./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:35,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:35,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:35,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:35,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:35,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:35,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:35,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:35,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:35,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:35,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:35,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:35,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:35,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:35,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:35,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:35,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:35,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:35,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:35,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:35,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:35,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:35,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:35,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:35,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:35,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:35,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:35,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:35,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:35,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:35,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:35,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:35,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:35,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:35,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:35,466 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_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-23 20:17:35,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:35,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:35,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:35,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:35,771 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:35,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-23 20:17:39,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:39,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:39,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/sv-benchmarks/c/pthread/stack-2.i [2023-11-23 20:17:39,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data/4f0fa207c/bf6d10634e1c4ce9b2d90677a9be90bf/FLAGd7e79110d [2023-11-23 20:17:39,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data/4f0fa207c/bf6d10634e1c4ce9b2d90677a9be90bf [2023-11-23 20:17:39,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:39,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:39,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:39,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:39,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:39,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:39" (1/1) ... [2023-11-23 20:17:39,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6360e288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:39, skipping insertion in model container [2023-11-23 20:17:39,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:39" (1/1) ... [2023-11-23 20:17:39,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:40,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:40,025 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:40,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:40,169 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:40,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40 WrapperNode [2023-11-23 20:17:40,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:40,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:40,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:40,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:40,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,241 INFO L138 Inliner]: procedures = 278, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-23 20:17:40,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:40,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:40,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:40,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:40,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:40,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:40,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:40,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:40,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:40" (1/1) ... [2023-11-23 20:17:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:40,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:40,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:40,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:17:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:17:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:17:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:17:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:17:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:17:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:17:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:17:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:17:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:17:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:17:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:17:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:40,422 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:17:40,662 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:40,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:41,143 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:41,172 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:41,172 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:41,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:41 BoogieIcfgContainer [2023-11-23 20:17:41,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:41,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:41,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:41,188 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:41,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,189 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:17:41,194 INFO L158 Benchmark]: Toolchain (without parser) took 1812.97ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 93.5MB in the beginning and 164.9MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:41,194 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 55.9MB in the beginning and 55.7MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:41,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.86ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 63.4MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:17:41,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.78ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 60.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:41,197 INFO L158 Benchmark]: Boogie Preprocessor took 67.11ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 58.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:41,198 INFO L158 Benchmark]: RCFGBuilder took 863.85ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 58.8MB in the beginning and 166.0MB in the end (delta: -107.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-23 20:17:41,198 INFO L158 Benchmark]: CodeCheck took 16.33ms. Allocated memory is still 201.3MB. Free memory was 166.0MB in the beginning and 164.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:41,202 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 0.30ms. Allocated memory is still 102.8MB. Free memory was 55.9MB in the beginning and 55.7MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.86ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 63.4MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.78ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 60.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.11ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 58.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 863.85ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 58.8MB in the beginning and 166.0MB in the end (delta: -107.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * CodeCheck took 16.33ms. Allocated memory is still 201.3MB. Free memory was 166.0MB in the beginning and 164.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:41,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:44,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:44,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:17:44,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:44,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:44,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:44,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:44,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:44,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:44,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:44,227 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:44,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:44,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:44,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:44,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:44,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:44,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:17:44,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:17:44,232 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:44,233 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:17:44,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:44,234 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:44,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:44,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:44,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:44,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:44,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:44,237 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:44,237 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:44,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:44,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:44,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:44,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:44,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:44,240 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:17:44,241 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:44,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:44,241 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:17:44,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:44,243 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_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-23 20:17:44,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:44,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:44,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:44,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:44,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:44,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-23 20:17:47,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:48,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:48,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/sv-benchmarks/c/pthread/stack-2.i [2023-11-23 20:17:48,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data/443fea467/4825acf17a6b49dd82f9a0746c4d6901/FLAG8ba37e1a5 [2023-11-23 20:17:48,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/data/443fea467/4825acf17a6b49dd82f9a0746c4d6901 [2023-11-23 20:17:48,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:48,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:48,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:48,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:48,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:48,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:48" (1/1) ... [2023-11-23 20:17:48,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b51bc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:48, skipping insertion in model container [2023-11-23 20:17:48,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:48" (1/1) ... [2023-11-23 20:17:48,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:49,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:49,170 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:49,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:49,360 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:49,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49 WrapperNode [2023-11-23 20:17:49,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:49,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:49,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:49,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:49,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,455 INFO L138 Inliner]: procedures = 282, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-23 20:17:49,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:49,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:49,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:49,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:49,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:49,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:49,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:49,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:49,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:49" (1/1) ... [2023-11-23 20:17:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:49,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:49,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:49,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:17:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:17:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:17:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:17:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:17:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:17:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:17:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:17:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:17:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:17:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:17:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:17:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:17:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:17:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:49,640 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:17:49,832 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:49,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:50,205 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:50,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:50,234 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:50,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:50 BoogieIcfgContainer [2023-11-23 20:17:50,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:50,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:50,237 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:50,247 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:50,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:50" (1/1) ... [2023-11-23 20:17:50,248 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:17:50,252 INFO L158 Benchmark]: Toolchain (without parser) took 1931.37ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 52.2MB in the end (delta: 16.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-23 20:17:50,253 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:50,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.74ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 57.9MB in the end (delta: 10.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-23 20:17:50,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.42ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 55.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:50,255 INFO L158 Benchmark]: Boogie Preprocessor took 87.89ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 52.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:50,257 INFO L158 Benchmark]: RCFGBuilder took 690.13ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 53.1MB in the end (delta: -452.7kB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-23 20:17:50,258 INFO L158 Benchmark]: CodeCheck took 14.20ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 52.2MB in the end (delta: 844.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:50,262 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 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.74ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 57.9MB in the end (delta: 10.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.42ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 55.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.89ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 52.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.13ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 53.1MB in the end (delta: -452.7kB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * CodeCheck took 14.20ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 52.2MB in the end (delta: 844.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:50,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa6b898-d3a7-4d8d-84ba-cb78ce8bc51e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported