./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/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_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/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_4f7b04af-3132-49b2-86c8-ffdad93271a3/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 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:29,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:29,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:29,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:29,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:29,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:29,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:29,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:29,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:29,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:29,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:29,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:29,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:29,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:29,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:29,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:29,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:29,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:29,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:29,967 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:29,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:29,973 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:29,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:29,974 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:29,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:29,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:29,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:29,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:29,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:29,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:29,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:29,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:29,980 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:29,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:29,980 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:29,980 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_4f7b04af-3132-49b2-86c8-ffdad93271a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2023-11-21 18:52:30,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:30,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:30,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:30,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:30,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:30,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2023-11-21 18:52:33,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:33,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:33,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2023-11-21 18:52:33,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data/c7f7f8b53/7ac4a464e37d4d9bb610a5971fdbb16f/FLAG1c11ed783 [2023-11-21 18:52:33,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data/c7f7f8b53/7ac4a464e37d4d9bb610a5971fdbb16f [2023-11-21 18:52:33,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:33,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:33,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:33,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:33,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:33,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:33,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f797be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:33, skipping insertion in model container [2023-11-21 18:52:33,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:33" (1/1) ... [2023-11-21 18:52:34,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:34,192 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:52:34,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:34,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:34,451 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:52:34,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:34,539 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:34,539 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:34,539 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:34,548 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:34,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34 WrapperNode [2023-11-21 18:52:34,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:34,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:34,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:34,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:34,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,597 INFO L138 Inliner]: procedures = 174, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-21 18:52:34,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:34,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:34,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:34,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:34,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:34,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:34,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:34,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:34,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:34,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:34,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:34,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:52:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:52:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:52:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:52:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:52:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:52:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:52:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:34,717 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 18:52:34,837 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:34,839 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:34,974 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:35,008 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 18:52:35,016 INFO L158 Benchmark]: Toolchain (without parser) took 1071.70ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 88.0MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 18:52:35,017 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:35,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.77ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 104.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:52:35,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.14ms. Allocated memory is still 165.7MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:35,019 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 101.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:35,020 INFO L158 Benchmark]: RCFGBuilder took 383.21ms. Allocated memory is still 165.7MB. Free memory was 101.0MB in the beginning and 88.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:52:35,024 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 115.3MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.77ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 104.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.14ms. Allocated memory is still 165.7MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 101.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.21ms. Allocated memory is still 165.7MB. Free memory was 101.0MB in the beginning and 88.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. 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 18:52:35,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/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_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/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_4f7b04af-3132-49b2-86c8-ffdad93271a3/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 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:38,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:38,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:52:38,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:38,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:38,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:38,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:38,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:38,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:38,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:38,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:38,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:38,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:38,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:38,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:38,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:38,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:52:38,220 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:52:38,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:38,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:52:38,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:38,223 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:38,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:38,224 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:38,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:38,225 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:38,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:38,226 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:38,226 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:52:38,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:38,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:38,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:38,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:38,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:38,230 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:52:38,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:38,230 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:38,230 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:52:38,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:52:38,232 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2023-11-21 18:52:38,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:38,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:38,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:38,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:38,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:38,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2023-11-21 18:52:42,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:42,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:42,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2023-11-21 18:52:42,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data/50cad769b/06636dfe02e747e78a5cdd894d132b72/FLAG62cb25e82 [2023-11-21 18:52:42,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/data/50cad769b/06636dfe02e747e78a5cdd894d132b72 [2023-11-21 18:52:42,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:42,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:42,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:42,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:42,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:42,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:42" (1/1) ... [2023-11-21 18:52:42,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4c951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:42, skipping insertion in model container [2023-11-21 18:52:42,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:42" (1/1) ... [2023-11-21 18:52:43,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:43,241 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:52:43,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:43,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:43,561 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:52:43,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:43,643 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:43,644 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:43,644 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:43,652 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:43,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43 WrapperNode [2023-11-21 18:52:43,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:43,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:43,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:43,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:43,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,705 INFO L138 Inliner]: procedures = 177, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-21 18:52:43,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:43,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:43,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:43,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:43,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:43,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:43,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:43,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:43,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:43" (1/1) ... [2023-11-21 18:52:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:43,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:43,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:43,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:52:43,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:52:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:52:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:52:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:52:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:52:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:52:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:52:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:52:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:52:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:43,880 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 18:52:44,113 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:44,116 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:44,359 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:44,408 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 18:52:44,416 INFO L158 Benchmark]: Toolchain (without parser) took 1430.51ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 48.4MB in the beginning and 51.6MB in the end (delta: -3.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:44,417 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:44,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.37ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 48.2MB in the beginning and 69.0MB in the end (delta: -20.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-21 18:52:44,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.86ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:52:44,421 INFO L158 Benchmark]: Boogie Preprocessor took 41.83ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 65.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:44,422 INFO L158 Benchmark]: RCFGBuilder took 664.86ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 51.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:52:44,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.37ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 48.2MB in the beginning and 69.0MB in the end (delta: -20.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.86ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.83ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 65.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 664.86ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 51.6MB in the end (delta: 13.6MB). 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 18:52:44,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f7b04af-3132-49b2-86c8-ffdad93271a3/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?