./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/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_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/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_52c13748-b081-480a-a1d7-0e9b9ec26b71/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 ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:29,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:29,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:24:29,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:29,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:29,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:29,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:29,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:29,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:29,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:29,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:29,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:29,862 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:29,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:29,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:29,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:29,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:29,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:29,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:29,867 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:29,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:29,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:29,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:29,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:29,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:29,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:29,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:29,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:29,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:29,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:29,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:29,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:29,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:29,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:29,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:29,877 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_52c13748-b081-480a-a1d7-0e9b9ec26b71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e [2023-11-23 20:24:30,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:30,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:30,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:30,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:30,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:30,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-23 20:24:33,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:33,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:33,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-23 20:24:33,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data/7ee34da17/afbbb1d27a6440dab5dc84c345b183c9/FLAGa486b6eae [2023-11-23 20:24:33,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data/7ee34da17/afbbb1d27a6440dab5dc84c345b183c9 [2023-11-23 20:24:33,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:33,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:33,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:33,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:33,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:33,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:33" (1/1) ... [2023-11-23 20:24:33,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e98a785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:33, skipping insertion in model container [2023-11-23 20:24:33,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:33" (1/1) ... [2023-11-23 20:24:33,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:34,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:34,069 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:34,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:34,152 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:34,152 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:34,162 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:34,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34 WrapperNode [2023-11-23 20:24:34,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:34,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:34,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:34,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:34,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,232 INFO L138 Inliner]: procedures = 26, calls = 116, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 167 [2023-11-23 20:24:34,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:34,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:34,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:34,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:34,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:34,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:34,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:34,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:34,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:34" (1/1) ... [2023-11-23 20:24:34,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:34,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:34,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:34,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:24:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:24:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:24:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:24:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:24:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:24:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:24:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:24:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:24:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:24:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:24:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-23 20:24:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-23 20:24:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:24:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:24:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:34,418 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 20:24:34,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:34,565 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:35,170 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:35,348 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 20:24:35,354 INFO L158 Benchmark]: Toolchain (without parser) took 1612.88ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 108.3MB in the beginning and 153.5MB in the end (delta: -45.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-23 20:24:35,354 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 153.1MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:24:35,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.69ms. Allocated memory is still 153.1MB. Free memory was 108.0MB in the beginning and 95.2MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:24:35,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.07ms. Allocated memory is still 153.1MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:35,357 INFO L158 Benchmark]: Boogie Preprocessor took 69.38ms. Allocated memory is still 153.1MB. Free memory was 92.8MB in the beginning and 91.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:35,358 INFO L158 Benchmark]: RCFGBuilder took 1047.24ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 91.0MB in the beginning and 153.5MB in the end (delta: -62.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-23 20:24:35,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 153.1MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.69ms. Allocated memory is still 153.1MB. Free memory was 108.0MB in the beginning and 95.2MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.07ms. Allocated memory is still 153.1MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.38ms. Allocated memory is still 153.1MB. Free memory was 92.8MB in the beginning and 91.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1047.24ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 91.0MB in the beginning and 153.5MB in the end (delta: -62.6MB). Peak memory consumption was 24.9MB. 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 20:24:35,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/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_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/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_52c13748-b081-480a-a1d7-0e9b9ec26b71/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 ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:38,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:38,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:24:38,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:38,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:38,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:38,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:38,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:38,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:38,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:38,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:38,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:38,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:38,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:38,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:38,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:38,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:24:38,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:24:38,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:38,601 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:24:38,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:38,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:38,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:38,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:38,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:38,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:38,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:38,606 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:24:38,606 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:24:38,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:38,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:38,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:38,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:38,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:38,610 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:24:38,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:24:38,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:38,611 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:24:38,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:24:38,612 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_52c13748-b081-480a-a1d7-0e9b9ec26b71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e [2023-11-23 20:24:39,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:39,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:39,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:39,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:39,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:39,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-23 20:24:42,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:42,645 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:42,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-23 20:24:42,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data/d39794193/cda60d8447ec41a2928d56301bc0ff5d/FLAG73f829ed0 [2023-11-23 20:24:42,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/data/d39794193/cda60d8447ec41a2928d56301bc0ff5d [2023-11-23 20:24:42,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:42,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:42,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:42,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:42,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:42,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:42" (1/1) ... [2023-11-23 20:24:42,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a146cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:42, skipping insertion in model container [2023-11-23 20:24:42,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:42" (1/1) ... [2023-11-23 20:24:42,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:43,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:43,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:43,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:43,077 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:43,077 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:43,086 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:43,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43 WrapperNode [2023-11-23 20:24:43,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:43,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:43,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:43,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:43,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,190 INFO L138 Inliner]: procedures = 28, calls = 116, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 157 [2023-11-23 20:24:43,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:43,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:43,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:43,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:43,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:43,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:43,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:43,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:43,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:43" (1/1) ... [2023-11-23 20:24:43,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:43,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:43,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:43,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:24:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:24:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:24:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:24:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:24:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:24:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:24:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:24:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:24:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:24:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:24:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:24:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:24:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:24:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:24:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:24:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-23 20:24:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-23 20:24:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:24:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:24:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:24:43,375 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 20:24:43,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:43,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:44,181 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:44,473 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 20:24:44,479 INFO L158 Benchmark]: Toolchain (without parser) took 1803.52ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.0MB in the beginning and 52.6MB in the end (delta: -7.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:44,480 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:24:44,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.79ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.6MB in the beginning and 71.7MB in the end (delta: -27.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-23 20:24:44,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.61ms. Allocated memory is still 92.3MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:24:44,484 INFO L158 Benchmark]: Boogie Preprocessor took 61.53ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 67.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:24:44,485 INFO L158 Benchmark]: RCFGBuilder took 1223.54ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 52.6MB in the end (delta: 14.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 20:24:44,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.79ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.6MB in the beginning and 71.7MB in the end (delta: -27.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.61ms. Allocated memory is still 92.3MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.53ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 67.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1223.54ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 52.6MB in the end (delta: 14.9MB). Peak memory consumption was 41.9MB. 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 20:24:44,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c13748-b081-480a-a1d7-0e9b9ec26b71/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?