./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9 --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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:27:46,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:27:46,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:27:46,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:27:46,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:27:46,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:27:46,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:27:46,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:27:46,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:27:46,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:27:46,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:27:46,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:27:46,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:27:46,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:27:46,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:27:46,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:27:46,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:27:46,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:27:46,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:27:46,166 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:27:46,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:27:46,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:27:46,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:27:46,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:27:46,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:27:46,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:27:46,170 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:27:46,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:27:46,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:46,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:27:46,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:27:46,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:27:46,172 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:27:46,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:27:46,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:27:46,173 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_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2023-12-03 00:27:46,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:27:46,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:27:46,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:27:46,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:27:46,419 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:27:46,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/stack_longer-2.i [2023-12-03 00:27:49,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:27:49,418 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:27:49,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/sv-benchmarks/c/pthread/stack_longer-2.i [2023-12-03 00:27:49,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data/0e1152edb/1f11037ed215498e8a0914afd7150cac/FLAG59883e1fc [2023-12-03 00:27:49,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data/0e1152edb/1f11037ed215498e8a0914afd7150cac [2023-12-03 00:27:49,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:27:49,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:27:49,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:49,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:27:49,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:27:49,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:49" (1/1) ... [2023-12-03 00:27:49,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26df7238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:49, skipping insertion in model container [2023-12-03 00:27:49,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:49" (1/1) ... [2023-12-03 00:27:49,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:27:49,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:49,949 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:27:49,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:50,070 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:27:50,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50 WrapperNode [2023-12-03 00:27:50,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:50,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:50,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:27:50,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:27:50,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,125 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-12-03 00:27:50,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:50,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:27:50,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:27:50,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:27:50,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:27:50,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:27:50,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:27:50,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:27:50,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:27:50,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:27:50,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:27:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-03 00:27:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-03 00:27:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-03 00:27:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-03 00:27:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:27:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:27:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-03 00:27:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:27:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:27:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-12-03 00:27:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-12-03 00:27:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-03 00:27:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:27:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-12-03 00:27:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-12-03 00:27:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:27:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:27:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:27:50,234 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:27:50,373 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:27:50,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:27:50,611 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:27:50,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:27:50,636 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:27:50,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:50 BoogieIcfgContainer [2023-12-03 00:27:50,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:27:50,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:27:50,638 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:27:50,646 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:27:50,646 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:50" (1/1) ... [2023-12-03 00:27:50,647 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) [2023-12-03 00:27:50,650 INFO L158 Benchmark]: Toolchain (without parser) took 1196.80ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 72.7MB in the end (delta: 20.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-12-03 00:27:50,651 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:27:50,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.55ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 97.9MB in the end (delta: -4.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-12-03 00:27:50,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.31ms. Allocated memory is still 138.4MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:50,653 INFO L158 Benchmark]: Boogie Preprocessor took 34.14ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 93.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:50,653 INFO L158 Benchmark]: RCFGBuilder took 476.64ms. Allocated memory is still 138.4MB. Free memory was 93.7MB in the beginning and 73.5MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:27:50,654 INFO L158 Benchmark]: CodeCheck took 10.63ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 72.7MB in the end (delta: 808.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:50,658 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 0.20ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.55ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 97.9MB in the end (delta: -4.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.31ms. Allocated memory is still 138.4MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.14ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 93.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.64ms. Allocated memory is still 138.4MB. Free memory was 93.7MB in the beginning and 73.5MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10.63ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 72.7MB in the end (delta: 808.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:27:50,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/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_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9 --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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:27:52,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:27:52,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:27:52,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:27:52,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:27:52,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:27:52,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:27:52,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:27:52,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:27:52,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:27:52,717 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:27:52,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:27:52,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:27:52,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:27:52,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:27:52,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:27:52,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:27:52,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:27:52,721 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:27:52,722 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:27:52,722 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:27:52,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:27:52,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:27:52,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:27:52,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:27:52,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:27:52,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:27:52,726 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:52,726 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:27:52,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:27:52,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:52,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:27:52,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:27:52,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:27:52,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:27:52,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:52,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:27:52,730 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:27:52,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:27:52,730 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_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2023-12-03 00:27:53,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:27:53,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:27:53,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:27:53,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:27:53,049 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:27:53,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/stack_longer-2.i [2023-12-03 00:27:55,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:27:56,103 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:27:56,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/sv-benchmarks/c/pthread/stack_longer-2.i [2023-12-03 00:27:56,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data/d0056b91a/3c4a5914583345779b81343fe5e3862d/FLAG804c3ceb3 [2023-12-03 00:27:56,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/data/d0056b91a/3c4a5914583345779b81343fe5e3862d [2023-12-03 00:27:56,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:27:56,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:27:56,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:56,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:27:56,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:27:56,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e809547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56, skipping insertion in model container [2023-12-03 00:27:56,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:27:56,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:56,693 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:27:56,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:56,824 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:27:56,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56 WrapperNode [2023-12-03 00:27:56,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:56,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:56,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:27:56,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:27:56,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,893 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-12-03 00:27:56,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:56,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:27:56,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:27:56,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:27:56,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:27:56,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:27:56,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:27:56,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:27:56,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:27:56,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:27:56,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:27:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-03 00:27:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-03 00:27:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-03 00:27:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-03 00:27:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-12-03 00:27:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-12-03 00:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-03 00:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-12-03 00:27:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-12-03 00:27:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:27:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:27:57,010 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:27:57,162 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:27:57,165 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:27:57,424 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:27:57,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:27:57,451 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:27:57,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:57 BoogieIcfgContainer [2023-12-03 00:27:57,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:27:57,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:27:57,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:27:57,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:27:57,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,462 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) [2023-12-03 00:27:57,465 INFO L158 Benchmark]: Toolchain (without parser) took 1324.68ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 70.8MB in the end (delta: 23.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,466 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:27:57,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.00ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 62.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.70ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 96.5MB in the end (delta: -33.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,468 INFO L158 Benchmark]: Boogie Preprocessor took 38.12ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,469 INFO L158 Benchmark]: RCFGBuilder took 519.52ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 72.1MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,469 INFO L158 Benchmark]: CodeCheck took 10.41ms. Allocated memory is still 119.5MB. Free memory was 72.1MB in the beginning and 70.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:27:57,472 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 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.00ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 62.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.70ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 96.5MB in the end (delta: -33.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.12ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.52ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 72.1MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 10.41ms. Allocated memory is still 119.5MB. Free memory was 72.1MB in the beginning and 70.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:27:57,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2142bd46-8ce1-4896-8324-db5627de49d8/bin/ukojak-verify-Qdu7aM0XO9/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