./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:13:08,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:13:08,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:13:08,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:13:08,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:13:08,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:13:08,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:13:08,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:13:08,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:13:08,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:13:08,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:13:08,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:13:08,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:13:08,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:13:08,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:13:08,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:13:08,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:13:08,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:13:08,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:13:08,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:13:08,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:13:08,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:13:08,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:13:08,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:13:08,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:13:08,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:13:08,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:13:08,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:13:08,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:13:08,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:13:08,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:13:08,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:13:08,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:13:08,813 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_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2023-12-03 04:13:09,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:13:09,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:13:09,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:13:09,067 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:13:09,067 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:13:09,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-03 04:13:11,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:13:12,139 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:13:12,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-03 04:13:12,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data/dcb748baa/369cdf6d2e1c480dabdbf5a51a61df63/FLAG00f18fc80 [2023-12-03 04:13:12,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data/dcb748baa/369cdf6d2e1c480dabdbf5a51a61df63 [2023-12-03 04:13:12,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:13:12,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:13:12,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:13:12,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:13:12,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:13:12,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589c9d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12, skipping insertion in model container [2023-12-03 04:13:12,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:13:12,705 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2023-12-03 04:13:12,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:13:12,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:13:12,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2023-12-03 04:13:12,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:13:12,769 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:13:12,769 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:13:12,776 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:13:12,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12 WrapperNode [2023-12-03 04:13:12,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:13:12,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:13:12,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:13:12,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:13:12,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,817 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2023-12-03 04:13:12,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:13:12,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:13:12,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:13:12,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:13:12,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:13:12,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:13:12,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:13:12,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:13:12,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:12" (1/1) ... [2023-12-03 04:13:12,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:13:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:13:12,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:13:12,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:13:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:13:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:13:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:13:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 04:13:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 04:13:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:13:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:13:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:13:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:13:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:13:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 04:13:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 04:13:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:13:12,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:13:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:13:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:13:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:13:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:13:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:13:12,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:13:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:13:12,947 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:13:13,096 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:13:13,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:13:13,424 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:13:13,565 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 04:13:13,590 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1843) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1707) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 04:13:13,595 INFO L158 Benchmark]: Toolchain (without parser) took 1101.89ms. Allocated memory is still 209.7MB. Free memory was 174.9MB in the beginning and 177.4MB in the end (delta: -2.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-12-03 04:13:13,596 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:13:13,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.25ms. Allocated memory is still 209.7MB. Free memory was 174.4MB in the beginning and 161.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:13:13,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.71ms. Allocated memory is still 209.7MB. Free memory was 161.7MB in the beginning and 160.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:13:13,598 INFO L158 Benchmark]: Boogie Preprocessor took 38.62ms. Allocated memory is still 209.7MB. Free memory was 159.7MB in the beginning and 157.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:13:13,598 INFO L158 Benchmark]: RCFGBuilder took 735.38ms. Allocated memory is still 209.7MB. Free memory was 157.9MB in the beginning and 177.4MB in the end (delta: -19.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-12-03 04:13:13,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.25ms. Allocated memory is still 209.7MB. Free memory was 174.4MB in the beginning and 161.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.71ms. Allocated memory is still 209.7MB. Free memory was 161.7MB in the beginning and 160.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.62ms. Allocated memory is still 209.7MB. Free memory was 159.7MB in the beginning and 157.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.38ms. Allocated memory is still 209.7MB. Free memory was 157.9MB in the beginning and 177.4MB in the end (delta: -19.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:13:13,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:13:15,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:13:15,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:13:15,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:13:15,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:13:15,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:13:15,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:13:15,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:13:15,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:13:15,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:13:15,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:13:15,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:13:15,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:13:15,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:13:15,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:13:15,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:13:15,810 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:13:15,811 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:13:15,811 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:13:15,812 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:13:15,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:13:15,814 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:13:15,814 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:13:15,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:13:15,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:13:15,816 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:15,817 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:13:15,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:13:15,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:13:15,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:13:15,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:13:15,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:13:15,820 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:13:15,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:15,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:13:15,822 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:13:15,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:13:15,823 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_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2023-12-03 04:13:16,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:13:16,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:13:16,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:13:16,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:13:16,161 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:13:16,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-03 04:13:19,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:13:19,530 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:13:19,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-03 04:13:19,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data/b0afcb0cd/cfb3c5b0516f4611a812be0f376587f0/FLAG6ef068444 [2023-12-03 04:13:19,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/data/b0afcb0cd/cfb3c5b0516f4611a812be0f376587f0 [2023-12-03 04:13:19,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:13:19,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:13:19,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:13:19,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:13:19,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:13:19,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc0abb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19, skipping insertion in model container [2023-12-03 04:13:19,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:13:19,755 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2023-12-03 04:13:19,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:13:19,778 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:13:19,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:13:19,806 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2023-12-03 04:13:19,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:13:19,815 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:13:19,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2023-12-03 04:13:19,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:13:19,861 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:13:19,861 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:13:19,868 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:13:19,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19 WrapperNode [2023-12-03 04:13:19,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:13:19,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:13:19,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:13:19,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:13:19,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,913 INFO L138 Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 102 [2023-12-03 04:13:19,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:13:19,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:13:19,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:13:19,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:13:19,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:13:19,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:13:19,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:13:19,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:13:19,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:13:19" (1/1) ... [2023-12-03 04:13:19,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:13:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:13:19,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:13:20,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:13:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:13:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:13:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:13:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 04:13:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 04:13:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:13:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:13:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:13:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:13:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:13:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 04:13:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 04:13:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:13:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:13:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:13:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:13:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:13:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:13:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:13:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:13:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:13:20,046 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:13:20,191 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:13:20,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:13:20,709 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:13:20,876 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 04:13:20,886 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1843) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1707) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 04:13:20,890 INFO L158 Benchmark]: Toolchain (without parser) took 1332.60ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 65.7MB in the end (delta: 11.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,890 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:13:20,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.47ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 61.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:13:20,892 INFO L158 Benchmark]: Boogie Preprocessor took 45.35ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,893 INFO L158 Benchmark]: RCFGBuilder took 927.64ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 65.7MB in the end (delta: -8.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.47ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 61.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.35ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 927.64ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 65.7MB in the end (delta: -8.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:13:20,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_914237cc-7a85-4a40-a272-5a6b7740fce7/bin/ukojak-verify-Qdu7aM0XO9/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: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo