./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/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_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/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_df595693-0e16-415d-af97-bc725f8ddc9c/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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:03,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:03,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:51:03,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:03,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:03,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:03,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:03,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:03,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:03,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:03,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:03,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:03,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:03,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:03,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:03,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:03,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:03,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:03,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:03,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:51:03,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:03,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:03,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:03,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:03,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:03,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:03,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:03,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:03,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:03,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:03,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:03,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:03,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:03,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:03,354 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_df595693-0e16-415d-af97-bc725f8ddc9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2023-11-11 23:51:03,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:03,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:03,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:03,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:03,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:03,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-11 23:51:06,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:07,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:07,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-11 23:51:07,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data/ecbb32ba7/893157614fdc448e9eb04ffdfe4ecadf/FLAG43c0e347e [2023-11-11 23:51:07,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data/ecbb32ba7/893157614fdc448e9eb04ffdfe4ecadf [2023-11-11 23:51:07,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:07,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:07,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:07,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:07,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:07,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:07" (1/1) ... [2023-11-11 23:51:07,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266029cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:07, skipping insertion in model container [2023-11-11 23:51:07,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:07" (1/1) ... [2023-11-11 23:51:07,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:08,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:08,549 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:08,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:08,810 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:08,811 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:08,819 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:08,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08 WrapperNode [2023-11-11 23:51:08,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:08,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:08,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:08,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:08,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:08,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:08,985 INFO L138 Inliner]: procedures = 489, calls = 130, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 525 [2023-11-11 23:51:08,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:08,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:08,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:08,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:08,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:08,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:09,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:09,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:09,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:09,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:09,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:09,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:09,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-11 23:51:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-11 23:51:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:51:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:51:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:51:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:51:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:51:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2023-11-11 23:51:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2023-11-11 23:51:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:51:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:51:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-11 23:51:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-11 23:51:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:51:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-11 23:51:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-11 23:51:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2023-11-11 23:51:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2023-11-11 23:51:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2023-11-11 23:51:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2023-11-11 23:51:09,220 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 23:51:09,702 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:09,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:10,889 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:10,949 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:10,950 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-11 23:51:10,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:10 BoogieIcfgContainer [2023-11-11 23:51:10,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:10,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:10,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:10,970 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:10,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,972 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 23:51:10,982 INFO L158 Benchmark]: Toolchain (without parser) took 3696.25ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 126.9MB in the beginning and 101.9MB in the end (delta: 24.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-11-11 23:51:10,983 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 113.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:10,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1534.94ms. Allocated memory is still 163.6MB. Free memory was 126.9MB in the beginning and 67.5MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-11 23:51:10,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.25ms. Allocated memory is still 163.6MB. Free memory was 67.5MB in the beginning and 129.2MB in the end (delta: -61.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:10,987 INFO L158 Benchmark]: Boogie Preprocessor took 111.41ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 161.7MB in the end (delta: -32.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-11 23:51:10,988 INFO L158 Benchmark]: RCFGBuilder took 1857.07ms. Allocated memory is still 197.1MB. Free memory was 161.7MB in the beginning and 103.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-11 23:51:10,989 INFO L158 Benchmark]: CodeCheck took 22.38ms. Allocated memory is still 197.1MB. Free memory was 103.0MB in the beginning and 101.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:10,998 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 0.53ms. Allocated memory is still 113.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1534.94ms. Allocated memory is still 163.6MB. Free memory was 126.9MB in the beginning and 67.5MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.25ms. Allocated memory is still 163.6MB. Free memory was 67.5MB in the beginning and 129.2MB in the end (delta: -61.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.41ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 161.7MB in the end (delta: -32.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1857.07ms. Allocated memory is still 197.1MB. Free memory was 161.7MB in the beginning and 103.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * CodeCheck took 22.38ms. Allocated memory is still 197.1MB. Free memory was 103.0MB in the beginning and 101.