./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:56,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:56,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:56,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:56,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:56,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:56,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:56,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:56,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:56,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:56,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:56,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:56,708 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:56,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:56,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:56,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:56,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:56,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:56,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:56,714 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:56,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:56,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:56,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:56,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:56,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:56,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:56,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:56,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:56,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:56,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:56,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:56,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:56,722 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:56,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:56,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:56,722 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_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 [2023-11-23 20:09:57,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:57,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:57,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:57,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:57,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:57,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-11-23 20:10:00,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:00,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:00,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-11-23 20:10:00,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data/07fdad19a/19ef0a71b29b4d9c81544d2bdccf50bc/FLAG6285c3396 [2023-11-23 20:10:00,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data/07fdad19a/19ef0a71b29b4d9c81544d2bdccf50bc [2023-11-23 20:10:00,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:00,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:00,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:00,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:00,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:00,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:00,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed1155b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00, skipping insertion in model container [2023-11-23 20:10:00,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:00,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:00,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:00,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:00,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:00,932 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:00,933 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:00,941 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:00,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00 WrapperNode [2023-11-23 20:10:00,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:00,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:00,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:00,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:00,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:00,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:00,997 INFO L138 Inliner]: procedures = 27, calls = 131, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 186 [2023-11-23 20:10:00,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:00,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:00,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:00,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:01,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:01,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:01,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:01,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:01,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:01,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:01,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:01,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:01,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:10:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:10:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:10:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:10:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:10:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:10:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:10:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:10:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:10:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:10:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:10:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:10:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:10:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:10:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-23 20:10:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-23 20:10:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2023-11-23 20:10:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2023-11-23 20:10:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:10:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:10:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:01,165 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:10:01,337 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:01,338 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:01,961 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:02,175 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:10:02,179 INFO L158 Benchmark]: Toolchain (without parser) took 1598.80ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 102.3MB in the beginning and 112.6MB in the end (delta: -10.3MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:02,180 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 85.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:02,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.71ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 89.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:10:02,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:02,183 INFO L158 Benchmark]: Boogie Preprocessor took 46.09ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:02,185 INFO L158 Benchmark]: RCFGBuilder took 1132.18ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 84.8MB in the beginning and 112.6MB in the end (delta: -27.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-23 20:10:02,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 85.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.71ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 89.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.09ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1132.18ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 84.8MB in the beginning and 112.6MB in the end (delta: -27.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:02,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:04,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:05,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:10:05,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:05,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:05,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:05,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:05,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:05,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:05,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:05,075 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:05,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:05,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:05,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:05,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:05,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:05,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:10:05,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:10:05,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:05,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:10:05,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:05,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:05,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:05,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:05,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:05,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:05,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:05,085 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:05,085 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:05,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:05,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:05,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:05,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:05,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:05,088 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:10:05,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:05,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:05,089 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:10:05,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:05,089 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_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 [2023-11-23 20:10:05,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:05,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:05,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:05,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:05,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:05,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-11-23 20:10:08,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:09,239 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:09,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-11-23 20:10:09,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data/edf622a35/45695277a929472fb86d864af074a8da/FLAG759c6f268 [2023-11-23 20:10:09,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/data/edf622a35/45695277a929472fb86d864af074a8da [2023-11-23 20:10:09,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:09,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:09,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:09,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:09,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:09,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5272f7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09, skipping insertion in model container [2023-11-23 20:10:09,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:09,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:09,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:09,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:09,779 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:09,780 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:09,795 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:09,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09 WrapperNode [2023-11-23 20:10:09,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:09,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:09,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:09,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:09,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,907 INFO L138 Inliner]: procedures = 29, calls = 131, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 175 [2023-11-23 20:10:09,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:09,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:09,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:09,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:09,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:09,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:09,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:09,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:09,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:10,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:10,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:10:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:10:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:10:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:10:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:10:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:10:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:10:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:10:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:10:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:10:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:10:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:10:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:10:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:10:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:10:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:10:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-23 20:10:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-23 20:10:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2023-11-23 20:10:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2023-11-23 20:10:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:10:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:10:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:10:10,102 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:10:10,320 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:10,324 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:10,924 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:11,242 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:10:11,250 INFO L158 Benchmark]: Toolchain (without parser) took 1980.77ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.2MB in the beginning and 60.8MB in the end (delta: -15.6MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:11,251 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:11,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.02ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 75.4MB in the end (delta: -30.3MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-23 20:10:11,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.70ms. Allocated memory is still 96.5MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:11,254 INFO L158 Benchmark]: Boogie Preprocessor took 74.48ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:11,254 INFO L158 Benchmark]: RCFGBuilder took 1259.68ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 60.8MB in the end (delta: 10.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-23 20:10:11,263 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.02ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 75.4MB in the end (delta: -30.3MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.70ms. Allocated memory is still 96.5MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.48ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1259.68ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 60.8MB in the end (delta: 10.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:11,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55b9791-0942-41bb-8164-454dacdf2994/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?