./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/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_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:41:38,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:41:38,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:41:38,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:41:38,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:41:38,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:41:38,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:41:38,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:41:38,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:41:38,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:41:38,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:41:38,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:41:38,848 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:41:38,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:41:38,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:41:38,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:41:38,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:41:38,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:41:38,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:41:38,852 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:41:38,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:41:38,853 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:41:38,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:41:38,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:41:38,855 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:41:38,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:41:38,856 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:41:38,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:41:38,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:41:38,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:41:38,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:41:38,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:41:38,859 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:41:38,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:41:38,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:41:38,860 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_c4ecc707-1412-4147-86d6-6e5e4d106082/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 [2023-12-03 01:41:39,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:41:39,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:41:39,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:41:39,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:41:39,122 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:41:39,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-12-03 01:41:41,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:41:42,068 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:41:42,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-12-03 01:41:42,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data/f81dd6a0c/f2394152386e4677956f5a41195d855e/FLAG57ae1780f [2023-12-03 01:41:42,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data/f81dd6a0c/f2394152386e4677956f5a41195d855e [2023-12-03 01:41:42,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:41:42,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:41:42,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:41:42,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:41:42,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:41:42,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9d5ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42, skipping insertion in model container [2023-12-03 01:41:42,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:41:42,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:41:42,331 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:41:42,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:41:42,372 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:41:42,372 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:41:42,380 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:41:42,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42 WrapperNode [2023-12-03 01:41:42,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:41:42,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:41:42,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:41:42,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:41:42,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,427 INFO L138 Inliner]: procedures = 23, calls = 71, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-12-03 01:41:42,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:41:42,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:41:42,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:41:42,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:41:42,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:41:42,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:41:42,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:41:42,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:41:42,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:42" (1/1) ... [2023-12-03 01:41:42,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:41:42,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:41:42,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:41:42,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:41:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:41:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:41:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:41:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:41:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:41:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 01:41:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 01:41:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 01:41:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 01:41:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:41:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:41:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:41:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:41:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:41:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:41:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:41:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:41:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:41:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:41:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:41:42,550 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 01:41:42,661 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:41:42,664 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:41:42,960 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:41:43,103 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:41:43,107 INFO L158 Benchmark]: Toolchain (without parser) took 1015.82ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 92.9MB in the beginning and 168.3MB in the end (delta: -75.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-12-03 01:41:43,108 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:41:43,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.98ms. Allocated memory is still 138.4MB. Free memory was 92.4MB in the beginning and 80.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:41:43,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.36ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 78.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:41:43,110 INFO L158 Benchmark]: Boogie Preprocessor took 33.49ms. Allocated memory is still 138.4MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:41:43,111 INFO L158 Benchmark]: RCFGBuilder took 643.15ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 77.2MB in the beginning and 168.3MB in the end (delta: -91.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-12-03 01:41:43,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.98ms. Allocated memory is still 138.4MB. Free memory was 92.4MB in the beginning and 80.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.36ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 78.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.49ms. Allocated memory is still 138.4MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.15ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 77.2MB in the beginning and 168.3MB in the end (delta: -91.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:41:43,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/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_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/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_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:41:45,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:41:45,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:41:45,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:41:45,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:41:45,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:41:45,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:41:45,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:41:45,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:41:45,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:41:45,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:41:45,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:41:45,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:41:45,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:41:45,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:41:45,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:41:45,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:41:45,216 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:41:45,217 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:41:45,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:41:45,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:41:45,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:41:45,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:41:45,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:41:45,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:41:45,220 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:41:45,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:41:45,221 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:41:45,222 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:41:45,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:41:45,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:41:45,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:41:45,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:41:45,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:41:45,224 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:41:45,224 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:41:45,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:41:45,224 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:41:45,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:41:45,225 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_c4ecc707-1412-4147-86d6-6e5e4d106082/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 [2023-12-03 01:41:45,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:41:45,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:41:45,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:41:45,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:41:45,542 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:41:45,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-12-03 01:41:48,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:41:48,596 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:41:48,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-12-03 01:41:48,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data/96536508c/6a711fc950ef44649622167ccf351dcf/FLAG688155c0b [2023-12-03 01:41:48,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/data/96536508c/6a711fc950ef44649622167ccf351dcf [2023-12-03 01:41:48,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:41:48,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:41:48,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:41:48,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:41:48,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:41:48,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a14da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48, skipping insertion in model container [2023-12-03 01:41:48,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:41:48,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:41:48,849 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:41:48,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:41:48,889 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:41:48,890 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:41:48,896 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:41:48,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48 WrapperNode [2023-12-03 01:41:48,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:41:48,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:41:48,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:41:48,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:41:48,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,937 INFO L138 Inliner]: procedures = 25, calls = 71, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-12-03 01:41:48,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:41:48,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:41:48,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:41:48,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:41:48,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:41:48,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:41:48,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:41:48,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:41:48,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:41:48" (1/1) ... [2023-12-03 01:41:48,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:41:48,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:41:49,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:41:49,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:41:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:41:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:41:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:41:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:41:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:41:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 01:41:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 01:41:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:41:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 01:41:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 01:41:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:41:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:41:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:41:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:41:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:41:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:41:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:41:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:41:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:41:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:41:49,046 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 01:41:49,155 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:41:49,157 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:41:49,504 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:41:49,630 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:41:49,635 INFO L158 Benchmark]: Toolchain (without parser) took 1010.48ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.9MB in the beginning and 41.3MB in the end (delta: -3.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-12-03 01:41:49,635 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:41:49,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.65ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.5MB in the beginning and 60.0MB in the end (delta: -22.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-03 01:41:49,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 58.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:41:49,637 INFO L158 Benchmark]: Boogie Preprocessor took 34.17ms. Allocated memory is still 86.0MB. Free memory was 58.0MB in the beginning and 56.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:41:49,638 INFO L158 Benchmark]: RCFGBuilder took 659.41ms. Allocated memory is still 86.0MB. Free memory was 56.3MB in the beginning and 41.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-12-03 01:41:49,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.65ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.5MB in the beginning and 60.0MB in the end (delta: -22.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 58.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.17ms. Allocated memory is still 86.0MB. Free memory was 58.0MB in the beginning and 56.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 659.41ms. Allocated memory is still 86.0MB. Free memory was 56.3MB in the beginning and 41.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:41:49,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ecc707-1412-4147-86d6-6e5e4d106082/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 end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?