./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:16:16,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:16:16,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 03:16:16,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:16:16,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:16:16,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:16:16,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:16:16,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:16:16,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:16:16,286 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:16:16,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:16:16,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:16:16,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:16:16,288 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:16:16,289 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:16:16,289 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:16:16,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:16:16,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:16:16,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:16:16,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:16:16,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:16:16,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:16:16,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:16:16,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:16:16,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:16:16,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:16:16,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:16:16,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:16:16,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:16:16,296 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_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea [2023-12-03 03:16:16,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:16:16,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:16:16,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:16:16,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:16:16,549 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:16:16,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-03 03:16:19,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:16:19,427 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:16:19,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-03 03:16:19,435 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data/429c84879/ce65017858504544a9eeaf20a899592a/FLAGb39796dd1 [2023-12-03 03:16:19,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data/429c84879/ce65017858504544a9eeaf20a899592a [2023-12-03 03:16:19,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:16:19,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:16:19,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:16:19,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:16:19,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:16:19,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638e5099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19, skipping insertion in model container [2023-12-03 03:16:19,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:16:19,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:16:19,675 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:16:19,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:16:19,704 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:16:19,704 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:16:19,712 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:16:19,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19 WrapperNode [2023-12-03 03:16:19,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:16:19,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:16:19,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:16:19,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:16:19,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,749 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-12-03 03:16:19,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:16:19,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:16:19,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:16:19,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:16:19,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:16:19,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:16:19,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:16:19,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:16:19,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:19" (1/1) ... [2023-12-03 03:16:19,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:16:19,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:16:19,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:16:19,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:16:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:16:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 03:16:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 03:16:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 03:16:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 03:16:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:16:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:16:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:16:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:16:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:16:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:16:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:16:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:16:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:16:19,846 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:16:19,950 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:16:19,953 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:16:20,141 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:16:20,185 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:16:20,185 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:16:20,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:16:20 BoogieIcfgContainer [2023-12-03 03:16:20,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:16:20,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:16:20,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:16:20,199 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:16:20,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:16:20" (1/1) ... [2023-12-03 03:16:20,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:16:20,205 INFO L158 Benchmark]: Toolchain (without parser) took 749.74ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 111.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 03:16:20,205 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:16:20,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.78ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 131.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:16:20,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.71ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 130.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:16:20,208 INFO L158 Benchmark]: Boogie Preprocessor took 27.16ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 128.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:16:20,209 INFO L158 Benchmark]: RCFGBuilder took 409.24ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 112.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:16:20,209 INFO L158 Benchmark]: CodeCheck took 14.75ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 111.2MB in the end (delta: 718.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:16:20,213 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 0.19ms. Allocated memory is still 134.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.78ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 131.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.71ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 130.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.16ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 128.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.24ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 112.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.75ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 111.2MB in the end (delta: 718.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:16:20,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:16:22,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:16:22,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 03:16:22,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:16:22,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:16:22,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:16:22,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:16:22,258 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:16:22,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:16:22,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:16:22,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:16:22,260 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:16:22,261 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:16:22,261 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:16:22,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:16:22,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:16:22,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:16:22,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:16:22,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:16:22,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:16:22,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:16:22,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:16:22,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:16:22,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:16:22,267 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:22,268 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:16:22,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:16:22,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:16:22,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:16:22,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:16:22,270 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:16:22,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:22,271 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:16:22,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:16:22,272 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_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea [2023-12-03 03:16:22,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:16:22,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:16:22,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:16:22,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:16:22,570 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:16:22,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-03 03:16:25,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:16:25,532 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:16:25,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-03 03:16:25,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data/c12375c27/ca02749542e74c0eb64ac05373a1c8f8/FLAG363c90a47 [2023-12-03 03:16:25,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/data/c12375c27/ca02749542e74c0eb64ac05373a1c8f8 [2023-12-03 03:16:25,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:16:25,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:16:25,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:16:25,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:16:25,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:16:25,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425c882a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25, skipping insertion in model container [2023-12-03 03:16:25,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:16:25,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:16:25,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:16:25,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:16:25,808 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:16:25,808 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:16:25,814 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:16:25,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25 WrapperNode [2023-12-03 03:16:25,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:16:25,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:16:25,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:16:25,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:16:25,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,846 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-12-03 03:16:25,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:16:25,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:16:25,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:16:25,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:16:25,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:16:25,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:16:25,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:16:25,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:16:25,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:16:25" (1/1) ... [2023-12-03 03:16:25,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:16:25,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:16:25,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:16:25,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:16:25,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:16:25,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 03:16:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 03:16:25,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 03:16:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 03:16:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:16:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:16:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:16:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:16:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:16:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:16:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:16:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:16:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:16:25,941 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:16:26,042 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:16:26,044 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:16:26,292 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:16:26,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:16:26,341 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:16:26,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:16:26 BoogieIcfgContainer [2023-12-03 03:16:26,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:16:26,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:16:26,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:16:26,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:16:26,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:16:26" (1/1) ... [2023-12-03 03:16:26,354 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:16:26,359 INFO L158 Benchmark]: Toolchain (without parser) took 796.66ms. Allocated memory is still 104.9MB. Free memory was 81.6MB in the beginning and 76.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-12-03 03:16:26,359 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:16:26,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.92ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 70.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:16:26,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.03ms. Allocated memory is still 104.9MB. Free memory was 70.1MB in the beginning and 68.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:16:26,361 INFO L158 Benchmark]: Boogie Preprocessor took 31.35ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 66.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:16:26,362 INFO L158 Benchmark]: RCFGBuilder took 463.88ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 77.4MB in the end (delta: -10.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-12-03 03:16:26,362 INFO L158 Benchmark]: CodeCheck took 13.31ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 76.0MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:16:26,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.92ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 70.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.03ms. Allocated memory is still 104.9MB. Free memory was 70.1MB in the beginning and 68.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.35ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 66.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.88ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 77.4MB in the end (delta: -10.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 13.31ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 76.0MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:16:26,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412f85b6-eb7d-4990-98dc-23cd68667397/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported