./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 9bd2c7ff 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_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:30:00,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:00,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:30:00,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:00,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:00,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:00,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:00,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:00,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:00,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:00,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:00,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:00,431 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:00,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:00,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:00,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:00,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:00,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:00,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:00,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:00,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:00,439 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:00,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:00,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:00,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:00,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:00,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:00,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:00,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:00,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:00,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:00,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:00,447 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:00,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:00,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:00,449 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_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-19 03:30:00,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:00,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:00,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:00,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:00,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:00,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-19 03:30:04,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:04,800 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:04,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/sv-benchmarks/c/pthread/stack-2.i [2023-11-19 03:30:04,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data/965190f75/36ae196dd903498a9b356b1aa5c9c8fc/FLAG2d3f96daf [2023-11-19 03:30:04,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data/965190f75/36ae196dd903498a9b356b1aa5c9c8fc [2023-11-19 03:30:04,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:04,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:04,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:04,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:04,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:04,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:04" (1/1) ... [2023-11-19 03:30:04,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e52ea66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:04, skipping insertion in model container [2023-11-19 03:30:04,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:04" (1/1) ... [2023-11-19 03:30:04,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:05,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:05,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:05,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:05,640 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:05,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05 WrapperNode [2023-11-19 03:30:05,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:05,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:05,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:05,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:05,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,767 INFO L138 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-19 03:30:05,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:05,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:05,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:05,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:05,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:05,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:05,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:05,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:05,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:05" (1/1) ... [2023-11-19 03:30:05,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:05,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:05,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:05,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:30:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:30:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:30:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:30:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 03:30:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 03:30:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:30:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:30:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:30:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:05,975 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:30:06,146 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:06,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:06,440 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:06,475 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:06,475 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:30:06,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:06 BoogieIcfgContainer [2023-11-19 03:30:06,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:06,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:06,482 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:06,497 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:06,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:06" (1/1) ... [2023-11-19 03:30:06,499 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) [2023-11-19 03:30:06,511 INFO L158 Benchmark]: Toolchain (without parser) took 1648.97ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 105.9MB in the beginning and 176.2MB in the end (delta: -70.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,511 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory was 99.5MB in the beginning and 99.3MB in the end (delta: 169.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.41ms. Allocated memory is still 155.2MB. Free memory was 105.9MB in the beginning and 76.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.02ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 76.5MB in the beginning and 192.4MB in the end (delta: -115.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,515 INFO L158 Benchmark]: Boogie Preprocessor took 74.75ms. Allocated memory is still 226.5MB. Free memory was 192.3MB in the beginning and 190.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,516 INFO L158 Benchmark]: RCFGBuilder took 636.48ms. Allocated memory is still 226.5MB. Free memory was 190.4MB in the beginning and 177.2MB in the end (delta: 13.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,518 INFO L158 Benchmark]: CodeCheck took 24.30ms. Allocated memory is still 226.5MB. Free memory was 177.2MB in the beginning and 176.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:06,529 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 0.38ms. Allocated memory is still 155.2MB. Free memory was 99.5MB in the beginning and 99.3MB in the end (delta: 169.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.41ms. Allocated memory is still 155.2MB. Free memory was 105.9MB in the beginning and 76.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.02ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 76.5MB in the beginning and 192.4MB in the end (delta: -115.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.75ms. Allocated memory is still 226.5MB. Free memory was 192.3MB in the beginning and 190.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.48ms. Allocated memory is still 226.5MB. Free memory was 190.4MB in the beginning and 177.2MB in the end (delta: 13.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * CodeCheck took 24.30ms. Allocated memory is still 226.5MB. Free memory was 177.2MB in the beginning and 176.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:30:06,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:30:09,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:09,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:30:09,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:09,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:09,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:09,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:09,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:09,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:09,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:09,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:09,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:09,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:09,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:09,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:09,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:09,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:30:09,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:30:09,375 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:09,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:30:09,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:09,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:09,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:09,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:09,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:09,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:09,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:09,380 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:09,380 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:30:09,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:09,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:09,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:09,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:09,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:09,383 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:30:09,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:09,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:09,384 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:30:09,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:30:09,385 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_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-19 03:30:09,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:09,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:09,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:09,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:09,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:09,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-19 03:30:13,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:13,802 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:13,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/sv-benchmarks/c/pthread/stack-2.i [2023-11-19 03:30:13,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data/f677d84b1/bf03f860b20141af8963db44a40cc183/FLAGe18fbaf6b [2023-11-19 03:30:13,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/data/f677d84b1/bf03f860b20141af8963db44a40cc183 [2023-11-19 03:30:13,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:13,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:13,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:13,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:13,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:13,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:13,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdb6555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13, skipping insertion in model container [2023-11-19 03:30:13,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:13,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:14,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:14,605 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:14,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:14,808 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:14,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14 WrapperNode [2023-11-19 03:30:14,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:14,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:14,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:14,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:14,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,917 INFO L138 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-19 03:30:14,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:14,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:14,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:14,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:14,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:15,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:15,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:15,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:15,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:15,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:15,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:15,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:15,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:15,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:30:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:30:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:30:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:30:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 03:30:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 03:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:30:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:30:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:15,130 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:30:15,313 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:15,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:15,788 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:15,812 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:15,812 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:30:15,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:15 BoogieIcfgContainer [2023-11-19 03:30:15,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:15,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:15,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:15,834 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:15,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:15" (1/1) ... [2023-11-19 03:30:15,836 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) [2023-11-19 03:30:15,844 INFO L158 Benchmark]: Toolchain (without parser) took 1982.51ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.7MB in the beginning and 48.1MB in the end (delta: -423.4kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-19 03:30:15,846 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:15,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 948.57ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 74.6MB in the end (delta: -27.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-19 03:30:15,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.31ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 71.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:15,849 INFO L158 Benchmark]: Boogie Preprocessor took 101.08ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 69.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:15,851 INFO L158 Benchmark]: RCFGBuilder took 797.83ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 49.0MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:30:15,852 INFO L158 Benchmark]: CodeCheck took 21.48ms. Allocated memory is still 98.6MB. Free memory was 49.0MB in the beginning and 48.1MB in the end (delta: 908.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:15,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 948.57ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 74.6MB in the end (delta: -27.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.31ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 71.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.08ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 69.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.83ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 49.0MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 21.48ms. Allocated memory is still 98.6MB. Free memory was 49.0MB in the beginning and 48.1MB in the end (delta: 908.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:30:15,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ae0354-d1aa-4016-ace9-3ef32ba99359/bin/ukojak-verify-G8NBE6pJGL/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