./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/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_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/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_9ac3a368-7861-4e30-8e02-6c099b1f426f/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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:37:36,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:37:36,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 22:37:36,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:37:36,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:37:36,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:37:36,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:37:36,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:37:36,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:37:36,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:37:36,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:37:36,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:37:36,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:37:36,825 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:37:36,825 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:37:36,826 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:37:36,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:37:36,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:37:36,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:37:36,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:37:36,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:37:36,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:37:36,830 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:37:36,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:37:36,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:36,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:37:36,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:37:36,832 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:37:36,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:37:36,833 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_9ac3a368-7861-4e30-8e02-6c099b1f426f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-12-02 22:37:37,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:37:37,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:37:37,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:37:37,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:37:37,063 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:37:37,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-12-02 22:37:39,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:37:40,015 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:37:40,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-12-02 22:37:40,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data/1fad08498/245ff8e2c7c9487ab4ab866d32eae9b3/FLAGa80fd2bff [2023-12-02 22:37:40,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data/1fad08498/245ff8e2c7c9487ab4ab866d32eae9b3 [2023-12-02 22:37:40,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:37:40,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:37:40,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:40,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:37:40,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:37:40,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b84982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40, skipping insertion in model container [2023-12-02 22:37:40,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:37:40,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:40,272 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:37:40,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:40,306 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:40,306 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:40,314 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:37:40,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40 WrapperNode [2023-12-02 22:37:40,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:40,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:40,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:37:40,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:37:40,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,359 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 146 [2023-12-02 22:37:40,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:40,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:37:40,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:37:40,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:37:40,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:37:40,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:37:40,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:37:40,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:37:40,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:37:40,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:37:40,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:37:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:37:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:37:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:37:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:37:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:37:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:37:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:37:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:37:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:37:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:37:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:37:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:37:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:37:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:37:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:37:40,458 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:37:40,551 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:37:40,552 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:37:40,826 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:37:40,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:37:40,973 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 22:37:40,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:40 BoogieIcfgContainer [2023-12-02 22:37:40,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:37:40,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:37:40,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:37:40,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:37:40,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:40" (1/1) ... [2023-12-02 22:37:40,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:37:40,993 INFO L158 Benchmark]: Toolchain (without parser) took 949.94ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 100.5MB in the beginning and 134.3MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:40,994 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:40,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.21ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 88.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:37:40,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.38ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:40,996 INFO L158 Benchmark]: Boogie Preprocessor took 31.52ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 85.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:40,997 INFO L158 Benchmark]: RCFGBuilder took 583.64ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 85.2MB in the beginning and 135.3MB in the end (delta: -50.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-12-02 22:37:40,998 INFO L158 Benchmark]: CodeCheck took 15.02ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 134.3MB in the end (delta: 971.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:41,002 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 0.23ms. Allocated memory is still 98.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.21ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 88.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.38ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.52ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 85.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.64ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 85.2MB in the beginning and 135.3MB in the end (delta: -50.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * CodeCheck took 15.02ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 134.3MB in the end (delta: 971.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:37:41,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/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_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/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_9ac3a368-7861-4e30-8e02-6c099b1f426f/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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:37:43,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:37:43,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 22:37:43,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:37:43,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:37:43,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:37:43,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:37:43,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:37:43,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:37:43,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:37:43,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:37:43,187 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:37:43,188 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:37:43,188 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:37:43,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:37:43,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:37:43,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:37:43,191 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:37:43,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:37:43,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:37:43,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:37:43,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:37:43,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:37:43,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:37:43,194 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:43,195 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:37:43,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:37:43,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:43,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:37:43,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:37:43,197 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:37:43,197 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:43,198 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:37:43,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:37:43,198 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_9ac3a368-7861-4e30-8e02-6c099b1f426f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-12-02 22:37:43,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:37:43,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:37:43,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:37:43,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:37:43,538 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:37:43,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-12-02 22:37:46,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:37:46,520 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:37:46,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-12-02 22:37:46,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data/7264d6b01/70571dd8c3fd4c729e298e634c6014de/FLAG03ad77f5d [2023-12-02 22:37:46,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/data/7264d6b01/70571dd8c3fd4c729e298e634c6014de [2023-12-02 22:37:46,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:37:46,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:37:46,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:46,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:37:46,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:37:46,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30afb678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46, skipping insertion in model container [2023-12-02 22:37:46,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:37:46,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:46,778 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:37:46,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:37:46,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:46,806 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:37:46,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:37:46,843 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:46,843 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:37:46,851 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:37:46,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46 WrapperNode [2023-12-02 22:37:46,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:37:46,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:46,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:37:46,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:37:46,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,930 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 142 [2023-12-02 22:37:46,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:37:46,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:37:46,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:37:46,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:37:46,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:37:46,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:37:46,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:37:46,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:37:46,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:46" (1/1) ... [2023-12-02 22:37:46,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:37:46,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:37:46,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:37:47,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:37:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:37:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:37:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:37:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:37:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:37:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:37:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:37:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:37:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:37:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:37:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:37:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:37:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:37:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:37:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:37:47,039 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:37:47,156 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:37:47,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:37:47,583 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:37:47,727 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:37:47,728 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 22:37:47,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:47 BoogieIcfgContainer [2023-12-02 22:37:47,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:37:47,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:37:47,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:37:47,741 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:37:47,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:47" (1/1) ... [2023-12-02 22:37:47,742 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:37:47,746 INFO L158 Benchmark]: Toolchain (without parser) took 1203.69ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.3MB in the beginning and 67.4MB in the end (delta: -14.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-12-02 22:37:47,747 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:47,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.65ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 56.9MB in the end (delta: -3.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-12-02 22:37:47,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.07ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:37:47,749 INFO L158 Benchmark]: Boogie Preprocessor took 36.72ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 53.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:47,750 INFO L158 Benchmark]: RCFGBuilder took 761.42ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.0MB in the beginning and 68.5MB in the end (delta: -15.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-12-02 22:37:47,750 INFO L158 Benchmark]: CodeCheck took 14.01ms. Allocated memory is still 94.4MB. Free memory was 68.5MB in the beginning and 67.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:37:47,754 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 0.32ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.65ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 56.9MB in the end (delta: -3.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.07ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.72ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 53.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 761.42ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.0MB in the beginning and 68.5MB in the end (delta: -15.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * CodeCheck took 14.01ms. Allocated memory is still 94.4MB. Free memory was 68.5MB in the beginning and 67.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:37:47,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac3a368-7861-4e30-8e02-6c099b1f426f/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