./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi --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 a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:05,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:05,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:01:05,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:05,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:05,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:05,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:05,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:05,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:05,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:05,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:05,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:05,296 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:05,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:05,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:05,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:05,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:05,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:05,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:05,305 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:05,305 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:05,306 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:05,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:05,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:05,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:05,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:05,309 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:05,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:05,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:05,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:05,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:05,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:05,312 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:05,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:05,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:05,313 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_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 [2023-11-24 23:01:05,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:05,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:05,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:05,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:05,648 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:05,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-24 23:01:08,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:09,010 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:09,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-24 23:01:09,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data/cfda043bb/5f0f91d08e764f5f96cdb9e570909c37/FLAG5a25bf2e6 [2023-11-24 23:01:09,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data/cfda043bb/5f0f91d08e764f5f96cdb9e570909c37 [2023-11-24 23:01:09,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:09,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:09,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:09,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:09,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:09,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15accbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09, skipping insertion in model container [2023-11-24 23:01:09,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:09,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:09,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:09,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:09,526 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:09,527 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:09,534 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:09,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09 WrapperNode [2023-11-24 23:01:09,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:09,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:09,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:09,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:09,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,605 INFO L138 Inliner]: procedures = 23, calls = 177, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2023-11-24 23:01:09,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:09,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:09,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:09,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:09,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:09,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:09,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:09,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:09,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:09" (1/1) ... [2023-11-24 23:01:09,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:09,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:09,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:01:09,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:01:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:01:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:01:09,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:01:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:09,763 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:01:09,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:09,892 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:10,377 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:10,563 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:01:10,568 INFO L158 Benchmark]: Toolchain (without parser) took 1527.82ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 106.1MB in the end (delta: -11.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-11-24 23:01:10,569 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:10,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.30ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 80.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:01:10,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.86ms. Allocated memory is still 140.5MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:10,572 INFO L158 Benchmark]: Boogie Preprocessor took 69.13ms. Allocated memory is still 140.5MB. Free memory was 78.2MB in the beginning and 76.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:10,574 INFO L158 Benchmark]: RCFGBuilder took 887.82ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 106.1MB in the end (delta: -29.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-24 23:01:10,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.30ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 80.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.86ms. Allocated memory is still 140.5MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.13ms. Allocated memory is still 140.5MB. Free memory was 78.2MB in the beginning and 76.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 887.82ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 106.1MB in the end (delta: -29.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:01:10,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/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_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi --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 a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:13,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:13,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:01:13,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:13,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:13,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:13,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:13,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:13,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:13,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:13,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:13,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:13,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:13,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:13,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:13,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:13,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:13,522 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:13,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:13,523 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:13,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:13,524 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:13,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:13,525 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:13,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:13,526 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:13,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:13,527 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:13,527 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:13,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:13,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:13,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:13,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:13,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:13,530 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:13,530 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:13,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:13,531 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:13,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:13,531 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_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 [2023-11-24 23:01:13,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:13,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:13,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:13,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:13,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:13,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-24 23:01:16,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:17,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:17,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-24 23:01:17,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data/c7b05eb88/c2a47e23760f487997a354529537a0ff/FLAGf20f8167f [2023-11-24 23:01:17,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/data/c7b05eb88/c2a47e23760f487997a354529537a0ff [2023-11-24 23:01:17,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:17,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:17,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:17,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:17,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:17,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798cb0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17, skipping insertion in model container [2023-11-24 23:01:17,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,420 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:17,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:17,703 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:17,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:17,809 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:17,810 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:17,818 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:17,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17 WrapperNode [2023-11-24 23:01:17,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:17,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:17,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:17,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:17,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,896 INFO L138 Inliner]: procedures = 25, calls = 177, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2023-11-24 23:01:17,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:17,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:17,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:17,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:17,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:17,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:17,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:17,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:17,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:17" (1/1) ... [2023-11-24 23:01:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:18,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:18,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:01:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:01:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:01:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:01:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:01:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:01:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:01:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:01:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:01:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:01:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:01:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:01:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:01:18,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:18,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:18,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:18,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:01:18,103 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:01:18,316 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:18,319 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:18,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:19,070 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:01:19,077 INFO L158 Benchmark]: Toolchain (without parser) took 1727.94ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,078 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:19,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.76ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 62.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.48ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 60.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,081 INFO L158 Benchmark]: Boogie Preprocessor took 79.41ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,082 INFO L158 Benchmark]: RCFGBuilder took 1096.93ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 76.1MB in the end (delta: -17.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:19,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.76ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 62.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.48ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 60.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.41ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 58.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1096.93ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 76.1MB in the end (delta: -17.8MB). Peak memory consumption was 16.3MB. 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:01:19,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2234e6-91f4-48fd-a09c-4db4bf1f6828/bin/ukojak-verify-afCqCEvfdi/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?