./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/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_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:29,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:29,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:17:29,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:29,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:29,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:29,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:29,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:29,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:29,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:29,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:29,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:29,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:29,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:29,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:29,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:29,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:29,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:29,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:29,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:29,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:29,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:29,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:29,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:29,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:29,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:29,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:29,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:29,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:29,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:29,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:29,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:29,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:29,632 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_df12f0a3-ab4b-4edb-84ff-00517de0bf07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-23 20:17:29,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:29,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:29,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:29,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:29,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:29,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:17:33,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:33,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:33,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:17:33,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data/74d529699/60c12ca284ba4929afcbe7bdc9383bb0/FLAGb254c06a5 [2023-11-23 20:17:33,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data/74d529699/60c12ca284ba4929afcbe7bdc9383bb0 [2023-11-23 20:17:33,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:33,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:33,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:33,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:33,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:33,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:33" (1/1) ... [2023-11-23 20:17:33,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e08111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:33, skipping insertion in model container [2023-11-23 20:17:33,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:33" (1/1) ... [2023-11-23 20:17:33,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:34,020 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-23 20:17:34,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:34,047 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:34,089 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-23 20:17:34,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:34,143 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:34,143 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:34,151 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:34,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34 WrapperNode [2023-11-23 20:17:34,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:34,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:34,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:34,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:34,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,238 INFO L138 Inliner]: procedures = 172, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 132 [2023-11-23 20:17:34,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:34,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:34,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:34,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:34,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:34,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:34,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:34,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:34,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:34,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:34,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:34,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:17:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:17:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:17:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:17:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:17:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-23 20:17:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-23 20:17:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:17:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:17:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:34,413 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 20:17:34,552 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:34,555 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:34,832 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:34,908 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:34,909 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:34,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:34 BoogieIcfgContainer [2023-11-23 20:17:34,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:34,912 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:34,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:34,923 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:34,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,925 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 20:17:34,930 INFO L158 Benchmark]: Toolchain (without parser) took 1363.32ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 90.4MB in the beginning and 146.4MB in the end (delta: -55.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:34,930 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:34,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.50ms. Allocated memory is still 138.4MB. Free memory was 90.4MB in the beginning and 69.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:17:34,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.74ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 66.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:34,933 INFO L158 Benchmark]: Boogie Preprocessor took 67.78ms. Allocated memory is still 138.4MB. Free memory was 66.9MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:34,934 INFO L158 Benchmark]: RCFGBuilder took 602.92ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 65.3MB in the beginning and 147.6MB in the end (delta: -82.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:34,935 INFO L158 Benchmark]: CodeCheck took 16.26ms. Allocated memory is still 188.7MB. Free memory was 147.6MB in the beginning and 146.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:34,938 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 0.34ms. Allocated memory is still 138.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.50ms. Allocated memory is still 138.4MB. Free memory was 90.4MB in the beginning and 69.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.74ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 66.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.78ms. Allocated memory is still 138.4MB. Free memory was 66.9MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.92ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 65.3MB in the beginning and 147.6MB in the end (delta: -82.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * CodeCheck took 16.26ms. Allocated memory is still 188.7MB. Free memory was 147.6MB in the beginning and 146.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:34,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/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 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_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/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_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:37,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:37,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-23 20:17:37,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:37,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:37,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:37,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:37,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:37,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:37,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:37,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:37,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:37,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:37,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:37,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:37,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:37,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:17:37,903 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:17:37,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:17:37,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:37,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:37,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:37,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:37,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:37,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:37,907 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:37,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:37,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:37,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:37,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:37,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:37,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:37,911 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:17:37,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:37,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:37,912 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:17:37,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:37,912 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_df12f0a3-ab4b-4edb-84ff-00517de0bf07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-23 20:17:38,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:38,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:38,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:38,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:38,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:38,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:17:41,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:41,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:41,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:17:41,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data/4538b2a26/ee2bd71a31ba430498b3d25eb85784a2/FLAGb8b51df2c [2023-11-23 20:17:41,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/data/4538b2a26/ee2bd71a31ba430498b3d25eb85784a2 [2023-11-23 20:17:41,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:41,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:41,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:41,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:41,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:41,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a8a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:41, skipping insertion in model container [2023-11-23 20:17:41,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:42,282 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-23 20:17:42,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:42,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:42,404 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-23 20:17:42,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:42,484 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:42,484 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:42,493 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:42,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42 WrapperNode [2023-11-23 20:17:42,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:42,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:42,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:42,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:42,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,591 INFO L138 Inliner]: procedures = 176, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2023-11-23 20:17:42,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:42,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:42,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:42,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:42,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:42,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:42,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:42,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:42,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:42" (1/1) ... [2023-11-23 20:17:42,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:42,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:42,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:42,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:17:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:17:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:17:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:17:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:17:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:17:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:17:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-23 20:17:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-23 20:17:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:17:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:17:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:42,783 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 20:17:43,031 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:43,033 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:43,407 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:43,488 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:43,488 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:43,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:43 BoogieIcfgContainer [2023-11-23 20:17:43,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:43,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:43,491 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:43,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:43,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:43" (1/1) ... [2023-11-23 20:17:43,503 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 20:17:43,507 INFO L158 Benchmark]: Toolchain (without parser) took 1699.90ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 67.8MB in the end (delta: 17.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,507 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:43,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.38ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 63.0MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.63ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,510 INFO L158 Benchmark]: Boogie Preprocessor took 93.74ms. Allocated memory is still 111.1MB. Free memory was 60.9MB in the beginning and 58.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,510 INFO L158 Benchmark]: RCFGBuilder took 802.19ms. Allocated memory is still 111.1MB. Free memory was 58.7MB in the beginning and 68.7MB in the end (delta: -10.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,511 INFO L158 Benchmark]: CodeCheck took 14.49ms. Allocated memory is still 111.1MB. Free memory was 68.7MB in the beginning and 67.8MB in the end (delta: 963.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:43,515 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 0.34ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.38ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 63.0MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.63ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.74ms. Allocated memory is still 111.1MB. Free memory was 60.9MB in the beginning and 58.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 802.19ms. Allocated memory is still 111.1MB. Free memory was 58.7MB in the beginning and 68.7MB in the end (delta: -10.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 14.49ms. Allocated memory is still 111.1MB. Free memory was 68.7MB in the beginning and 67.8MB in the end (delta: 963.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:43,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df12f0a3-ab4b-4edb-84ff-00517de0bf07/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