./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/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_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/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_f26b0097-0799-426d-aea7-321915f6a7ef/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 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:13,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:13,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:01:13,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:13,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:13,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:13,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:13,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:13,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:13,580 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:13,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:13,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:13,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:13,583 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:13,584 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:13,584 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:13,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:13,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:13,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:13,586 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:13,587 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:13,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:13,588 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:13,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:13,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:13,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:13,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:13,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:13,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:13,592 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_f26b0097-0799-426d-aea7-321915f6a7ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2023-11-24 23:01:13,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:13,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:13,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:13,927 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:13,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:13,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-24 23:01:17,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:17,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:17,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-24 23:01:17,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data/32892296a/40e290535e8b4b84b00674d4d57ea5ff/FLAGbf0710b44 [2023-11-24 23:01:17,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data/32892296a/40e290535e8b4b84b00674d4d57ea5ff [2023-11-24 23:01:17,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:17,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:17,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:17,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:17,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:17,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a959129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17, skipping insertion in model container [2023-11-24 23:01:17,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:17,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:17,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:17,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:17,989 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:17,989 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:17,997 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:17,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17 WrapperNode [2023-11-24 23:01:17,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:17,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:17,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:17,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:18,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,082 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 194 [2023-11-24 23:01:18,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:18,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:18,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:18,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:18,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:18,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:18,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:18,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:18,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:18,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:18,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:18,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 23:01:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 23:01:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:01:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:01:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:18,232 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 23:01:18,370 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:18,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:18,896 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:19,295 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:19,295 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:01:19,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:19 BoogieIcfgContainer [2023-11-24 23:01:19,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:19,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:19,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:19,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:19,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:19" (1/1) ... [2023-11-24 23:01:19,310 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 23:01:19,321 INFO L158 Benchmark]: Toolchain (without parser) took 1927.33ms. Allocated memory is still 178.3MB. Free memory was 145.9MB in the beginning and 136.6MB in the end (delta: 9.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,322 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 178.3MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:19,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.01ms. Allocated memory is still 178.3MB. Free memory was 145.9MB in the beginning and 124.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.07ms. Allocated memory is still 178.3MB. Free memory was 124.9MB in the beginning and 122.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,324 INFO L158 Benchmark]: Boogie Preprocessor took 63.17ms. Allocated memory is still 178.3MB. Free memory was 122.1MB in the beginning and 120.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,325 INFO L158 Benchmark]: RCFGBuilder took 1150.32ms. Allocated memory is still 178.3MB. Free memory was 120.1MB in the beginning and 137.6MB in the end (delta: -17.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,326 INFO L158 Benchmark]: CodeCheck took 21.49ms. Allocated memory is still 178.3MB. Free memory was 137.6MB in the beginning and 136.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:19,329 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 178.3MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.01ms. Allocated memory is still 178.3MB. Free memory was 145.9MB in the beginning and 124.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.07ms. Allocated memory is still 178.3MB. Free memory was 124.9MB in the beginning and 122.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.17ms. Allocated memory is still 178.3MB. Free memory was 122.1MB in the beginning and 120.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.32ms. Allocated memory is still 178.3MB. Free memory was 120.1MB in the beginning and 137.6MB in the end (delta: -17.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * CodeCheck took 21.49ms. Allocated memory is still 178.3MB. Free memory was 137.6MB in the beginning and 136.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:01:19,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/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_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/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_f26b0097-0799-426d-aea7-321915f6a7ef/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 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:22,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:22,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:01:22,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:22,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:22,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:22,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:22,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:22,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:22,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:22,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:22,325 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:22,326 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:22,328 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:22,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:22,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:22,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:22,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:22,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:22,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:22,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:22,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:22,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:22,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:22,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:22,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:22,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:22,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:22,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:22,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:22,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:22,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:22,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:22,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:22,340 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_f26b0097-0799-426d-aea7-321915f6a7ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2023-11-24 23:01:22,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:22,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:22,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:22,810 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:22,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:22,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-24 23:01:25,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:26,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:26,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-24 23:01:26,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data/080176529/c7c9fe6855b84bf1b6f368821d62974b/FLAGf5b6651a1 [2023-11-24 23:01:26,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/data/080176529/c7c9fe6855b84bf1b6f368821d62974b [2023-11-24 23:01:26,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:26,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:26,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:26,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:26,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:26,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2b5fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:26, skipping insertion in model container [2023-11-24 23:01:26,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:26" (1/1) ... [2023-11-24 23:01:26,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:26,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:27,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:27,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:27,146 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:27,146 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:27,155 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:27,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27 WrapperNode [2023-11-24 23:01:27,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:27,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:27,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:27,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:27,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,222 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 191 [2023-11-24 23:01:27,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:27,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:27,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:27,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:27,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:27,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:27,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:27,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:27,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:27,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:27,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:27,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:01:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 23:01:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 23:01:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:01:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:01:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:27,371 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 23:01:27,666 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:27,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:28,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:28,830 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:28,830 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:01:28,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:28 BoogieIcfgContainer [2023-11-24 23:01:28,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:28,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:28,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:28,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:28,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,848 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 23:01:28,855 INFO L158 Benchmark]: Toolchain (without parser) took 2426.47ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 29.2MB in the end (delta: 31.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-24 23:01:28,856 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 58.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:28,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.77ms. Allocated memory is still 86.0MB. Free memory was 60.1MB in the beginning and 59.9MB in the end (delta: 152.2kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:28,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.04ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 57.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:28,861 INFO L158 Benchmark]: Boogie Preprocessor took 43.29ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:28,862 INFO L158 Benchmark]: RCFGBuilder took 1567.00ms. Allocated memory is still 86.0MB. Free memory was 55.0MB in the beginning and 29.7MB in the end (delta: 25.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:28,863 INFO L158 Benchmark]: CodeCheck took 17.75ms. Allocated memory is still 86.0MB. Free memory was 29.7MB in the beginning and 29.2MB in the end (delta: 577.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:28,874 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 0.76ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 58.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.77ms. Allocated memory is still 86.0MB. Free memory was 60.1MB in the beginning and 59.9MB in the end (delta: 152.2kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.04ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 57.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.29ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1567.00ms. Allocated memory is still 86.0MB. Free memory was 55.0MB in the beginning and 29.7MB in the end (delta: 25.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 17.75ms. Allocated memory is still 86.0MB. Free memory was 29.7MB in the beginning and 29.2MB in the end (delta: 577.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:01:28,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26b0097-0799-426d-aea7-321915f6a7ef/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