./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_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/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_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 22:13:13,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:13,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:13:13,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:13:13,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:13:13,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:13,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:13,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:13,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:13,388 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:13,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:13,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:13,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:13,391 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:13:13,392 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:13:13,392 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:13:13,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:13,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:13:13,394 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:13,394 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:13,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:13,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:13,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:13,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:13,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:13,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:13,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:13,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:13:13,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:13:13,409 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_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-24 22:13:13,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:13,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:13,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:13,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:13,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:13,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:13:17,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:17,603 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:17,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:13:17,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data/17ca9fc54/b270af5cbe584e9eafd89313868e8c1f/FLAGdd17a6bf7 [2023-11-24 22:13:17,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data/17ca9fc54/b270af5cbe584e9eafd89313868e8c1f [2023-11-24 22:13:17,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:17,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:17,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:17,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:17,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:17,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:17" (1/1) ... [2023-11-24 22:13:17,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10044a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:17, skipping insertion in model container [2023-11-24 22:13:17,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:17" (1/1) ... [2023-11-24 22:13:17,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:17,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:17,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:18,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:18,037 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:18,037 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:18,046 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:18,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18 WrapperNode [2023-11-24 22:13:18,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:18,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:18,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:18,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:18,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,108 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 146 [2023-11-24 22:13:18,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:18,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:18,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:18,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:18,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:18,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:18,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:18,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:18,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:18,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:18,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:18,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:13:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:13:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:13:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:13:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:13:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:13:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:13:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:13:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:13:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:18,268 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:13:18,392 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:18,395 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:18,846 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:19,155 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:19,155 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:13:19,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:19 BoogieIcfgContainer [2023-11-24 22:13:19,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:19,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:19,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:19,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:19,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:13:19,178 INFO L158 Benchmark]: Toolchain (without parser) took 1521.23ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 88.8MB in the beginning and 145.9MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:19,178 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 134.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:19,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.08ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 76.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:13:19,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.58ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:19,181 INFO L158 Benchmark]: Boogie Preprocessor took 43.10ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:19,182 INFO L158 Benchmark]: RCFGBuilder took 1004.21ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 147.0MB in the end (delta: -73.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-24 22:13:19,183 INFO L158 Benchmark]: CodeCheck took 17.33ms. Allocated memory is still 178.3MB. Free memory was 147.0MB in the beginning and 145.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:19,187 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 0.41ms. Allocated memory is still 134.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.08ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 76.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.58ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.10ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1004.21ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 147.0MB in the end (delta: -73.9MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * CodeCheck took 17.33ms. Allocated memory is still 178.3MB. Free memory was 147.0MB in the beginning and 145.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:13:19,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/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_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 22:13:22,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:22,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:13:22,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:22,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:22,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:22,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:22,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:22,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:22,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:22,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:22,824 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:13:22,825 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:13:22,827 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:13:22,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:22,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:13:22,829 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:13:22,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:13:22,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:13:22,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:22,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:22,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:22,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:22,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:22,835 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:22,836 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:22,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:22,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:22,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:22,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:22,841 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:13:22,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:22,842 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:13:22,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:22,843 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_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-24 22:13:23,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:23,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:23,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:23,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:23,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:23,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:13:26,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:27,086 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:27,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:13:27,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data/d208c0b6a/7949b85b61a64dca8275595cc381f864/FLAG06db74041 [2023-11-24 22:13:27,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/data/d208c0b6a/7949b85b61a64dca8275595cc381f864 [2023-11-24 22:13:27,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:27,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:27,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:27,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:27,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:27,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e92e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27, skipping insertion in model container [2023-11-24 22:13:27,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:27,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:27,443 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:13:27,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:27,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:27,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:27,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:27,580 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:27,580 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:27,589 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:27,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27 WrapperNode [2023-11-24 22:13:27,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:27,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:27,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:27,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:27,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,688 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 142 [2023-11-24 22:13:27,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:27,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:27,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:27,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:27,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:27,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:27,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:27,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:27,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:27,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:27,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:13:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:13:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:13:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:13:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:13:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:13:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:13:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:13:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:13:27,869 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:13:28,071 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:28,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:28,686 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:28,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:28,973 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:13:28,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:28 BoogieIcfgContainer [2023-11-24 22:13:28,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:28,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:28,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:28,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:28,989 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,990 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:13:28,997 INFO L158 Benchmark]: Toolchain (without parser) took 1881.58ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-24 22:13:28,998 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:28,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.70ms. Allocated memory is still 104.9MB. Free memory was 80.6MB in the beginning and 67.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:13:29,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.76ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:29,002 INFO L158 Benchmark]: Boogie Preprocessor took 83.08ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 63.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:29,003 INFO L158 Benchmark]: RCFGBuilder took 1200.49ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 77.3MB in the end (delta: -14.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:29,004 INFO L158 Benchmark]: CodeCheck took 18.88ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 76.7MB in the end (delta: 597.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:29,015 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 0.66ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.70ms. Allocated memory is still 104.9MB. Free memory was 80.6MB in the beginning and 67.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.76ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.08ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 63.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1200.49ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 77.3MB in the end (delta: -14.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * CodeCheck took 18.88ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 76.7MB in the end (delta: 597.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:13:29,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4374e83a-58e8-44f5-856c-cbf56c2189e5/bin/ukojak-verify-afCqCEvfdi/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