./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:21,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:21,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:21,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:21,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:21,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:21,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:21,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:21,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:21,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:21,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:21,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:21,317 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:21,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:21,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:21,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:21,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:21,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:21,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:21,327 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:21,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:21,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:21,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:21,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:21,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:21,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:21,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:21,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:21,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:21,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:21,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:21,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:21,336 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:21,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:21,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:21,336 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_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2023-11-23 20:17:21,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:21,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:21,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:21,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:21,698 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:21,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue_longer.i [2023-11-23 20:17:25,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:25,477 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:25,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/sv-benchmarks/c/pthread/queue_longer.i [2023-11-23 20:17:25,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data/456a597a0/133a843de5f34f6494becf31e09c03cd/FLAGccc205134 [2023-11-23 20:17:25,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data/456a597a0/133a843de5f34f6494becf31e09c03cd [2023-11-23 20:17:25,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:25,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:25,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:25,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:25,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:25,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:25" (1/1) ... [2023-11-23 20:17:25,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c98902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:25, skipping insertion in model container [2023-11-23 20:17:25,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:25" (1/1) ... [2023-11-23 20:17:25,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:26,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:26,230 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:26,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:26,373 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:26,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26 WrapperNode [2023-11-23 20:17:26,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:26,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:26,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:26,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:26,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,441 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-23 20:17:26,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:26,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:26,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:26,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:26,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:26,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:26,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:26,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:26,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:26,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:26,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:17:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:17:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:17:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:17:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:17:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:17:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:17:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:17:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-23 20:17:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-23 20:17:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:17:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:17:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:17:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:17:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:26,615 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:17:26,897 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:26,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:27,346 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:27,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:27,410 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:27,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:27 BoogieIcfgContainer [2023-11-23 20:17:27,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:27,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:27,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:27,424 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:27,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:27" (1/1) ... [2023-11-23 20:17:27,425 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) [2023-11-23 20:17:27,430 INFO L158 Benchmark]: Toolchain (without parser) took 1905.89ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 89.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,430 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:27,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.29ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 75.4MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.25ms. Allocated memory is still 136.3MB. Free memory was 75.4MB in the beginning and 72.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,432 INFO L158 Benchmark]: Boogie Preprocessor took 53.33ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,433 INFO L158 Benchmark]: RCFGBuilder took 915.08ms. Allocated memory is still 136.3MB. Free memory was 70.5MB in the beginning and 90.2MB in the end (delta: -19.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,434 INFO L158 Benchmark]: CodeCheck took 15.47ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 89.3MB in the end (delta: 941.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:27,437 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 0.28ms. Allocated memory is still 109.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.29ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 75.4MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.25ms. Allocated memory is still 136.3MB. Free memory was 75.4MB in the beginning and 72.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.33ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 915.08ms. Allocated memory is still 136.3MB. Free memory was 70.5MB in the beginning and 90.2MB in the end (delta: -19.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15.47ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 89.3MB in the end (delta: 941.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:27,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/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_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:30,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:30,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:17:30,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:30,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:30,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:30,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:30,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:30,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:30,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:30,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:30,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:30,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:30,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:30,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:30,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:30,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:17:30,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:17:30,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:30,380 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:17:30,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:30,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:30,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:30,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:30,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:30,383 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:30,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:30,384 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:30,384 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:30,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:30,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:30,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:30,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:30,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:30,387 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:17:30,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:30,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:30,388 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:17:30,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:30,388 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_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2023-11-23 20:17:30,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:30,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:30,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:30,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:30,872 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:30,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue_longer.i [2023-11-23 20:17:34,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:34,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:34,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/sv-benchmarks/c/pthread/queue_longer.i [2023-11-23 20:17:34,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data/2e364313b/dfdc138314a6489ca0248700cc8c6ee2/FLAGbd7f5e0e1 [2023-11-23 20:17:34,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/data/2e364313b/dfdc138314a6489ca0248700cc8c6ee2 [2023-11-23 20:17:34,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:34,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:34,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:34,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:34,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:34,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c11399d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34, skipping insertion in model container [2023-11-23 20:17:34,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:35,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:35,454 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:35,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:35,665 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:35,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35 WrapperNode [2023-11-23 20:17:35,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:35,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:35,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:35,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:35,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,736 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-23 20:17:35,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:35,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:35,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:35,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:35,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:35,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:35,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:35,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:35,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:35" (1/1) ... [2023-11-23 20:17:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:35,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:35,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:35,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:17:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:17:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:17:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:17:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:17:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:17:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:17:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:17:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:17:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:17:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:17:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:17:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-23 20:17:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-23 20:17:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:17:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:17:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:35,898 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:17:36,068 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:36,069 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:36,506 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:36,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:36,573 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:36,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:36 BoogieIcfgContainer [2023-11-23 20:17:36,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:36,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:36,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:36,588 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:36,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:36" (1/1) ... [2023-11-23 20:17:36,590 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) [2023-11-23 20:17:36,597 INFO L158 Benchmark]: Toolchain (without parser) took 1848.24ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 51.6MB in the end (delta: -2.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:36,598 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:36,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.45ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.3MB in the beginning and 57.4MB in the end (delta: -8.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-23 20:17:36,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.19ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 54.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:36,602 INFO L158 Benchmark]: Boogie Preprocessor took 66.63ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 51.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:36,603 INFO L158 Benchmark]: RCFGBuilder took 772.03ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 52.7MB in the end (delta: -933.1kB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:36,603 INFO L158 Benchmark]: CodeCheck took 18.01ms. Allocated memory is still 94.4MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:36,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 915.45ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.3MB in the beginning and 57.4MB in the end (delta: -8.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.19ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 54.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.63ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 51.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 772.03ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 52.7MB in the end (delta: -933.1kB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * CodeCheck took 18.01ms. Allocated memory is still 94.4MB. Free memory was 52.7MB in the beginning and 51.6MB 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. [2023-11-23 20:17:36,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345546bc-d305-47ba-b193-a0c91e666232/bin/ukojak-verify-1t5iHCbJaC/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported