./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL --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 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:50,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:50,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:20:50,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:50,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:50,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:50,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:50,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:50,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:50,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:50,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:50,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:50,160 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:50,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:50,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:50,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:50,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:50,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:50,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:50,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:20:50,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:50,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:50,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:50,167 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:50,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:50,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:50,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:50,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:50,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:50,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:50,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:50,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:50,173 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:50,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:50,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:50,174 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_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-11-19 03:20:50,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:50,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:50,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:50,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:50,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:50,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-19 03:20:53,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:54,054 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:54,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-19 03:20:54,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data/5e1a444c2/89b50bcd6272450d828786849a5c5735/FLAGc983ad560 [2023-11-19 03:20:54,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data/5e1a444c2/89b50bcd6272450d828786849a5c5735 [2023-11-19 03:20:54,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:54,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:54,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:54,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:54,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:54,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7b0bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54, skipping insertion in model container [2023-11-19 03:20:54,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:54,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:54,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:54,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:54,371 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:54,371 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:54,379 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:54,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54 WrapperNode [2023-11-19 03:20:54,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:54,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:54,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:54,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:54,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,426 INFO L138 Inliner]: procedures = 25, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-11-19 03:20:54,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:54,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:54,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:54,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:54,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:54,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:54,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:54,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:54,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:54" (1/1) ... [2023-11-19 03:20:54,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:54,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:54,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:54,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:54,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:20:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:20:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:20:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:20:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:20:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:20:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:20:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:20:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:20:54,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:20:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:20:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:20:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 03:20:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 03:20:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 03:20:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 03:20:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:20:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:20:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:54,580 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:20:54,756 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:54,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:55,141 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:55,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:55,444 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:20:55,446 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:20:55,450 INFO L158 Benchmark]: Toolchain (without parser) took 1359.25ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 131.1MB in the end (delta: -10.9MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-11-19 03:20:55,451 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:55,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.82ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 107.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:20:55,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.08ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:55,454 INFO L158 Benchmark]: Boogie Preprocessor took 46.91ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:55,455 INFO L158 Benchmark]: RCFGBuilder took 973.02ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 131.1MB in the end (delta: -27.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-19 03:20:55,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.82ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 107.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.08ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.91ms. Allocated memory is still 167.8MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 973.02ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 131.1MB in the end (delta: -27.7MB). Peak memory consumption was 43.2MB. 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:20:55,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL --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 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:58,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:58,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:20:58,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:58,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:58,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:58,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:58,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:58,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:58,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:58,217 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:58,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:58,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:58,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:58,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:58,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:58,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:20:58,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:20:58,222 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:20:58,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:20:58,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:58,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:58,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:58,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:58,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:58,226 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:58,226 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:58,227 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:58,227 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:58,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:58,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:58,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:58,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:58,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:58,230 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:20:58,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:58,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:58,231 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:20:58,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:58,232 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_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-11-19 03:20:58,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:58,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:58,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:58,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:58,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:58,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-19 03:21:01,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:01,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:01,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-19 03:21:01,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data/028c51348/c4c8525489f84e9aab65baa7ac9f96e2/FLAG3a06cbc71 [2023-11-19 03:21:01,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/data/028c51348/c4c8525489f84e9aab65baa7ac9f96e2 [2023-11-19 03:21:01,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:01,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:01,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:01,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:01,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:01,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:01" (1/1) ... [2023-11-19 03:21:01,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bffbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:01, skipping insertion in model container [2023-11-19 03:21:01,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:01" (1/1) ... [2023-11-19 03:21:02,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:02,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:02,264 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:02,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:02,333 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:02,334 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:02,342 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:02,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02 WrapperNode [2023-11-19 03:21:02,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:02,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:02,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:02,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:02,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,404 INFO L138 Inliner]: procedures = 27, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-19 03:21:02,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:02,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:02,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:02,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:02,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:02,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:02,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:02,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:02,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:02" (1/1) ... [2023-11-19 03:21:02,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:02,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:02,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:02,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:21:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:21:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:21:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:21:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:21:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 03:21:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 03:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 03:21:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 03:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:21:02,559 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:21:02,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:02,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:03,246 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:03,507 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:03,508 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:21:03,512 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:21:03,518 INFO L158 Benchmark]: Toolchain (without parser) took 1537.46ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 39.3MB in the beginning and 60.5MB in the end (delta: -21.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 03:21:03,519 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:03,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.73ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 39.1MB in the beginning and 83.0MB in the end (delta: -43.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-19 03:21:03,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.94ms. Allocated memory is still 104.9MB. Free memory was 83.0MB in the beginning and 81.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:03,522 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:03,523 INFO L158 Benchmark]: RCFGBuilder took 1066.25ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 60.5MB in the end (delta: 18.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:21:03,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.73ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 39.1MB in the beginning and 83.0MB in the end (delta: -43.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.94ms. Allocated memory is still 104.9MB. Free memory was 83.0MB in the beginning and 81.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1066.25ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 60.5MB in the end (delta: 18.7MB). Peak memory consumption was 29.4MB. 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:03,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340efdde-7010-4e69-ab5a-61b22950637a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?