./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack-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_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/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_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/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_9d468270-7590-4a7e-be9f-6bb18e44bab2/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 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:42,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:42,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:42,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:42,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:42,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:42,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:42,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:42,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:42,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:42,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:42,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:42,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:42,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:42,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:42,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:42,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:42,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:42,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:42,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:42,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:42,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:42,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:42,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:42,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:42,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:42,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:42,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:42,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:42,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:42,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:42,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:42,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:42,919 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_9d468270-7590-4a7e-be9f-6bb18e44bab2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 [2023-11-19 03:57:43,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:43,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:43,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:43,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:43,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:43,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-19 03:57:46,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:46,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:46,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-19 03:57:46,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data/c64d207dc/fca8660af9c7452bb5c81a1f9986f8ba/FLAG0b0eb884a [2023-11-19 03:57:46,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data/c64d207dc/fca8660af9c7452bb5c81a1f9986f8ba [2023-11-19 03:57:46,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:46,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:46,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:46,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:46,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:46,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:46" (1/1) ... [2023-11-19 03:57:46,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:46, skipping insertion in model container [2023-11-19 03:57:46,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:46" (1/1) ... [2023-11-19 03:57:46,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:47,311 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_9d468270-7590-4a7e-be9f-6bb18e44bab2/sv-benchmarks/c/pthread-ext/25_stack-pthread.i[31344,31357] [2023-11-19 03:57:47,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:47,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:47,417 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_9d468270-7590-4a7e-be9f-6bb18e44bab2/sv-benchmarks/c/pthread-ext/25_stack-pthread.i[31344,31357] [2023-11-19 03:57:47,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:47,482 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:47,483 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:47,491 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:47,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47 WrapperNode [2023-11-19 03:57:47,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:47,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:47,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:47,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:47,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,553 INFO L138 Inliner]: procedures = 171, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2023-11-19 03:57:47,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:47,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:47,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:47,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:47,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:47,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:47,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:47,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:47,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:47,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:47,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:57:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:57:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:57:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:57:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:57:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-19 03:57:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-19 03:57:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:57:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:47,671 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 03:57:47,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:47,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:48,047 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:48,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:48,156 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:48,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:48 BoogieIcfgContainer [2023-11-19 03:57:48,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:48,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:48,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:48,179 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:48,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:48" (1/1) ... [2023-11-19 03:57:48,181 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 03:57:48,185 INFO L158 Benchmark]: Toolchain (without parser) took 1329.38ms. Allocated memory is still 172.0MB. Free memory was 123.4MB in the beginning and 77.1MB in the end (delta: 46.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,185 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 172.0MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:48,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.81ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 102.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory is still 172.0MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,189 INFO L158 Benchmark]: Boogie Preprocessor took 33.79ms. Allocated memory is still 172.0MB. Free memory was 100.2MB in the beginning and 98.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,190 INFO L158 Benchmark]: RCFGBuilder took 577.66ms. Allocated memory is still 172.0MB. Free memory was 98.3MB in the beginning and 78.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,190 INFO L158 Benchmark]: CodeCheck took 15.44ms. Allocated memory is still 172.0MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 919.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:48,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 172.0MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.81ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 102.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory is still 172.0MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.79ms. Allocated memory is still 172.0MB. Free memory was 100.2MB in the beginning and 98.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.66ms. Allocated memory is still 172.0MB. Free memory was 98.3MB in the beginning and 78.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 15.44ms. Allocated memory is still 172.0MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 919.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:48,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/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_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/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_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/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_9d468270-7590-4a7e-be9f-6bb18e44bab2/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 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:51,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:51,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:57:51,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:51,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:51,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:51,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:51,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:51,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:51,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:51,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:51,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:51,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:51,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:51,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:51,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:51,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:57:51,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:57:51,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:57:51,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:51,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:51,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:51,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:51,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:51,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:51,347 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:51,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:51,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:51,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:51,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:51,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:51,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:51,351 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:57:51,351 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:51,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:51,352 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:57:51,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:51,352 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_9d468270-7590-4a7e-be9f-6bb18e44bab2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ceb3f3e6275485c63fced12b91c17e53ff4ff51a32d000ec6d2fb8f40929150 [2023-11-19 03:57:51,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:51,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:51,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:51,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:51,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:51,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-19 03:57:55,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:55,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:55,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/sv-benchmarks/c/pthread-ext/25_stack-pthread.i [2023-11-19 03:57:55,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data/2e27e785a/e577264738894c7397dffb143f050a11/FLAG7de7e52f9 [2023-11-19 03:57:55,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/data/2e27e785a/e577264738894c7397dffb143f050a11 [2023-11-19 03:57:55,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:55,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:55,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:55,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:55,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:55,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6ee94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55, skipping insertion in model container [2023-11-19 03:57:55,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:56,096 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_9d468270-7590-4a7e-be9f-6bb18e44bab2/sv-benchmarks/c/pthread-ext/25_stack-pthread.i[31344,31357] [2023-11-19 03:57:56,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:56,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:56,196 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_9d468270-7590-4a7e-be9f-6bb18e44bab2/sv-benchmarks/c/pthread-ext/25_stack-pthread.i[31344,31357] [2023-11-19 03:57:56,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:56,292 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:56,293 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:56,300 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:56,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56 WrapperNode [2023-11-19 03:57:56,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:56,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:56,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:56,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:56,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,387 INFO L138 Inliner]: procedures = 175, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-11-19 03:57:56,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:56,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:56,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:56,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:56,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:56,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:56,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:56,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:56,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:56" (1/1) ... [2023-11-19 03:57:56,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:56,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:56,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:56,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:57:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:57:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-19 03:57:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-19 03:57:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:57:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:56,499 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 03:57:56,685 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:56,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:56,996 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:57,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:57,116 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:57,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:57 BoogieIcfgContainer [2023-11-19 03:57:57,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:57,121 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:57,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:57,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:57,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,135 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 03:57:57,142 INFO L158 Benchmark]: Toolchain (without parser) took 1475.85ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 58.7MB in the beginning and 86.0MB in the end (delta: -27.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-19 03:57:57,142 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:57,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.29ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 60.4MB in the end (delta: -2.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:57,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.14ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 57.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:57,146 INFO L158 Benchmark]: Boogie Preprocessor took 38.61ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 55.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:57,147 INFO L158 Benchmark]: RCFGBuilder took 693.26ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 55.9MB in the beginning and 87.0MB in the end (delta: -31.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:57,148 INFO L158 Benchmark]: CodeCheck took 18.22ms. Allocated memory is still 113.2MB. Free memory was 86.5MB in the beginning and 86.0MB in the end (delta: 507.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:57,159 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 0.21ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.29ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 60.4MB in the end (delta: -2.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.14ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 57.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.61ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 55.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.26ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 55.9MB in the beginning and 87.0MB in the end (delta: -31.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * CodeCheck took 18.22ms. Allocated memory is still 113.2MB. Free memory was 86.5MB in the beginning and 86.0MB in the end (delta: 507.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:57,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d468270-7590-4a7e-be9f-6bb18e44bab2/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