./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:18:39,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:18:39,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:18:39,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:18:39,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:18:39,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:18:39,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:18:39,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:18:39,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:18:39,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:18:39,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:18:39,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:18:39,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:18:39,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:18:39,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:18:39,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:18:39,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:18:39,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:18:39,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:18:39,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:18:39,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:18:39,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:18:39,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:18:39,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:18:39,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:18:39,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:18:39,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:39,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:18:39,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:18:39,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:18:39,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:18:39,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:18:39,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:18:39,176 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2023-12-03 04:18:39,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:18:39,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:18:39,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:18:39,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:18:39,450 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:18:39,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-12-03 04:18:42,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:18:42,367 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:18:42,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-12-03 04:18:42,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data/2534b8c19/0d06dbe573e44e6db5d69d35744f623f/FLAG467b27faf [2023-12-03 04:18:42,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data/2534b8c19/0d06dbe573e44e6db5d69d35744f623f [2023-12-03 04:18:42,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:18:42,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:18:42,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:42,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:18:42,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:18:42,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a5fd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42, skipping insertion in model container [2023-12-03 04:18:42,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:18:42,551 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2520,2533] [2023-12-03 04:18:42,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:42,569 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:18:42,591 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2520,2533] [2023-12-03 04:18:42,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:42,602 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:42,602 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:42,610 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:18:42,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42 WrapperNode [2023-12-03 04:18:42,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:42,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:42,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:18:42,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:18:42,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,649 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-12-03 04:18:42,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:42,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:18:42,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:18:42,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:18:42,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:18:42,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:18:42,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:18:42,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:18:42,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:18:42,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:18:42,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:18:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-03 04:18:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-03 04:18:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:18:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:18:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:18:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:18:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:18:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:18:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:18:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:18:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:18:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:18:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:18:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:18:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:18:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:18:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:18:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:18:42,740 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 04:18:42,828 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:18:42,830 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:18:43,008 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:18:43,071 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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:356) 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) [2023-12-03 04:18:43,076 INFO L158 Benchmark]: Toolchain (without parser) took 687.84ms. Allocated memory is still 188.7MB. Free memory was 145.7MB in the beginning and 112.7MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,076 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 85.9MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:18:43,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.85ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 134.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 188.7MB. Free memory was 134.2MB in the beginning and 132.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,078 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 188.7MB. Free memory was 132.6MB in the beginning and 131.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:18:43,079 INFO L158 Benchmark]: RCFGBuilder took 397.45ms. Allocated memory is still 188.7MB. Free memory was 131.1MB in the beginning and 112.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 85.9MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.85ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 134.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 188.7MB. Free memory was 134.2MB in the beginning and 132.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 188.7MB. Free memory was 132.6MB in the beginning and 131.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.45ms. Allocated memory is still 188.7MB. Free memory was 131.1MB in the beginning and 112.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:18:43,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:18:45,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:18:45,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:18:45,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:18:45,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:18:45,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:18:45,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:18:45,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:18:45,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:18:45,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:18:45,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:18:45,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:18:45,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:18:45,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:18:45,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:18:45,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:18:45,109 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:18:45,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:18:45,110 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:18:45,111 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:18:45,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:18:45,115 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:18:45,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:18:45,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:18:45,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:18:45,116 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:45,116 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:18:45,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:18:45,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:45,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:18:45,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:18:45,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:18:45,118 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:18:45,119 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:45,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:18:45,119 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:18:45,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:18:45,119 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2023-12-03 04:18:45,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:18:45,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:18:45,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:18:45,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:18:45,414 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:18:45,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-12-03 04:18:48,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:18:48,449 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:18:48,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-12-03 04:18:48,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data/dceff4585/d632a6c2e849446884cc0f9e5637941c/FLAG578bdcb04 [2023-12-03 04:18:48,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/data/dceff4585/d632a6c2e849446884cc0f9e5637941c [2023-12-03 04:18:48,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:18:48,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:18:48,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:48,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:18:48,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:18:48,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdf0205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48, skipping insertion in model container [2023-12-03 04:18:48,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,506 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:18:48,681 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2520,2533] [2023-12-03 04:18:48,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:48,702 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:18:48,725 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_b155bf43-06bc-4d50-ba80-7199bcf6daa1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c[2520,2533] [2023-12-03 04:18:48,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:48,737 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:48,738 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:48,746 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:18:48,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48 WrapperNode [2023-12-03 04:18:48,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:48,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:48,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:18:48,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:18:48,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,786 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2023-12-03 04:18:48,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:48,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:18:48,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:18:48,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:18:48,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:18:48,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:18:48,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:18:48,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:18:48,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:48,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:18:48,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:18:48,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:18:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-03 04:18:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-03 04:18:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:18:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:18:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:18:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:18:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:18:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:18:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:18:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:18:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:18:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:18:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:18:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:18:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:18:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:18:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:18:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:18:48,894 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 04:18:49,006 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:18:49,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:18:49,212 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:18:49,260 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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:356) 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) [2023-12-03 04:18:49,265 INFO L158 Benchmark]: Toolchain (without parser) took 791.54ms. Allocated memory is still 109.1MB. Free memory was 85.6MB in the beginning and 79.1MB in the end (delta: 6.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,265 INFO L158 Benchmark]: CDTParser took 0.17ms. 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 04:18:49,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.63ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 73.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.05ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,267 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,268 INFO L158 Benchmark]: RCFGBuilder took 443.39ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 79.1MB in the end (delta: -8.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.63ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 73.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.05ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.39ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 79.1MB in the end (delta: -8.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:18:49,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b155bf43-06bc-4d50-ba80-7199bcf6daa1/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: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?