./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3 --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:42,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:42,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 01:57:42,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:42,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:42,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:42,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:42,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:42,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:42,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:42,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:42,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:42,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:42,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:42,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:42,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:42,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:42,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:42,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:42,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:42,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:42,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:42,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:42,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:42,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:42,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:42,554 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:42,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:42,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2024-11-25 01:57:42,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:42,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:42,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:42,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:42,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:42,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread/stack_longest-2.i [2024-11-25 01:57:45,875 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/745582621/3d6f4b044e4e443cbbdce73a57f888b9/FLAGa2ea216f4 [2024-11-25 01:57:46,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:46,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/sv-benchmarks/c/pthread/stack_longest-2.i [2024-11-25 01:57:46,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/745582621/3d6f4b044e4e443cbbdce73a57f888b9/FLAGa2ea216f4 [2024-11-25 01:57:46,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/745582621/3d6f4b044e4e443cbbdce73a57f888b9 [2024-11-25 01:57:46,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:46,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:46,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:46,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:46,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b38bb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46, skipping insertion in model container [2024-11-25 01:57:46,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:46,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:47,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:47,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:47,185 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:47,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47 WrapperNode [2024-11-25 01:57:47,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:47,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:47,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:47,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,300 INFO L138 Inliner]: procedures = 277, calls = 831, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 945 [2024-11-25 01:57:47,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:47,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:47,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,373 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:47,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:47,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:47,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:47,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:47,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-25 01:57:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-25 01:57:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-25 01:57:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-25 01:57:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-25 01:57:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 01:57:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 01:57:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2024-11-25 01:57:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2024-11-25 01:57:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-25 01:57:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-25 01:57:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-25 01:57:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:47,516 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 01:57:47,688 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:47,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:49,572 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 01:57:49,573 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:49,637 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:49,641 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:57:49,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:49 BoogieIcfgContainer [2024-11-25 01:57:49,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:49,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:49,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:49,659 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:49,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,660 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:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 01:57:49,668 INFO L158 Benchmark]: Toolchain (without parser) took 3390.16ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 61.5MB in the end (delta: 29.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-25 01:57:49,668 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:49,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.13ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 52.6MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 01:57:49,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.41ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 44.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:49,670 INFO L158 Benchmark]: Boogie Preprocessor took 107.73ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 38.3MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:49,671 INFO L158 Benchmark]: RCFGBuilder took 2232.04ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 62.8MB in the end (delta: -24.7MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-25 01:57:49,672 INFO L158 Benchmark]: CodeCheck took 23.08ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 61.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:49,674 INFO L338 ainManager$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:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.13ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 52.6MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.41ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 44.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.73ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 38.3MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2232.04ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 62.8MB in the end (delta: -24.7MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * CodeCheck took 23.08ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 61.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 01:57:49,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3 --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:52,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:52,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 01:57:52,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:52,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:52,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:52,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:52,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:52,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:52,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:52,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:52,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:52,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:52,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:52,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:52,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:52,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:52,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:52,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:57:52,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:52,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:52,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:52,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:52,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:52,706 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:57:52,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:52,707 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:57:52,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2024-11-25 01:57:53,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:53,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:53,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:53,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:53,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:53,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread/stack_longest-2.i [2024-11-25 01:57:56,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/4a9d81ee4/cb0a46a60fce4526b78e182f66df6704/FLAG1e8e236c6 [2024-11-25 01:57:56,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:56,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/sv-benchmarks/c/pthread/stack_longest-2.i [2024-11-25 01:57:56,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/4a9d81ee4/cb0a46a60fce4526b78e182f66df6704/FLAG1e8e236c6 [2024-11-25 01:57:56,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/data/4a9d81ee4/cb0a46a60fce4526b78e182f66df6704 [2024-11-25 01:57:56,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:56,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:56,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:56,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:56,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:56,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:56" (1/1) ... [2024-11-25 01:57:56,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e474980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:56, skipping insertion in model container [2024-11-25 01:57:56,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:56" (1/1) ... [2024-11-25 01:57:56,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:57,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:57,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:57,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:57,707 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:57,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57 WrapperNode [2024-11-25 01:57:57,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:57,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:57,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:57,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:57,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,864 INFO L138 Inliner]: procedures = 281, calls = 831, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 942 [2024-11-25 01:57:57,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:57,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:57,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:57,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:57,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,943 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:57,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:57,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:57,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:57,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:57" (1/1) ... [2024-11-25 01:57:57,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:58,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:58,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 01:57:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-25 01:57:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-25 01:57:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-25 01:57:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-25 01:57:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 01:57:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:57:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 01:57:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-25 01:57:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2024-11-25 01:57:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2024-11-25 01:57:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-25 01:57:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-25 01:57:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-25 01:57:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:58,068 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 01:57:58,335 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:58,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:00,533 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 01:58:00,533 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:00,603 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:00,603 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:58:00,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:00 BoogieIcfgContainer [2024-11-25 01:58:00,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:00,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:00,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:00,617 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:00,618 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:00" (1/1) ... [2024-11-25 01:58:00,619 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:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) 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) [2024-11-25 01:58:00,625 INFO L158 Benchmark]: Toolchain (without parser) took 3991.81ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 60.1MB in the beginning and 63.1MB in the end (delta: -3.0MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:00,626 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:00,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1073.35ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 44.0MB in the end (delta: 15.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:00,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.48ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 35.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:00,629 INFO L158 Benchmark]: Boogie Preprocessor took 117.53ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 28.5MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:00,630 INFO L158 Benchmark]: RCFGBuilder took 2620.02ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 28.5MB in the beginning and 64.4MB in the end (delta: -35.9MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:00,631 INFO L158 Benchmark]: CodeCheck took 19.50ms. Allocated memory is still 184.5MB. Free memory was 64.4MB in the beginning and 63.5MB in the end (delta: 867.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:00,634 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:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1073.35ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 44.0MB in the end (delta: 15.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.48ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 35.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.53ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 28.5MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2620.02ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 28.5MB in the beginning and 64.4MB in the end (delta: -35.9MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * CodeCheck took 19.50ms. Allocated memory is still 184.5MB. Free memory was 64.4MB in the beginning and 63.5MB in the end (delta: 867.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 01:58:00,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec7d95ee-8f1b-46d0-9589-de7c0006e44a/bin/ukojak-verify-ENZ3QT5qd3/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