./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-easy6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/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_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/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_e18d627a-00f1-4d0e-b5ef-24feea56f751/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 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:07,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:07,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:02:07,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:07,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:07,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:07,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:07,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:07,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:07,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:07,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:07,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:07,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:07,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:07,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:07,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:07,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:07,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:07,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:07,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:07,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:07,574 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:07,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:07,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:07,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:07,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:07,576 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:07,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:07,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:07,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:07,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:07,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:07,580 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:07,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:07,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:07,581 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_e18d627a-00f1-4d0e-b5ef-24feea56f751/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-19 03:02:07,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:07,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:07,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:07,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:07,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:07,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:02:10,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:11,129 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:11,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:02:11,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data/19e13e29d/b4f8cf9a856847e8961e440bb2aa2c5c/FLAGa21ba9553 [2023-11-19 03:02:11,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data/19e13e29d/b4f8cf9a856847e8961e440bb2aa2c5c [2023-11-19 03:02:11,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:11,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:11,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:11,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:11,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:11,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fbf55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11, skipping insertion in model container [2023-11-19 03:02:11,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:11,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:11,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:11,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:11,464 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:11,464 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:11,472 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:11,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11 WrapperNode [2023-11-19 03:02:11,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:11,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:11,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:11,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:11,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,514 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-11-19 03:02:11,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:11,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:11,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:11,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:11,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:11,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:11,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:11,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:11,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:11,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:11,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:11,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:02:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:02:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:02:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:02:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:02:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:02:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:02:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:02:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:02:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:02:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:11,627 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 03:02:11,736 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:11,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:11,974 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:12,094 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:12,095 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:02:12,100 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 03:02:12,105 INFO L158 Benchmark]: Toolchain (without parser) took 916.29ms. Allocated memory is still 169.9MB. Free memory was 141.0MB in the beginning and 108.4MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:02:12,106 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 90.8MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:12,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.80ms. Allocated memory is still 169.9MB. Free memory was 141.0MB in the beginning and 129.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:02:12,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.83ms. Allocated memory is still 169.9MB. Free memory was 129.6MB in the beginning and 127.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:12,110 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 126.7MB in the end (delta: 858.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:12,112 INFO L158 Benchmark]: RCFGBuilder took 558.88ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 108.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:02:12,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 90.8MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.80ms. Allocated memory is still 169.9MB. Free memory was 141.0MB in the beginning and 129.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.83ms. Allocated memory is still 169.9MB. Free memory was 129.6MB in the beginning and 127.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 126.7MB in the end (delta: 858.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.88ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 108.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:12,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/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_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/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_e18d627a-00f1-4d0e-b5ef-24feea56f751/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 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:14,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:15,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:02:15,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:15,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:15,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:15,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:15,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:15,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:15,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:15,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:15,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:15,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:15,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:15,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:15,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:15,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:02:15,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:02:15,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:15,212 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:02:15,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:15,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:15,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:15,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:15,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:15,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:15,215 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:15,215 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:15,216 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:15,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:15,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:15,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:15,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:15,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:15,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:02:15,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:15,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:15,219 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:02:15,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:15,221 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_e18d627a-00f1-4d0e-b5ef-24feea56f751/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-19 03:02:15,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:15,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:15,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:15,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:15,703 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:15,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:02:18,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:19,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:19,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:02:19,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data/8195bc9a2/d09dd48da6de445dbb4b2dc5136248d0/FLAGa352e62f2 [2023-11-19 03:02:19,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/data/8195bc9a2/d09dd48da6de445dbb4b2dc5136248d0 [2023-11-19 03:02:19,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:19,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:19,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:19,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:19,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:19,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a68183f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19, skipping insertion in model container [2023-11-19 03:02:19,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:19,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:19,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:19,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:19,499 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:19,500 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:19,512 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:19,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19 WrapperNode [2023-11-19 03:02:19,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:19,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:19,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:19,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:19,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,570 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-11-19 03:02:19,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:19,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:19,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:19,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:19,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:19,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:19,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:19,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:19,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:19,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:19,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:19,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:02:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:02:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:02:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:02:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:02:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:02:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:02:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:02:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:02:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:02:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:02:19,760 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 03:02:19,914 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:19,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:20,249 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:20,355 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:20,359 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:02:20,361 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 03:02:20,368 INFO L158 Benchmark]: Toolchain (without parser) took 1210.00ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 47.4MB in the beginning and 56.2MB in the end (delta: -8.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 03:02:20,369 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:20,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.56ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 35.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:20,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 71.3MB. Free memory was 35.5MB in the beginning and 33.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:20,372 INFO L158 Benchmark]: Boogie Preprocessor took 67.41ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 33.9MB in the beginning and 75.5MB in the end (delta: -41.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 03:02:20,373 INFO L158 Benchmark]: RCFGBuilder took 726.42ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 56.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:02:20,381 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.56ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 35.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 71.3MB. Free memory was 35.5MB in the beginning and 33.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.41ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 33.9MB in the beginning and 75.5MB in the end (delta: -41.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 726.42ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 56.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:20,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18d627a-00f1-4d0e-b5ef-24feea56f751/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?