-19 03:17:54,592 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:17:54,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.97ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 80.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:17:54,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.66ms. Allocated memory is still 146.8MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:17:54,596 INFO L158 Benchmark]: Boogie Preprocessor took 64.90ms. Allocated memory is still 146.8MB. Free memory was 77.3MB in the beginning and 75.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:17:54,597 INFO L158 Benchmark]: RCFGBuilder took 1269.60ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 75.2MB in the beginning and 121.8MB in the end (delta: -46.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:17:54,599 INFO L158 Benchmark]: CodeCheck took 18.60ms. Allocated memory is still 209.7MB. Free memory was 121.8MB in the beginning and 120.8MB in the end (delta: 965.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:17:54,608 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 0.25ms. Allocated memory is still 146.8MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.97ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 80.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.66ms. Allocated memory is still 146.8MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.90ms. Allocated memory is still 146.8MB. Free memory was 77.3MB in the beginning and 75.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1269.60ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 75.2MB in the beginning and 121.8MB in the end (delta: -46.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 18.60ms. Allocated memory is still 209.7MB. Free memory was 121.8MB in the beginning and 120.8MB in the end (delta: 965.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:17:54,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:57,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:57,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:17:57,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:57,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:57,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:57,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:57,300 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:57,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:17:57,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:57,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:57,303 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:17:57,303 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:17:57,304 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:17:57,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:57,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:17:57,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:17:57,306 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:17:57,306 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:17:57,307 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:57,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:57,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:57,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:57,309 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:57,309 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:17:57,310 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:17:57,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:57,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:57,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:57,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:57,312 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:17:57,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:17:57,313 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:17:57,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:17:57,313 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_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2023-11-19 03:17:57,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:57,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:57,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:57,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:57,684 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:57,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-19 03:18:00,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:01,097 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:01,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-19 03:18:01,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data/93022e807/660c0ae5752d4a11b30d904df110b625/FLAG251a5abe3 [2023-11-19 03:18:01,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/data/93022e807/660c0ae5752d4a11b30d904df110b625 [2023-11-19 03:18:01,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:01,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:01,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:01,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:01,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:01,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e8c721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01, skipping insertion in model container [2023-11-19 03:18:01,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:01,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:01,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:01,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:01,856 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:01,857 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:01,864 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:01,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01 WrapperNode [2023-11-19 03:18:01,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:01,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:01,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:01,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:01,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,954 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 191 [2023-11-19 03:18:01,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:01,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:01,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:01,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:01,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:01,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:02,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:02,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:02,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:02,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:02,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:02,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:02,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:01" (1/1) ... [2023-11-19 03:18:02,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:02,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:02,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:02,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:18:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:18:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:18:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:18:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:18:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:18:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:18:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:18:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:02,121 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:18:02,339 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:02,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:02,942 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:03,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:03,301 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:18:03,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:03 BoogieIcfgContainer [2023-11-19 03:18:03,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:03,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:03,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:03,320 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:03,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:03" (1/1) ... [2023-11-19 03:18:03,322 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:18:03,328 INFO L158 Benchmark]: Toolchain (without parser) took 2175.67ms. Allocated memory was 79.7MB in the beginning and 115.3MB in the end (delta: 35.7MB). Free memory was 54.5MB in the beginning and 42.2MB in the end (delta: 12.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-19 03:18:03,329 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 79.7MB. Free memory was 55.8MB in the beginning and 55.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:03,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.89ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 52.3MB in the end (delta: 2.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-19 03:18:03,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.56ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:03,333 INFO L158 Benchmark]: Boogie Preprocessor took 69.64ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 47.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:18:03,334 INFO L158 Benchmark]: RCFGBuilder took 1283.69ms. Allocated memory was 79.7MB in the beginning and 115.3MB in the end (delta: 35.7MB). Free memory was 47.2MB in the beginning and 43.4MB in the end (delta: 3.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 03:18:03,335 INFO L158 Benchmark]: CodeCheck took 15.97ms. Allocated memory is still 115.3MB. Free memory was 43.4MB in the beginning and 42.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:03,345 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 0.40ms. Allocated memory is still 79.7MB. Free memory was 55.8MB in the beginning and 55.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.89ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 52.3MB in the end (delta: 2.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.56ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.64ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 47.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1283.69ms. Allocated memory was 79.7MB in the beginning and 115.3MB in the end (delta: 35.7MB). Free memory was 47.2MB in the beginning and 43.4MB in the end (delta: 3.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * CodeCheck took 15.97ms. Allocated memory is still 115.3MB. Free memory was 43.4MB in the beginning and 42.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:18:03,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8bd812-1748-4430-931d-ee34056eb6d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported