./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2 --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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:16,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:16,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:16,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:16,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:16,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:16,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:16,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:16,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:16,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:16,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:16,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:16,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:16,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:16,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:16,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:16,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:16,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:16,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:16,224 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:16,225 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:16,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:16,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:16,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:16,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:16,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:16,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:16,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:16,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:16,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:16,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:16,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:16,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:16,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:16,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:16,234 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_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2023-11-21 18:41:16,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:16,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:16,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:16,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:16,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:16,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_ok.i [2023-11-21 18:41:19,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:20,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:20,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/sv-benchmarks/c/pthread/queue_ok.i [2023-11-21 18:41:20,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data/021a13170/1c2095c4b19b4ddbb5fc752f2ca22a12/FLAG0ff8bca65 [2023-11-21 18:41:20,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data/021a13170/1c2095c4b19b4ddbb5fc752f2ca22a12 [2023-11-21 18:41:20,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:20,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:20,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:20,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:20,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:20,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fce06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20, skipping insertion in model container [2023-11-21 18:41:20,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:21,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:21,037 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:21,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:21,188 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:21,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21 WrapperNode [2023-11-21 18:41:21,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:21,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:21,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:21,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:21,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,255 INFO L138 Inliner]: procedures = 275, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2023-11-21 18:41:21,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:21,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:21,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:21,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:21,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:21,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:21,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:21,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:21,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:21,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:21,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:21,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:41:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:41:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:41:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:41:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:41:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:41:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:41:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:21,401 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:41:21,581 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:21,584 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:22,033 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:22,077 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:22,078 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:22,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:22 BoogieIcfgContainer [2023-11-21 18:41:22,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:22,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:22,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:22,093 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:22,094 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,095 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) [2023-11-21 18:41:22,105 INFO L158 Benchmark]: Toolchain (without parser) took 1820.20ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 75.5MB in the beginning and 93.0MB in the end (delta: -17.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-21 18:41:22,105 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:22,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.00ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 75.3MB in the beginning and 122.5MB in the end (delta: -47.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-21 18:41:22,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.99ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 119.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:22,109 INFO L158 Benchmark]: Boogie Preprocessor took 52.37ms. Allocated memory is still 174.1MB. Free memory was 119.2MB in the beginning and 117.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:22,111 INFO L158 Benchmark]: RCFGBuilder took 765.36ms. Allocated memory is still 174.1MB. Free memory was 117.0MB in the beginning and 94.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:22,112 INFO L158 Benchmark]: CodeCheck took 21.84ms. Allocated memory is still 174.1MB. Free memory was 94.0MB in the beginning and 93.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:22,118 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 138.4MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.00ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 75.3MB in the beginning and 122.5MB in the end (delta: -47.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.99ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 119.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.37ms. Allocated memory is still 174.1MB. Free memory was 119.2MB in the beginning and 117.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.36ms. Allocated memory is still 174.1MB. Free memory was 117.0MB in the beginning and 94.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 21.84ms. Allocated memory is still 174.1MB. Free memory was 94.0MB in the beginning and 93.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:22,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2 --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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:24,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:25,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:41:25,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:25,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:25,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:25,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:25,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:25,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:25,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:25,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:25,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:25,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:25,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:25,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:25,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:25,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:41:25,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:41:25,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:25,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:41:25,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:25,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:25,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:25,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:25,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:25,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:25,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:25,126 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:25,126 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:25,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:25,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:25,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:25,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:25,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:25,130 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:41:25,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:25,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:25,131 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:41:25,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:25,133 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_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2023-11-21 18:41:25,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:25,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:25,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:25,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:25,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:25,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_ok.i [2023-11-21 18:41:28,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:29,336 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:29,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/sv-benchmarks/c/pthread/queue_ok.i [2023-11-21 18:41:29,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data/6a5b00bfe/13c5a615ff914ce0999e718fbb2860dd/FLAG3f23f3b4c [2023-11-21 18:41:29,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/data/6a5b00bfe/13c5a615ff914ce0999e718fbb2860dd [2023-11-21 18:41:29,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:29,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:29,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:29,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:29,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:29,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:29" (1/1) ... [2023-11-21 18:41:29,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5193773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:29, skipping insertion in model container [2023-11-21 18:41:29,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:29" (1/1) ... [2023-11-21 18:41:29,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:30,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:30,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:30,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:30,288 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:30,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30 WrapperNode [2023-11-21 18:41:30,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:30,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:30,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:30,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:30,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,400 INFO L138 Inliner]: procedures = 279, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 190 [2023-11-21 18:41:30,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:30,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:30,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:30,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:30,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:30,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:30,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:30,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:30,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:30,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:30,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:30,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:41:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:41:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:41:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:41:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:41:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:41:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:41:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:41:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:41:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:41:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:41:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:41:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:41:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:41:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:30,618 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:41:30,832 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:30,846 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:31,344 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:31,376 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:31,380 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:31,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:31 BoogieIcfgContainer [2023-11-21 18:41:31,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:31,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:31,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:31,396 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:31,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,397 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) [2023-11-21 18:41:31,402 INFO L158 Benchmark]: Toolchain (without parser) took 2009.80ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 55.0MB in the beginning and 65.0MB in the end (delta: -10.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,403 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:31,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 895.97ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 49.5MB in the end (delta: 5.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.08ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 46.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,405 INFO L158 Benchmark]: Boogie Preprocessor took 104.61ms. Allocated memory is still 79.7MB. Free memory was 46.4MB in the beginning and 43.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,406 INFO L158 Benchmark]: RCFGBuilder took 876.37ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 65.8MB in the end (delta: -21.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,406 INFO L158 Benchmark]: CodeCheck took 15.67ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 65.0MB in the end (delta: 827.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,410 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 0.34ms. Allocated memory is still 79.7MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 895.97ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 49.5MB in the end (delta: 5.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.08ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 46.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.61ms. Allocated memory is still 79.7MB. Free memory was 46.4MB in the beginning and 43.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 876.37ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 65.8MB in the end (delta: -21.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 15.67ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 65.0MB in the end (delta: 827.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:31,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3168bd12-6d26-4fa8-bfda-a0a8775740fd/bin/ukojak-verify-i0I2FZA1j2/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