./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV --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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:38,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:38,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:50:38,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:38,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:38,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:38,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:38,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:38,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:38,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:38,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:38,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:38,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:38,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:38,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:38,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:38,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:38,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:38,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:38,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:38,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:38,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:38,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:38,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:38,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:38,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:38,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:38,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:38,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:38,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:38,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:38,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:38,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:38,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:38,477 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_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2023-11-11 23:50:38,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:38,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:38,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:38,736 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:38,737 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:38,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-11 23:50:41,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:42,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:42,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-11 23:50:42,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data/0133567a5/5f2ce4922b774bc0be6a23a1cc26cbcd/FLAG941c203a5 [2023-11-11 23:50:42,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data/0133567a5/5f2ce4922b774bc0be6a23a1cc26cbcd [2023-11-11 23:50:42,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:42,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:42,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:42,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:42,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:42,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:42" (1/1) ... [2023-11-11 23:50:42,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce77e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:42, skipping insertion in model container [2023-11-11 23:50:42,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:42" (1/1) ... [2023-11-11 23:50:42,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:42,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:42,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:43,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:43,083 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:43,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43 WrapperNode [2023-11-11 23:50:43,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:43,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:43,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:43,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:43,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,169 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-11 23:50:43,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:43,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:43,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:43,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:43,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:43,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:43,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:43,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:43,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:43,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:43,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:43,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:50:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:50:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:50:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:50:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:50:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:50:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:50:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:50:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:50:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:43,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:43,314 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:50:43,497 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:43,500 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:43,833 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:43,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:43,849 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:50:43,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:43 BoogieIcfgContainer [2023-11-11 23:50:43,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:43,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:43,855 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:43,870 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:43,871 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:43" (1/1) ... [2023-11-11 23:50:43,872 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) [2023-11-11 23:50:43,893 INFO L158 Benchmark]: Toolchain (without parser) took 1575.67ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 140.1MB in the end (delta: -15.6MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:43,893 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 134.2MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:43,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.68ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 95.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:43,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.27ms. Allocated memory is still 174.1MB. Free memory was 95.1MB in the beginning and 92.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:43,896 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 174.1MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:43,897 INFO L158 Benchmark]: RCFGBuilder took 636.54ms. Allocated memory is still 174.1MB. Free memory was 90.1MB in the beginning and 71.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:43,898 INFO L158 Benchmark]: CodeCheck took 37.05ms. Allocated memory is still 174.1MB. Free memory was 71.2MB in the beginning and 140.1MB in the end (delta: -68.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:43,911 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 0.50ms. Allocated memory is still 134.2MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.68ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 95.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.27ms. Allocated memory is still 174.1MB. Free memory was 95.1MB in the beginning and 92.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 174.1MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.54ms. Allocated memory is still 174.1MB. Free memory was 90.1MB in the beginning and 71.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 37.05ms. Allocated memory is still 174.1MB. Free memory was 71.2MB in the beginning and 140.1MB in the end (delta: -68.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:50:43,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV --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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:46,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:46,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:50:46,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:46,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:46,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:46,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:46,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:46,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:46,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:46,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:46,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:46,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:46,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:46,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:46,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:46,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:50:46,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:50:46,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:46,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:50:46,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:46,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:46,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:46,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:46,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:46,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:46,837 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:50:46,837 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:46,838 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:46,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:46,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:46,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:46,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:46,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:46,841 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:50:46,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:46,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:46,842 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:50:46,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:46,843 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2023-11-11 23:50:47,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:47,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:47,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:47,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:47,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:47,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-11 23:50:50,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:50,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:50,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-11 23:50:50,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data/0d85474a5/8bf3f871c9c84008948427d2a4375fde/FLAG1f0cc16e1 [2023-11-11 23:50:50,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/data/0d85474a5/8bf3f871c9c84008948427d2a4375fde [2023-11-11 23:50:50,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:50,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:50,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:50,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:50,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:50,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:50" (1/1) ... [2023-11-11 23:50:50,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccc4675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:50, skipping insertion in model container [2023-11-11 23:50:50,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:50" (1/1) ... [2023-11-11 23:50:51,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:51,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:51,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:51,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:52,013 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:52,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52 WrapperNode [2023-11-11 23:50:52,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:52,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:52,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:52,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:52,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,080 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-11 23:50:52,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:52,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:52,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:52,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:52,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:52,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:52,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:52,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:52,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:52,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:52,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:50:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:50:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:50:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:50:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:50:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:50:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:50:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:50:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:50:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:52,225 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:50:52,407 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:52,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:52,803 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:52,813 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:52,813 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:50:52,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:52 BoogieIcfgContainer [2023-11-11 23:50:52,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:52,817 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:52,817 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:52,828 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:52,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:52" (1/1) ... [2023-11-11 23:50:52,829 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) [2023-11-11 23:50:52,833 INFO L158 Benchmark]: Toolchain (without parser) took 1849.56ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 59.3MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:50:52,834 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:52,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1028.92ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 62.5MB in the end (delta: 9.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-11 23:50:52,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.24ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 59.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:52,836 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 98.6MB. Free memory was 59.7MB in the beginning and 57.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:52,836 INFO L158 Benchmark]: RCFGBuilder took 686.65ms. Allocated memory is still 98.6MB. Free memory was 57.4MB in the beginning and 60.3MB in the end (delta: -2.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-11 23:50:52,837 INFO L158 Benchmark]: CodeCheck took 14.59ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 59.3MB in the end (delta: 955.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:52,840 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 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1028.92ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 62.5MB in the end (delta: 9.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.24ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 59.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 98.6MB. Free memory was 59.7MB in the beginning and 57.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 686.65ms. Allocated memory is still 98.6MB. Free memory was 57.4MB in the beginning and 60.3MB in the end (delta: -2.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * CodeCheck took 14.59ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 59.3MB in the end (delta: 955.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:50:52,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d09505-2cb0-48f4-9a02-f62ccf3203dc/bin/ukojak-verify-0OAaufAVZV/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