./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 cf1a7837 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_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:40:42,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:40:42,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:40:42,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:40:42,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:40:42,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:40:42,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:40:42,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:40:42,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:40:42,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:40:42,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:40:42,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:40:42,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:40:42,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:40:42,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:40:42,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:40:42,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:40:42,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:40:42,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:40:42,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:40:42,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:40:42,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:40:42,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:40:42,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:40:42,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:40:42,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:40:42,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:40:42,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:42,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:40:42,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:40:42,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:40:42,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:40:42,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:40:42,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:40:42,453 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_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-11 23:40:42,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:40:42,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:40:42,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:40:42,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:40:42,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:40:42,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-11 23:40:45,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:40:46,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:40:46,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-11 23:40:46,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data/cf66c8eeb/c9690553c7f1419a812ac479fb677047/FLAG90b066f15 [2023-11-11 23:40:46,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data/cf66c8eeb/c9690553c7f1419a812ac479fb677047 [2023-11-11 23:40:46,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:40:46,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:40:46,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:46,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:40:46,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:40:46,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620a54e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46, skipping insertion in model container [2023-11-11 23:40:46,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:46,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:46,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:40:46,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:46,437 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:46,437 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:46,446 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:40:46,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46 WrapperNode [2023-11-11 23:40:46,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:46,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:46,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:40:46,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:40:46,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,486 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-11-11 23:40:46,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:46,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:40:46,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:40:46,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:40:46,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:40:46,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:40:46,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:40:46,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:40:46,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:40:46,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:40:46,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:40:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:40:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:40:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:40:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:40:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:40:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:40:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:40:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:40:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:40:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:40:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:40:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:40:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:40:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:40:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:40:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:40:46,603 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:40:46,751 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:40:46,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:40:47,075 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:40:47,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:40:47,156 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:40:47,157 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:40:47,158 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:40:47,164 INFO L158 Benchmark]: Toolchain (without parser) took 1018.76ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 63.7MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,165 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 140.5MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:47,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.42ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 82.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.29ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:47,170 INFO L158 Benchmark]: Boogie Preprocessor took 27.30ms. Allocated memory is still 140.5MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,171 INFO L158 Benchmark]: RCFGBuilder took 645.28ms. Allocated memory is still 140.5MB. Free memory was 79.9MB in the beginning and 63.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 140.5MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.42ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 82.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.29ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.30ms. Allocated memory is still 140.5MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 645.28ms. Allocated memory is still 140.5MB. Free memory was 79.9MB in the beginning and 63.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:40:47,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:40:49,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:40:50,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:40:50,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:40:50,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:40:50,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:40:50,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:40:50,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:40:50,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:40:50,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:40:50,150 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:40:50,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:40:50,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:40:50,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:40:50,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:40:50,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:40:50,155 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:40:50,155 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:40:50,156 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:40:50,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:40:50,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:40:50,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:40:50,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:40:50,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:40:50,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:40:50,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:40:50,160 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:40:50,161 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:40:50,162 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:40:50,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:40:50,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:50,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:40:50,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:40:50,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:40:50,165 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:40:50,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:40:50,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:40:50,166 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:40:50,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:40:50,167 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_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-11 23:40:50,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:40:50,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:40:50,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:40:50,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:40:50,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:40:50,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-11 23:40:53,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:40:54,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:40:54,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-11 23:40:54,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data/7ee76c305/99118d80bb724fdeb2991ab035167742/FLAG048bbf221 [2023-11-11 23:40:54,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/data/7ee76c305/99118d80bb724fdeb2991ab035167742 [2023-11-11 23:40:54,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:40:54,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:40:54,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:54,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:40:54,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:40:54,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27778ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54, skipping insertion in model container [2023-11-11 23:40:54,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:54,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:54,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:40:54,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:54,498 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:54,499 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:54,507 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:40:54,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54 WrapperNode [2023-11-11 23:40:54,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:54,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:54,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:40:54,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:40:54,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,565 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-11-11 23:40:54,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:54,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:40:54,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:40:54,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:40:54,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:40:54,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:40:54,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:40:54,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:40:54,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:54,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:40:54,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:40:54,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:40:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:40:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:40:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:40:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:40:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:40:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:40:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:40:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:40:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:40:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:40:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:40:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:40:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:40:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:40:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:40:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:40:54,775 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:40:54,893 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:40:54,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:40:55,215 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:40:55,340 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:40:55,341 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:40:55,341 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:40:55,343 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:40:55,350 INFO L158 Benchmark]: Toolchain (without parser) took 1187.96ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 53.6MB in the beginning and 75.7MB in the end (delta: -22.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:40:55,351 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:55,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.47ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 41.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:40:55,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.19ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 40.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:55,354 INFO L158 Benchmark]: Boogie Preprocessor took 59.83ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 38.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:40:55,355 INFO L158 Benchmark]: RCFGBuilder took 721.03ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 38.6MB in the beginning and 75.7MB in the end (delta: -37.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:40:55,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.47ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 41.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.19ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 40.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.83ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 38.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.03ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 38.6MB in the beginning and 75.7MB in the end (delta: -37.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:40:55,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e4800-5cb1-4c5f-88b9-8e46ef0a690b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?