./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.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_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/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_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/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_a88cefd9-f89c-4a6f-9e89-846016d42637/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:01:38,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:01:38,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 04:01:38,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:01:38,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:01:38,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:01:38,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:01:38,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:01:38,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:01:38,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:01:38,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:01:38,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:01:38,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:01:38,739 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:01:38,739 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:01:38,740 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 04:01:38,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:01:38,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:01:38,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:01:38,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:01:38,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:01:38,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:01:38,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:01:38,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:01:38,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:38,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:01:38,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:01:38,746 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:01:38,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:01:38,746 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_a88cefd9-f89c-4a6f-9e89-846016d42637/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-12-03 04:01:38,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:01:38,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:01:38,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:01:38,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:01:38,974 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:01:38,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 04:01:41,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:01:41,892 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:01:41,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 04:01:41,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data/2a22eccb3/e57454df1a7d4897823f1d003161d9e1/FLAGf5bb03bf1 [2023-12-03 04:01:41,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data/2a22eccb3/e57454df1a7d4897823f1d003161d9e1 [2023-12-03 04:01:41,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:01:41,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:01:41,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:01:41,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:01:41,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:01:41,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:41" (1/1) ... [2023-12-03 04:01:41,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345327e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:41, skipping insertion in model container [2023-12-03 04:01:41,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:41" (1/1) ... [2023-12-03 04:01:41,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:01:42,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:42,133 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:01:42,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:42,188 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:42,188 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:42,194 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:01:42,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42 WrapperNode [2023-12-03 04:01:42,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:01:42,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:01:42,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:01:42,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:01:42,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,237 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 259 [2023-12-03 04:01:42,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:01:42,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:01:42,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:01:42,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:01:42,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:01:42,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:01:42,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:01:42,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:01:42,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:42,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:01:42,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:01:42,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:01:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:01:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:01:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:01:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:01:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:01:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:01:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:01:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:01:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 04:01:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 04:01:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:01:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:01:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:01:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:01:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:01:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:01:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:01:42,345 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 04:01:42,449 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:01:42,450 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:01:42,840 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:01:42,972 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:01:42,972 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-03 04:01:42,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:42 BoogieIcfgContainer [2023-12-03 04:01:42,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:01:42,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:01:42,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:01:42,985 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:01:42,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:42" (1/1) ... [2023-12-03 04:01:42,986 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 04:01:42,990 INFO L158 Benchmark]: Toolchain (without parser) took 1074.14ms. Allocated memory is still 125.8MB. Free memory was 70.6MB in the beginning and 91.4MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:42,991 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:42,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.37ms. Allocated memory is still 125.8MB. Free memory was 70.4MB in the beginning and 97.5MB in the end (delta: -27.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-12-03 04:01:42,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.45ms. Allocated memory is still 125.8MB. Free memory was 97.5MB in the beginning and 95.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:42,993 INFO L158 Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 125.8MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:42,994 INFO L158 Benchmark]: RCFGBuilder took 698.65ms. Allocated memory is still 125.8MB. Free memory was 93.0MB in the beginning and 92.6MB in the end (delta: 402.9kB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-12-03 04:01:42,995 INFO L158 Benchmark]: CodeCheck took 13.29ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 91.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:42,999 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 0.30ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.37ms. Allocated memory is still 125.8MB. Free memory was 70.4MB in the beginning and 97.5MB in the end (delta: -27.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.45ms. Allocated memory is still 125.8MB. Free memory was 97.5MB in the beginning and 95.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.05ms. Allocated memory is still 125.8MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.65ms. Allocated memory is still 125.8MB. Free memory was 93.0MB in the beginning and 92.6MB in the end (delta: 402.9kB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * CodeCheck took 13.29ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 91.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:01:43,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/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_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/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_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/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_a88cefd9-f89c-4a6f-9e89-846016d42637/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:01:44,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:01:45,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 04:01:45,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:01:45,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:01:45,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:01:45,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:01:45,043 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:01:45,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:01:45,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:01:45,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:01:45,045 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:01:45,045 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:01:45,046 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 04:01:45,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:01:45,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:01:45,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:01:45,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:01:45,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:01:45,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:01:45,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:01:45,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:01:45,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:01:45,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:01:45,051 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:45,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:01:45,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:01:45,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:45,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:01:45,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:01:45,054 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:01:45,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:45,054 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:01:45,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:01:45,055 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_a88cefd9-f89c-4a6f-9e89-846016d42637/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-12-03 04:01:45,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:01:45,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:01:45,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:01:45,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:01:45,398 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:01:45,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 04:01:48,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:01:48,336 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:01:48,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-12-03 04:01:48,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data/05631d835/9e9411140f534a0d926cc164c5aa737c/FLAG968336d75 [2023-12-03 04:01:48,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/data/05631d835/9e9411140f534a0d926cc164c5aa737c [2023-12-03 04:01:48,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:01:48,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:01:48,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:01:48,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:01:48,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:01:48,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:48,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a84c7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48, skipping insertion in model container [2023-12-03 04:01:48,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:48,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:01:48,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:48,905 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:01:48,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:01:48,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:48,940 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:01:48,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:48,981 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:48,981 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:48,987 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:01:48,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48 WrapperNode [2023-12-03 04:01:48,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:01:48,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:01:48,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:01:48,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:01:48,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,040 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 252 [2023-12-03 04:01:49,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:01:49,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:01:49,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:01:49,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:01:49,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:01:49,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:01:49,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:01:49,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:01:49,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:48" (1/1) ... [2023-12-03 04:01:49,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:49,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:01:49,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:01:49,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:01:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:01:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:01:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:01:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:01:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:01:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:01:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:01:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:01:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 04:01:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 04:01:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:01:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:01:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:01:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:01:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:01:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:01:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:01:49,163 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 04:01:49,287 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:01:49,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:01:49,911 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:01:50,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:01:50,087 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-03 04:01:50,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:50 BoogieIcfgContainer [2023-12-03 04:01:50,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:01:50,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:01:50,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:01:50,100 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:01:50,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:50" (1/1) ... [2023-12-03 04:01:50,101 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 04:01:50,105 INFO L158 Benchmark]: Toolchain (without parser) took 1413.50ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 68.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-12-03 04:01:50,105 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:50,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.01ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 60.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:01:50,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.26ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 57.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:50,107 INFO L158 Benchmark]: Boogie Preprocessor took 44.81ms. Allocated memory is still 98.6MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:50,108 INFO L158 Benchmark]: RCFGBuilder took 1002.03ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 68.9MB in the end (delta: -13.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-03 04:01:50,109 INFO L158 Benchmark]: CodeCheck took 13.57ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 68.2MB in the end (delta: 722.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:50,112 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 0.35ms. Allocated memory is still 58.7MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.01ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 60.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.26ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 57.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.81ms. Allocated memory is still 98.6MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.03ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 68.9MB in the end (delta: -13.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * CodeCheck took 13.57ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 68.2MB in the end (delta: 722.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:01:50,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cefd9-f89c-4a6f-9e89-846016d42637/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