./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2 --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:55,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:55,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:55,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:55,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:55,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:55,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:55,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:55,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:55,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:55,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:55,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:55,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:55,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:55,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:55,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:55,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:55,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:55,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:55,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:55,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:55,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:55,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:55,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:55,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:55,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:55,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:55,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:55,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:55,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:55,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:55,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:55,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:55,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:55,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:55,529 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_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-21 18:25:55,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:55,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:55,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:55,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:55,902 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:55,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-21 18:25:59,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:59,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:59,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/sv-benchmarks/c/pthread/stack-1.i [2023-11-21 18:25:59,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data/7eee116b5/a6ff2d709f2844bab8d59d92f415994c/FLAG7a6fe4d17 [2023-11-21 18:25:59,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data/7eee116b5/a6ff2d709f2844bab8d59d92f415994c [2023-11-21 18:25:59,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:59,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:59,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:59,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:59,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:59,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:59" (1/1) ... [2023-11-21 18:25:59,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c36c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:59, skipping insertion in model container [2023-11-21 18:25:59,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:59" (1/1) ... [2023-11-21 18:25:59,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:00,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:00,066 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:00,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:00,237 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:00,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00 WrapperNode [2023-11-21 18:26:00,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:00,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:00,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:00,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:00,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,302 INFO L138 Inliner]: procedures = 278, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2023-11-21 18:26:00,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:00,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:00,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:00,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:00,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:00,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:00,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:00,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:00,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:00,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:00,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:26:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:26:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:26:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:26:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:26:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:26:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:26:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:26:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:26:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:26:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:26:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:26:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:00,451 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:00,599 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:00,602 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:00,952 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:00,980 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:00,980 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:26:00,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:00 BoogieIcfgContainer [2023-11-21 18:26:00,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:00,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:00,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:00,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:00,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:00" (1/1) ... [2023-11-21 18:26:00,995 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) [2023-11-21 18:26:01,000 INFO L158 Benchmark]: Toolchain (without parser) took 1592.31ms. Allocated memory is still 190.8MB. Free memory was 159.4MB in the beginning and 146.6MB in the end (delta: 12.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:01,000 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:01,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.06ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 132.3MB in the end (delta: 26.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-21 18:26:01,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.19ms. Allocated memory is still 190.8MB. Free memory was 132.3MB in the beginning and 129.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:01,002 INFO L158 Benchmark]: Boogie Preprocessor took 38.21ms. Allocated memory is still 190.8MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:01,003 INFO L158 Benchmark]: RCFGBuilder took 639.29ms. Allocated memory is still 190.8MB. Free memory was 127.3MB in the beginning and 147.7MB in the end (delta: -20.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:01,004 INFO L158 Benchmark]: CodeCheck took 14.87ms. Allocated memory is still 190.8MB. Free memory was 147.7MB in the beginning and 146.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:01,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.06ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 132.3MB in the end (delta: 26.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.19ms. Allocated memory is still 190.8MB. Free memory was 132.3MB in the beginning and 129.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.21ms. Allocated memory is still 190.8MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.29ms. Allocated memory is still 190.8MB. Free memory was 127.3MB in the beginning and 147.7MB in the end (delta: -20.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14.87ms. Allocated memory is still 190.8MB. Free memory was 147.7MB in the beginning and 146.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:01,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2 --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:03,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:03,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:26:03,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:03,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:03,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:03,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:03,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:03,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:03,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:03,936 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:03,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:03,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:03,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:03,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:03,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:03,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:26:03,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:26:03,941 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:03,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:26:03,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:03,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:03,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:03,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:03,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:03,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:03,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:03,945 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:03,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:03,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:03,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:03,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:03,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:03,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:03,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:26:03,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:03,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:03,949 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:26:03,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:03,950 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_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-21 18:26:04,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:04,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:04,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:04,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:04,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:04,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-21 18:26:07,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:08,161 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:08,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/sv-benchmarks/c/pthread/stack-1.i [2023-11-21 18:26:08,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data/c18351350/e6e27d51085b4f029d26f88cb7717812/FLAGb5d4390a7 [2023-11-21 18:26:08,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/data/c18351350/e6e27d51085b4f029d26f88cb7717812 [2023-11-21 18:26:08,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:08,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:08,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:08,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:08,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:08,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:08" (1/1) ... [2023-11-21 18:26:08,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa5caf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:08, skipping insertion in model container [2023-11-21 18:26:08,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:08" (1/1) ... [2023-11-21 18:26:08,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:08,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:08,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:08,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:09,094 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:09,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09 WrapperNode [2023-11-21 18:26:09,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:09,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:09,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:09,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:09,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,202 INFO L138 Inliner]: procedures = 282, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-21 18:26:09,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:09,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:09,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:09,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:09,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:09,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:09,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:09,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:09,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:09,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:09,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:26:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:26:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:26:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:26:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:26:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:26:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:26:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:26:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:26:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:26:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:26:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:26:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:26:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:26:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:09,392 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:09,646 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:09,648 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:09,942 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:09,970 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:09,970 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:26:09,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:09 BoogieIcfgContainer [2023-11-21 18:26:09,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:09,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:09,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:09,983 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:09,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:09" (1/1) ... [2023-11-21 18:26:09,984 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) [2023-11-21 18:26:09,988 INFO L158 Benchmark]: Toolchain (without parser) took 1772.69ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 37.1MB in the beginning and 60.2MB in the end (delta: -23.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-21 18:26:09,989 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:09,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.31ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 36.9MB in the beginning and 60.7MB in the end (delta: -23.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:09,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.28ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 57.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:09,991 INFO L158 Benchmark]: Boogie Preprocessor took 87.51ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 55.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:09,992 INFO L158 Benchmark]: RCFGBuilder took 680.03ms. Allocated memory is still 104.9MB. Free memory was 55.4MB in the beginning and 61.2MB in the end (delta: -5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:09,992 INFO L158 Benchmark]: CodeCheck took 13.51ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 60.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:09,996 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 0.23ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.31ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 36.9MB in the beginning and 60.7MB in the end (delta: -23.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.28ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 57.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.51ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 55.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.03ms. Allocated memory is still 104.9MB. Free memory was 55.4MB in the beginning and 61.2MB in the end (delta: -5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 13.51ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 60.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:10,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f645525-f6a5-4e1a-9359-a2c7d0909b41/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported