./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV --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 cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:15,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:15,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:42:15,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:15,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:15,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:15,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:15,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:15,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:15,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:15,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:15,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:15,260 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:15,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:15,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:15,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:15,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:15,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:15,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:15,266 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:15,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:15,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:15,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:15,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:15,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:15,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:15,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:15,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:15,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:15,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:15,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:15,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:15,276 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 [2023-11-11 23:42:15,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:15,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:15,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:15,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:15,651 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:15,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-11 23:42:18,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:19,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:19,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-11 23:42:19,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data/744cc4224/e275763fe877495cb5d687826c0fe950/FLAGe4d82ae43 [2023-11-11 23:42:19,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data/744cc4224/e275763fe877495cb5d687826c0fe950 [2023-11-11 23:42:19,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:19,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:19,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:19,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:19,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:19,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:19,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d7fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19, skipping insertion in model container [2023-11-11 23:42:19,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:19,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:19,766 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/sv-benchmarks/c/pthread-ext/25_stack.i[31168,31181] [2023-11-11 23:42:19,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:19,801 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:19,866 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/sv-benchmarks/c/pthread-ext/25_stack.i[31168,31181] [2023-11-11 23:42:19,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:19,930 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:19,930 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:19,938 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:19,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19 WrapperNode [2023-11-11 23:42:19,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:19,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:19,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:19,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:19,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:19,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,023 INFO L138 Inliner]: procedures = 179, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-11 23:42:20,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:20,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:20,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:20,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:20,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:20,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:20,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:20,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:20,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:19" (1/1) ... [2023-11-11 23:42:20,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:20,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:20,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:42:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:42:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-11 23:42:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-11 23:42:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:42:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:42:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:42:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-11 23:42:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-11 23:42:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:42:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-11 23:42:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-11 23:42:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:20,176 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:42:20,414 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:20,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:20,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:20,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:20,789 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:42:20,790 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:42:20,791 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-11 23:42:20,796 INFO L158 Benchmark]: Toolchain (without parser) took 1571.26ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 84.0MB in the end (delta: 47.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-11 23:42:20,796 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:20,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.46ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 110.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:42:20,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.91ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:20,798 INFO L158 Benchmark]: Boogie Preprocessor took 49.83ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 106.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:20,799 INFO L158 Benchmark]: RCFGBuilder took 719.33ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 84.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:20,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.46ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 110.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.91ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.83ms. Allocated memory is still 165.7MB. Free memory was 108.6MB in the beginning and 106.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.33ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 84.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:42:20,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV --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 cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:23,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:23,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-11 23:42:23,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:23,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:23,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:23,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:23,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:23,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:23,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:23,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:23,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:23,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:23,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:23,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:23,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:23,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:42:23,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:42:23,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:42:23,591 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:23,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:23,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:23,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:23,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:23,593 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:42:23,593 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:42:23,594 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:42:23,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:23,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:23,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:23,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:23,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:23,597 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:42:23,597 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:42:23,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:23,598 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:42:23,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:42:23,598 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 [2023-11-11 23:42:23,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:23,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:23,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:23,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:23,984 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:23,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-11 23:42:27,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:27,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:27,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-11 23:42:27,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data/f59177e32/3965bb49f38d4878a206c12251dbf12e/FLAGe435046c4 [2023-11-11 23:42:27,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/data/f59177e32/3965bb49f38d4878a206c12251dbf12e [2023-11-11 23:42:27,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:27,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:27,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:27,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:27,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:27,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:27" (1/1) ... [2023-11-11 23:42:27,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a312bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:27, skipping insertion in model container [2023-11-11 23:42:27,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:27" (1/1) ... [2023-11-11 23:42:27,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:28,097 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/sv-benchmarks/c/pthread-ext/25_stack.i[31168,31181] [2023-11-11 23:42:28,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:28,180 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:28,257 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_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/sv-benchmarks/c/pthread-ext/25_stack.i[31168,31181] [2023-11-11 23:42:28,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:28,314 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:28,315 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:28,323 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:28,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28 WrapperNode [2023-11-11 23:42:28,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:28,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:28,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:28,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:28,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,409 INFO L138 Inliner]: procedures = 183, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2023-11-11 23:42:28,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:28,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:28,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:28,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:28,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:28,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:28,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:28,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:28,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:28,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:28,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:28,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:42:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:42:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:42:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-11 23:42:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-11 23:42:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:42:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:42:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:42:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:28,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:42:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:42:28,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:42:28,593 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-11 23:42:28,593 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-11 23:42:28,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:42:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-11 23:42:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-11 23:42:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:28,596 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:42:28,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:28,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:29,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:29,319 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:29,320 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:42:29,321 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:42:29,321 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-11 23:42:29,330 INFO L158 Benchmark]: Toolchain (without parser) took 1713.72ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.6MB in the beginning and 72.3MB in the end (delta: -23.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-11 23:42:29,331 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:29,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.39ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 66.6MB in the end (delta: -18.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-11 23:42:29,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.01ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:29,334 INFO L158 Benchmark]: Boogie Preprocessor took 83.98ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:29,336 INFO L158 Benchmark]: RCFGBuilder took 832.22ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 72.3MB in the end (delta: -9.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:29,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.39ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 66.6MB in the end (delta: -18.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.01ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.98ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 832.22ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 72.3MB in the end (delta: -9.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:42:29,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3f7ec6-6bc1-4c5a-8937-da83e17f4d3a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?