./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV --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 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:12,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:13,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:00:13,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:13,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:13,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:13,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:13,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:13,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:13,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:13,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:13,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:13,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:13,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:13,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:13,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:13,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:13,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:13,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:13,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:13,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:13,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:13,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:13,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:13,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:13,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:13,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:13,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:13,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:13,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:13,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:13,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:13,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:13,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:13,083 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_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f [2023-11-12 00:00:13,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:13,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:13,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:13,422 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:13,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:13,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2023-11-12 00:00:16,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:16,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:16,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2023-11-12 00:00:16,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data/8fec3a99c/e5ef8311643643d890b17df47b9a0a10/FLAGad3c3fc59 [2023-11-12 00:00:16,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data/8fec3a99c/e5ef8311643643d890b17df47b9a0a10 [2023-11-12 00:00:16,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:16,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:16,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:16,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:16,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:16,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:16" (1/1) ... [2023-11-12 00:00:16,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539f0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:16, skipping insertion in model container [2023-11-12 00:00:16,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:16" (1/1) ... [2023-11-12 00:00:16,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:17,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:17,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:17,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:17,209 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:17,209 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:17,217 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:17,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17 WrapperNode [2023-11-12 00:00:17,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:17,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:17,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:17,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:17,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,263 INFO L138 Inliner]: procedures = 25, calls = 99, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-12 00:00:17,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:17,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:17,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:17,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:17,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:17,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:17,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:17,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:17,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:17" (1/1) ... [2023-11-12 00:00:17,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:17,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:17,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:17,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:00:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:00:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:00:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:00:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:00:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:00:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:00:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:00:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-12 00:00:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-12 00:00:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-12 00:00:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-12 00:00:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:17,419 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:17,600 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:17,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:18,017 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:18,176 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:18,176 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:18,177 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-12 00:00:18,178 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:18,183 INFO L158 Benchmark]: Toolchain (without parser) took 1293.43ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 120.1MB in the end (delta: -11.8MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:18,183 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:18,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.61ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 95.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:00:18,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.28ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 93.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:18,186 INFO L158 Benchmark]: Boogie Preprocessor took 44.60ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 91.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:18,187 INFO L158 Benchmark]: RCFGBuilder took 871.22ms. Allocated memory is still 153.1MB. Free memory was 91.8MB in the beginning and 120.1MB in the end (delta: -28.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-12 00:00:18,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.61ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 95.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.28ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 93.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.60ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 91.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 871.22ms. Allocated memory is still 153.1MB. Free memory was 91.8MB in the beginning and 120.1MB in the end (delta: -28.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:18,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV --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 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:20,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:21,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:21,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:21,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:21,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:21,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:21,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:21,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:21,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:21,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:21,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:21,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:21,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:21,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:21,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:21,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:21,100 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:21,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:21,102 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:21,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:21,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:21,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:21,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:21,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:21,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:21,105 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:21,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:21,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:21,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:21,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:21,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:21,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:21,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:21,109 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:21,109 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:21,109 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:21,109 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:21,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:21,111 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_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f [2023-11-12 00:00:21,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:21,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:21,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:21,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:21,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:21,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2023-11-12 00:00:24,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:25,074 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:25,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2023-11-12 00:00:25,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data/b3f7e4274/08a88f2de87a483caaac1c1c85e793fd/FLAGbf72c27c5 [2023-11-12 00:00:25,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/data/b3f7e4274/08a88f2de87a483caaac1c1c85e793fd [2023-11-12 00:00:25,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:25,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:25,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:25,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:25,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:25,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b19666f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25, skipping insertion in model container [2023-11-12 00:00:25,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:25,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:25,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:25,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:25,529 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:25,534 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:25,542 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:25,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25 WrapperNode [2023-11-12 00:00:25,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:25,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:25,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:25,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:25,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,618 INFO L138 Inliner]: procedures = 27, calls = 99, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2023-11-12 00:00:25,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:25,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:25,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:25,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:25,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:25,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:25,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:25,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:25,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:25" (1/1) ... [2023-11-12 00:00:25,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:25,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:25,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:25,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:00:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:00:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:00:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:00:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:00:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:00:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:00:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:00:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-12 00:00:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-12 00:00:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-12 00:00:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-12 00:00:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:25,869 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:26,052 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:26,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:26,474 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:26,685 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:26,692 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:26,696 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-12 00:00:26,697 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:26,704 INFO L158 Benchmark]: Toolchain (without parser) took 1598.61ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 39.8MB in the end (delta: 28.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:26,705 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 73.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:26,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.38ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 54.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:00:26,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.96ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:26,708 INFO L158 Benchmark]: Boogie Preprocessor took 73.66ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 51.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:26,709 INFO L158 Benchmark]: RCFGBuilder took 1007.71ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 39.8MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-12 00:00:26,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 73.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.38ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 54.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.96ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.66ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 51.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.71ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 39.8MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:26,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_696ed385-423e-40d1-ac64-16c58d583cdb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?