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:11,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/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_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/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_df595693-0e16-415d-af97-bc725f8ddc9c/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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:14,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:14,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:51:14,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:14,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:14,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:14,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:14,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:14,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:14,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:14,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:14,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:14,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:14,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:14,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:14,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:14,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:51:14,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:51:14,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:51:14,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:51:14,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:14,367 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:14,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:14,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:14,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:14,369 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:14,369 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:51:14,370 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:14,370 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:14,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:14,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:14,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:14,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:14,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:14,374 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:51:14,375 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:14,375 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:14,375 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:51:14,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:14,377 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_df595693-0e16-415d-af97-bc725f8ddc9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2023-11-11 23:51:14,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:14,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:14,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:14,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:14,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:14,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-11 23:51:18,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:19,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:19,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-11 23:51:19,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data/bef4bd09d/e8244ea846dc4bceb0249f8cefbf0d8b/FLAG0de84d057 [2023-11-11 23:51:19,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/data/bef4bd09d/e8244ea846dc4bceb0249f8cefbf0d8b [2023-11-11 23:51:19,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:19,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:19,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:19,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:19,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:19,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:19" (1/1) ... [2023-11-11 23:51:19,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6d102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:19, skipping insertion in model container [2023-11-11 23:51:19,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:19" (1/1) ... [2023-11-11 23:51:19,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:20,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:20,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:20,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:21,090 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:21,091 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:21,100 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:21,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21 WrapperNode [2023-11-11 23:51:21,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:21,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:21,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:21,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:21,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,247 INFO L138 Inliner]: procedures = 493, calls = 130, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 443 [2023-11-11 23:51:21,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:21,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:21,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:21,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:21,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:21,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:21,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:21,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:21,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:21" (1/1) ... [2023-11-11 23:51:21,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:21,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:21,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-11 23:51:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-11 23:51:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:51:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:51:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:51:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:51:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:51:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:51:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2023-11-11 23:51:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2023-11-11 23:51:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:51:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:51:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:51:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-11 23:51:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-11 23:51:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:51:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:51:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-11 23:51:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-11 23:51:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2023-11-11 23:51:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2023-11-11 23:51:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2023-11-11 23:51:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2023-11-11 23:51:21,521 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 23:51:22,070 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:22,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:23,369 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:23,445 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:23,445 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-11 23:51:23,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:23 BoogieIcfgContainer [2023-11-11 23:51:23,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:23,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:23,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:23,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:23,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:23" (1/1) ... [2023-11-11 23:51:23,469 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 23:51:23,474 INFO L158 Benchmark]: Toolchain (without parser) took 4371.01ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 52.1MB in the beginning and 82.8MB in the end (delta: -30.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-11 23:51:23,475 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 79.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:23,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1998.56ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.9MB in the beginning and 54.2MB in the end (delta: -2.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-11 23:51:23,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.54ms. Allocated memory is still 102.8MB. Free memory was 54.2MB in the beginning and 48.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:51:23,477 INFO L158 Benchmark]: Boogie Preprocessor took 153.12ms. Allocated memory is still 102.8MB. Free memory was 48.7MB in the beginning and 69.5MB in the end (delta: -20.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-11 23:51:23,478 INFO L158 Benchmark]: RCFGBuilder took 2048.54ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.5MB in the beginning and 84.1MB in the end (delta: -14.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:23,479 INFO L158 Benchmark]: CodeCheck took 18.31ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 82.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:23,484 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 1.45ms. Allocated memory is still 79.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1998.56ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.9MB in the beginning and 54.2MB in the end (delta: -2.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.54ms. Allocated memory is still 102.8MB. Free memory was 54.2MB in the beginning and 48.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.12ms. Allocated memory is still 102.8MB. Free memory was 48.7MB in the beginning and 69.5MB in the end (delta: -20.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2048.54ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.5MB in the beginning and 84.1MB in the end (delta: -14.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * CodeCheck took 18.31ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 82.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:23,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df595693-0e16-415d-af97-bc725f8ddc9c/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