./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 9bd2c7ff 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 02:59:31,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:31,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:59:31,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:31,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:31,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:31,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:31,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:31,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:31,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:31,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:31,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:31,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:31,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:31,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:31,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:31,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:31,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:31,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:31,642 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:31,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:31,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:31,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:31,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:31,645 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:31,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:31,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:31,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:31,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:31,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:31,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:31,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:31,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:31,650 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-19 02:59:31,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:31,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:31,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:31,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:31,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:31,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 02:59:35,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:35,506 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:35,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 02:59:35,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data/def0d3bf3/5920c48366264179a66f0ef7134dd69f/FLAG18b4f49ed [2023-11-19 02:59:35,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data/def0d3bf3/5920c48366264179a66f0ef7134dd69f [2023-11-19 02:59:35,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:35,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:35,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:35,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:35,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:35,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:35" (1/1) ... [2023-11-19 02:59:35,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b1216c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:35, skipping insertion in model container [2023-11-19 02:59:35,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:35" (1/1) ... [2023-11-19 02:59:35,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:36,003 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-19 02:59:36,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:36,029 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:36,072 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-19 02:59:36,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:36,118 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:36,119 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:36,127 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:36,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36 WrapperNode [2023-11-19 02:59:36,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:36,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:36,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:36,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:36,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,212 INFO L138 Inliner]: procedures = 171, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2023-11-19 02:59:36,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:36,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:36,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:36,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:36,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:36,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:36,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:36,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:36,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:36,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:36,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:36,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 02:59:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 02:59:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:59:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:59:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:59:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:59:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:59:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-19 02:59:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-19 02:59:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:59:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:36,354 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:59:36,485 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:36,487 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:36,765 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:36,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:36,867 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:59:36,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:36 BoogieIcfgContainer [2023-11-19 02:59:36,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:36,872 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:36,872 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:36,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:36,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,882 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) [2023-11-19 02:59:36,886 INFO L158 Benchmark]: Toolchain (without parser) took 1346.92ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 119.1MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,886 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.05ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 88.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.58ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 86.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,888 INFO L158 Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 157.3MB. Free memory was 86.7MB in the beginning and 85.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,889 INFO L158 Benchmark]: RCFGBuilder took 598.26ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 120.3MB in the end (delta: -35.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,890 INFO L158 Benchmark]: CodeCheck took 13.08ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 119.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,893 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.05ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 88.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.58ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 86.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.86ms. Allocated memory is still 157.3MB. Free memory was 86.7MB in the beginning and 85.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.26ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 120.3MB in the end (delta: -35.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 13.08ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 119.1MB 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. [2023-11-19 02:59:36,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 02:59:39,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:39,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:59:39,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:39,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:39,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:39,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:39,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:39,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:39,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:39,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:39,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:39,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:39,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:39,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:39,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:39,862 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:59:39,862 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:59:39,863 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:59:39,864 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:39,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:39,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:39,865 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:39,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:39,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:39,867 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:39,867 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:39,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:39,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:39,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:39,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:39,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:39,871 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:59:39,871 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:39,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:39,872 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:59:39,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:39,872 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-19 02:59:40,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:40,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:40,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:40,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:40,270 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:40,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 02:59:43,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:43,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:43,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 02:59:43,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data/b0d8ce06e/9298f6a3f4d048adae4091236d086d08/FLAG89f1d0035 [2023-11-19 02:59:43,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/data/b0d8ce06e/9298f6a3f4d048adae4091236d086d08 [2023-11-19 02:59:43,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:44,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:44,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:44,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:44,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:44,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:43" (1/1) ... [2023-11-19 02:59:44,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74678d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44, skipping insertion in model container [2023-11-19 02:59:44,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:43" (1/1) ... [2023-11-19 02:59:44,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:44,472 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-19 02:59:44,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:44,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:44,574 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_dac0c11b-84a7-4afa-be2a-48c6122d0b91/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i[31359,31372] [2023-11-19 02:59:44,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:44,652 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:44,653 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:44,660 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:44,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44 WrapperNode [2023-11-19 02:59:44,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:44,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:44,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:44,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:44,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,763 INFO L138 Inliner]: procedures = 175, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-11-19 02:59:44,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:44,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:44,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:44,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:44,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:44,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:44,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:44,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:44,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:44,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:44,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:44,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 02:59:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 02:59:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:59:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:59:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:59:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:59:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:59:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:59:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 02:59:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-19 02:59:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-19 02:59:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:59:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:44,952 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:59:45,172 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:45,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:45,455 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:45,558 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:45,558 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:59:45,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:45 BoogieIcfgContainer [2023-11-19 02:59:45,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:45,563 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:45,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:45,573 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:45,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:45" (1/1) ... [2023-11-19 02:59:45,574 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) [2023-11-19 02:59:45,578 INFO L158 Benchmark]: Toolchain (without parser) took 1577.45ms. Allocated memory is still 104.9MB. Free memory was 80.0MB in the beginning and 56.7MB in the end (delta: 23.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,579 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:45,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.32ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 58.0MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.08ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 82.9MB in the end (delta: -24.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,581 INFO L158 Benchmark]: Boogie Preprocessor took 97.34ms. Allocated memory is still 104.9MB. Free memory was 82.9MB in the beginning and 80.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,582 INFO L158 Benchmark]: RCFGBuilder took 700.11ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 57.8MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,582 INFO L158 Benchmark]: CodeCheck took 13.92ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 56.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:45,586 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 0.25ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.32ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 58.0MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.08ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 82.9MB in the end (delta: -24.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.34ms. Allocated memory is still 104.9MB. Free memory was 82.9MB in the beginning and 80.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.11ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 57.8MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 13.92ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 56.7MB 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. [2023-11-19 02:59:45,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac0c11b-84a7-4afa-be2a-48c6122d0b91/bin/ukojak-verify-G8NBE6pJGL/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