./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 527bcce2 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_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:51:41,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:41,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:51:41,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:41,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:41,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:41,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:41,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:41,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:41,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:41,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:41,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:41,551 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:41,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:41,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:41,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:41,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:41,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:41,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:41,555 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:51:41,555 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:41,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:41,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:41,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:41,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:41,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:41,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:41,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:41,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:41,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:41,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:41,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:41,561 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:41,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:41,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:41,562 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_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-21 18:51:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:41,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:41,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:41,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:41,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:41,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-21 18:51:45,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:45,275 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:45,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-21 18:51:45,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data/5bc00f8fd/d95db8b563144f10b61a2b5e57e0093e/FLAG0853eaeea [2023-11-21 18:51:45,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data/5bc00f8fd/d95db8b563144f10b61a2b5e57e0093e [2023-11-21 18:51:45,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:45,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:45,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:45,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:45,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:45,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55237cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45, skipping insertion in model container [2023-11-21 18:51:45,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:45,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:45,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:45,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:45,576 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:45,577 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:45,585 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:45,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45 WrapperNode [2023-11-21 18:51:45,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:45,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:45,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:45,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:45,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,622 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-11-21 18:51:45,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:45,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:45,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:45,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:45,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:45,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:45,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:45,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:45,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:45" (1/1) ... [2023-11-21 18:51:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:45,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:45,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:45,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:51:45,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:51:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:51:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:51:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:51:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:51:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:45,756 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:51:45,886 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:45,888 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:46,196 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:46,268 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:51:46,272 INFO L158 Benchmark]: Toolchain (without parser) took 959.59ms. Allocated memory is still 192.9MB. Free memory was 162.5MB in the beginning and 156.3MB in the end (delta: 6.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-21 18:51:46,273 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:46,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.20ms. Allocated memory is still 192.9MB. Free memory was 162.3MB in the beginning and 154.5MB in the end (delta: 7.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-21 18:51:46,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.32ms. Allocated memory is still 192.9MB. Free memory was 154.5MB in the beginning and 152.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:51:46,275 INFO L158 Benchmark]: Boogie Preprocessor took 36.99ms. Allocated memory is still 192.9MB. Free memory was 152.4MB in the beginning and 151.5MB in the end (delta: 871.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:46,276 INFO L158 Benchmark]: RCFGBuilder took 609.42ms. Allocated memory is still 192.9MB. Free memory was 151.5MB in the beginning and 156.3MB in the end (delta: -4.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:51:46,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.20ms. Allocated memory is still 192.9MB. Free memory was 162.3MB in the beginning and 154.5MB in the end (delta: 7.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.32ms. Allocated memory is still 192.9MB. Free memory was 154.5MB in the beginning and 152.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.99ms. Allocated memory is still 192.9MB. Free memory was 152.4MB in the beginning and 151.5MB in the end (delta: 871.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 609.42ms. Allocated memory is still 192.9MB. Free memory was 151.5MB in the beginning and 156.3MB in the end (delta: -4.7MB). Peak memory consumption was 14.7MB. 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:51:46,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/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_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:51:48,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:49,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:51:49,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:49,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:49,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:49,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:49,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:49,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:49,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:49,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:49,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:49,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:49,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:49,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:49,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:49,168 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:51:49,169 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:51:49,169 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:51:49,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:51:49,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:49,171 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:49,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:49,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:49,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:49,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:49,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:49,174 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:49,174 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:51:49,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:49,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:49,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:49,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:49,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:49,178 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:51:49,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:49,178 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:49,179 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:51:49,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:51:49,180 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_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-21 18:51:49,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:49,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:49,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:49,672 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:49,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:49,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-21 18:51:52,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:53,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:53,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-21 18:51:53,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data/d4c2db230/e522391ce375435fb00e05207db3e78a/FLAG66ab061cf [2023-11-21 18:51:53,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/data/d4c2db230/e522391ce375435fb00e05207db3e78a [2023-11-21 18:51:53,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:53,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:53,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:53,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:53,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:53,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee0a04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53, skipping insertion in model container [2023-11-21 18:51:53,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:53,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:53,591 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:53,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:53,649 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:53,651 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:53,660 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:53,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53 WrapperNode [2023-11-21 18:51:53,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:53,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:53,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:53,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:53,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,707 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-11-21 18:51:53,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:53,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:53,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:53,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:53,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:53,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:53,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:53,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:53,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:53" (1/1) ... [2023-11-21 18:51:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:53,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:53,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:53,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:51:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:51:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:51:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:51:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:51:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:51:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:51:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:51:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:51:53,832 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:51:54,003 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:54,006 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:54,353 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:54,483 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:51:54,489 INFO L158 Benchmark]: Toolchain (without parser) took 1216.85ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 32.4MB in the end (delta: 13.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:51:54,490 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:54,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.41ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 33.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:51:54,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.18ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 32.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:54,493 INFO L158 Benchmark]: Boogie Preprocessor took 33.79ms. Allocated memory is still 69.2MB. Free memory was 32.2MB in the beginning and 30.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:51:54,494 INFO L158 Benchmark]: RCFGBuilder took 744.24ms. Allocated memory is still 69.2MB. Free memory was 30.8MB in the beginning and 32.4MB in the end (delta: -1.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:54,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.41ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 33.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.18ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 32.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.79ms. Allocated memory is still 69.2MB. Free memory was 32.2MB in the beginning and 30.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.24ms. Allocated memory is still 69.2MB. Free memory was 30.8MB in the beginning and 32.4MB in the end (delta: -1.6MB). Peak memory consumption was 6.3MB. 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:51:54,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacbbf0a-dee3-4a43-9a49-bcbffaae96e0/bin/ukojak-verify-i0I2FZA1j2/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?