./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/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_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/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_33a7766a-1138-4fcd-969d-132d6471af4a/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 cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:52,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:53,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:08:53,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:53,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:53,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:53,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:53,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:53,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:53,071 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:53,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:53,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:53,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:53,074 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:08:53,074 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:08:53,075 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:08:53,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:53,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:08:53,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:53,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:53,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:53,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:53,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:53,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:53,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:53,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:53,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:53,081 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:53,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:53,082 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_33a7766a-1138-4fcd-969d-132d6471af4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 [2023-11-19 03:08:53,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:53,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:53,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:53,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:53,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:53,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-19 03:08:56,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:57,064 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:57,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-19 03:08:57,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data/c11c94080/c32aa35e997c4049b88cdc3af512640f/FLAG5f8cb82fa [2023-11-19 03:08:57,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data/c11c94080/c32aa35e997c4049b88cdc3af512640f [2023-11-19 03:08:57,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:57,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:57,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:57,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:57,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:57,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2479fc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57, skipping insertion in model container [2023-11-19 03:08:57,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:57,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:57,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:57,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:57,660 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:57,661 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:57,668 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:57,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57 WrapperNode [2023-11-19 03:08:57,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:57,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:57,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:57,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:57,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,721 INFO L138 Inliner]: procedures = 179, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 179 [2023-11-19 03:08:57,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:57,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:57,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:57,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:57,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:57,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:57,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:57,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:57,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:57" (1/1) ... [2023-11-19 03:08:57,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:57,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:57,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:57,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:08:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:08:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:08:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:08:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:08:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:08:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:08:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:08:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:57,850 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 03:08:58,068 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:58,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:58,627 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:58,921 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:58,922 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:08:58,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:58 BoogieIcfgContainer [2023-11-19 03:08:58,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:58,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:58,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:58,942 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:58,942 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:58" (1/1) ... [2023-11-19 03:08:58,943 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 03:08:58,953 INFO L158 Benchmark]: Toolchain (without parser) took 1830.04ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 83.0MB in the beginning and 85.7MB in the end (delta: -2.7MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-19 03:08:58,954 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:58,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.43ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 62.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:08:58,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.93ms. Allocated memory is still 130.0MB. Free memory was 62.8MB in the beginning and 60.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:58,960 INFO L158 Benchmark]: Boogie Preprocessor took 35.34ms. Allocated memory is still 130.0MB. Free memory was 60.2MB in the beginning and 58.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:58,961 INFO L158 Benchmark]: RCFGBuilder took 1170.71ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 58.0MB in the beginning and 87.5MB in the end (delta: -29.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-19 03:08:58,962 INFO L158 Benchmark]: CodeCheck took 21.18ms. Allocated memory is still 167.8MB. Free memory was 87.5MB in the beginning and 85.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:58,972 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 0.38ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.43ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 62.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.93ms. Allocated memory is still 130.0MB. Free memory was 62.8MB in the beginning and 60.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.34ms. Allocated memory is still 130.0MB. Free memory was 60.2MB in the beginning and 58.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.71ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 58.0MB in the beginning and 87.5MB in the end (delta: -29.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * CodeCheck took 21.18ms. Allocated memory is still 167.8MB. Free memory was 87.5MB in the beginning and 85.7MB in the end (delta: 1.8MB). 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 03:08:59,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/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_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/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_33a7766a-1138-4fcd-969d-132d6471af4a/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 cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:01,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:01,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:09:01,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:01,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:01,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:01,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:01,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:01,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:01,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:01,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:01,952 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:09:01,953 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:09:01,953 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:09:01,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:01,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:09:01,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:09:01,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:09:01,963 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:01,964 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:01,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:01,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:01,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:01,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:01,968 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:01,968 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:09:01,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:01,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:01,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:01,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:01,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:09:01,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:01,973 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:09:01,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:09:01,974 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_33a7766a-1138-4fcd-969d-132d6471af4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 [2023-11-19 03:09:02,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:02,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:02,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:02,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:02,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:02,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-19 03:09:05,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:06,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:06,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-19 03:09:06,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data/953484631/93d069de7c5d4043b12127903cfccd22/FLAGd7fa32c26 [2023-11-19 03:09:06,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/data/953484631/93d069de7c5d4043b12127903cfccd22 [2023-11-19 03:09:06,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:06,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:06,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:06,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:06,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:06,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:06,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a70895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06, skipping insertion in model container [2023-11-19 03:09:06,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:06,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:06,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:06,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:06,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:06,911 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:06,912 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:06,920 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:06,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06 WrapperNode [2023-11-19 03:09:06,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:06,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:06,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:06,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:06,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:06,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:06,998 INFO L138 Inliner]: procedures = 183, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 176 [2023-11-19 03:09:06,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:06,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:06,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:06,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:07,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:07,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:07,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:07,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:07,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:06" (1/1) ... [2023-11-19 03:09:07,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:07,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:07,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:09:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:09:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:09:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:09:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:09:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:09:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:09:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:09:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:07,166 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 03:09:07,330 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:07,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:08,054 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:08,467 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:08,467 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:09:08,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:08 BoogieIcfgContainer [2023-11-19 03:09:08,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:08,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:08,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:08,484 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:08,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:08" (1/1) ... [2023-11-19 03:09:08,485 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 03:09:08,490 INFO L158 Benchmark]: Toolchain (without parser) took 2299.67ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 36.9MB in the beginning and 42.5MB in the end (delta: -5.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-19 03:09:08,490 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:08,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.87ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 34.7MB in the end (delta: 2.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:08,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.73ms. Allocated memory is still 71.3MB. Free memory was 34.7MB in the beginning and 31.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:08,495 INFO L158 Benchmark]: Boogie Preprocessor took 64.97ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 31.9MB in the beginning and 72.0MB in the end (delta: -40.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-19 03:09:08,496 INFO L158 Benchmark]: RCFGBuilder took 1407.17ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 43.5MB in the end (delta: 28.5MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-19 03:09:08,497 INFO L158 Benchmark]: CodeCheck took 15.11ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 42.5MB in the end (delta: 998.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:08,508 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 0.53ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.87ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 34.7MB in the end (delta: 2.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.73ms. Allocated memory is still 71.3MB. Free memory was 34.7MB in the beginning and 31.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.97ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 31.9MB in the beginning and 72.0MB in the end (delta: -40.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1407.17ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 43.5MB in the end (delta: 28.5MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * CodeCheck took 15.11ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 42.5MB in the end (delta: 998.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:09:08,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a7766a-1138-4fcd-969d-132d6471af4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported