./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC --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 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:10,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:10,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:25:10,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:25:10,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:25:10,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:10,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:10,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:10,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:10,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:10,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:10,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:10,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:10,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:25:10,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:10,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:10,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:10,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:10,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:10,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:10,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:10,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:10,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:10,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:10,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:10,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:10,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:10,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:10,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:10,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:10,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:10,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:10,745 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:25:10,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:25:10,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:10,746 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_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 [2023-11-23 20:25:11,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:11,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:11,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:11,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:11,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:11,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-23 20:25:14,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:14,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:14,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-23 20:25:14,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data/ca5698bda/daca7e175f754222b809c8d12c8caa9e/FLAG7bb0cd051 [2023-11-23 20:25:14,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data/ca5698bda/daca7e175f754222b809c8d12c8caa9e [2023-11-23 20:25:14,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:14,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:14,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:14,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:14,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:14,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:14" (1/1) ... [2023-11-23 20:25:14,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b1a4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:14, skipping insertion in model container [2023-11-23 20:25:14,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:14" (1/1) ... [2023-11-23 20:25:14,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:15,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:15,340 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:15,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:15,463 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:15,463 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:15,469 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:15,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15 WrapperNode [2023-11-23 20:25:15,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:15,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:15,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:15,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:15,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,557 INFO L138 Inliner]: procedures = 172, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-23 20:25:15,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:15,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:15,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:15,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:15,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:15,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:15,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:15,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:15,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:15" (1/1) ... [2023-11-23 20:25:15,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:15,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:15,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:15,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:25:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:25:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:25:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:25:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:25:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:25:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:25:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-23 20:25:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-23 20:25:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:25:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:25:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:15,686 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:25:15,828 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:15,830 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:16,162 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:16,285 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:16,285 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:25:16,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:16 BoogieIcfgContainer [2023-11-23 20:25:16,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:16,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:16,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:16,299 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:16,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:16" (1/1) ... [2023-11-23 20:25:16,301 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) [2023-11-23 20:25:16,305 INFO L158 Benchmark]: Toolchain (without parser) took 1491.99ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 77.4MB in the beginning and 114.0MB in the end (delta: -36.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:16,306 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:16,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.59ms. Allocated memory is still 125.8MB. Free memory was 77.0MB in the beginning and 56.4MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:25:16,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.32ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 56.4MB in the beginning and 140.2MB in the end (delta: -83.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:16,308 INFO L158 Benchmark]: Boogie Preprocessor took 34.12ms. Allocated memory is still 169.9MB. Free memory was 140.2MB in the beginning and 139.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:16,309 INFO L158 Benchmark]: RCFGBuilder took 693.72ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 115.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:25:16,309 INFO L158 Benchmark]: CodeCheck took 15.49ms. Allocated memory is still 169.9MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:16,313 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 0.36ms. Allocated memory is still 125.8MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.59ms. Allocated memory is still 125.8MB. Free memory was 77.0MB in the beginning and 56.4MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.32ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 56.4MB in the beginning and 140.2MB in the end (delta: -83.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.12ms. Allocated memory is still 169.9MB. Free memory was 140.2MB in the beginning and 139.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 693.72ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 115.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 15.49ms. Allocated memory is still 169.9MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:25:16,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/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_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC --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 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:19,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:19,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:25:19,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:19,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:19,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:19,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:19,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:19,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:19,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:19,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:19,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:19,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:19,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:19,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:19,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:19,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:25:19,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:25:19,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:19,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:25:19,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:19,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:19,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:19,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:19,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:19,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:19,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:19,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:25:19,463 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:25:19,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:19,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:19,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:19,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:19,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:19,466 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:25:19,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:25:19,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:19,467 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:25:19,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:25:19,468 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_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 [2023-11-23 20:25:19,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:19,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:19,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:19,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:19,902 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:19,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-23 20:25:23,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:23,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:23,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-23 20:25:23,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data/f67d2917d/98f39d9e4b874b56a763429b66ca16da/FLAG38625ba77 [2023-11-23 20:25:23,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/data/f67d2917d/98f39d9e4b874b56a763429b66ca16da [2023-11-23 20:25:23,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:23,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:23,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:23,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:23,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:23,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:23" (1/1) ... [2023-11-23 20:25:23,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5021ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:23, skipping insertion in model container [2023-11-23 20:25:23,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:23" (1/1) ... [2023-11-23 20:25:23,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:24,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:24,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:24,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:24,418 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:24,419 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:24,427 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:24,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24 WrapperNode [2023-11-23 20:25:24,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:24,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:24,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:24,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:24,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,562 INFO L138 Inliner]: procedures = 176, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-23 20:25:24,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:24,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:24,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:24,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:24,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:24,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:24,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:24,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:24,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:24" (1/1) ... [2023-11-23 20:25:24,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:24,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:25:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:25:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:25:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:25:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:25:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:25:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:25:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:25:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:25:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-23 20:25:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-23 20:25:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:25:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:25:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:24,697 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:25:24,854 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:24,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:25,225 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:25,346 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:25,355 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:25:25,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:25 BoogieIcfgContainer [2023-11-23 20:25:25,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:25,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:25,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:25,372 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:25,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:25" (1/1) ... [2023-11-23 20:25:25,374 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) [2023-11-23 20:25:25,386 INFO L158 Benchmark]: Toolchain (without parser) took 1668.88ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 43.6MB in the end (delta: 27.3MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:25,388 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:25,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.90ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 48.5MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:25:25,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.65ms. Allocated memory is still 96.5MB. Free memory was 48.2MB in the beginning and 73.0MB in the end (delta: -24.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:25,391 INFO L158 Benchmark]: Boogie Preprocessor took 40.76ms. Allocated memory is still 96.5MB. Free memory was 73.0MB in the beginning and 70.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:25,397 INFO L158 Benchmark]: RCFGBuilder took 752.55ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 44.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:25:25,398 INFO L158 Benchmark]: CodeCheck took 20.30ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:25,410 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 69.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.90ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 48.5MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.65ms. Allocated memory is still 96.5MB. Free memory was 48.2MB in the beginning and 73.0MB in the end (delta: -24.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.76ms. Allocated memory is still 96.5MB. Free memory was 73.0MB in the beginning and 70.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.55ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 44.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 20.30ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:25:25,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a77d5bd-2b19-4289-bef0-b7455bb01a75/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported