./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/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_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/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_eab051b3-54fc-4570-971b-58a806b66347/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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:40:41,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:40:42,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:40:42,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:40:42,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:40:42,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:40:42,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:40:42,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:40:42,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:40:42,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:40:42,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:40:42,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:40:42,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:40:42,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:40:42,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:40:42,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:40:42,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:40:42,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:40:42,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:40:42,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:40:42,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:40:42,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:40:42,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:40:42,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:40:42,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:40:42,093 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:40:42,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:40:42,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:42,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:40:42,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:40:42,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:40:42,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:40:42,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:40:42,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:40:42,098 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_eab051b3-54fc-4570-971b-58a806b66347/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2023-11-11 23:40:42,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:40:42,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:40:42,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:40:42,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:40:42,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:40:42,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-11 23:40:45,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:40:45,909 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:40:45,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-11 23:40:45,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data/b6b009e13/6b7a167d2a6240bfa183f8ec2b8951ce/FLAG39296930c [2023-11-11 23:40:45,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data/b6b009e13/6b7a167d2a6240bfa183f8ec2b8951ce [2023-11-11 23:40:45,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:40:45,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:40:45,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:45,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:40:45,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:40:45,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:45" (1/1) ... [2023-11-11 23:40:45,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e7b2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:45, skipping insertion in model container [2023-11-11 23:40:45,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:45" (1/1) ... [2023-11-11 23:40:46,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:46,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:46,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:40:46,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:46,258 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:46,259 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:46,266 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:40:46,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46 WrapperNode [2023-11-11 23:40:46,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:46,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:46,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:40:46,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:40:46,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,313 INFO L138 Inliner]: procedures = 27, calls = 77, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-11 23:40:46,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:46,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:40:46,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:40:46,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:40:46,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:40:46,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:40:46,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:40:46,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:40:46,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:46,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:40:46,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:40:46,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:40:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:40:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:40:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:40:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:40:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:40:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:40:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:40:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:40:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:40:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:40:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:40:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:40:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:40:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:40:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:40:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:40:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:40:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:40:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:40:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:40:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:40:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:40:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:40:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:40:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:40:46,476 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:40:46,613 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:40:46,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:40:47,210 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:40:47,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:40:47,477 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:40:47,478 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:40:47,479 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) [2023-11-11 23:40:47,485 INFO L158 Benchmark]: Toolchain (without parser) took 1546.66ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 96.8MB in the beginning and 114.7MB in the end (delta: -17.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,485 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 142.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:47,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.24ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 83.7MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.14ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 81.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:47,490 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,492 INFO L158 Benchmark]: RCFGBuilder took 1117.98ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.8MB in the beginning and 114.7MB in the end (delta: -34.9MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-11 23:40:47,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 142.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.24ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 83.7MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.14ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 81.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1117.98ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.8MB in the beginning and 114.7MB in the end (delta: -34.9MB). Peak memory consumption was 23.0MB. 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. [2023-11-11 23:40:47,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/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_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/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_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/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_eab051b3-54fc-4570-971b-58a806b66347/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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:40:50,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:40:50,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:40:50,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:40:50,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:40:50,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:40:50,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:40:50,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:40:50,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:40:50,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:40:50,639 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:40:50,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:40:50,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:40:50,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:40:50,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:40:50,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:40:50,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:40:50,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:40:50,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:40:50,646 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:40:50,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:40:50,647 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:40:50,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:40:50,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:40:50,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:40:50,649 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:40:50,649 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:40:50,650 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:40:50,650 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:40:50,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:40:50,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:50,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:40:50,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:40:50,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:40:50,654 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:40:50,654 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:40:50,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:40:50,654 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:40:50,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:40:50,656 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_eab051b3-54fc-4570-971b-58a806b66347/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2023-11-11 23:40:51,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:40:51,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:40:51,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:40:51,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:40:51,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:40:51,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-11 23:40:54,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:40:54,858 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:40:54,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-11 23:40:54,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data/ef7539912/1757c71a9ab740f2b959b49a63e02b3c/FLAG452820072 [2023-11-11 23:40:54,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/data/ef7539912/1757c71a9ab740f2b959b49a63e02b3c [2023-11-11 23:40:54,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:40:54,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:40:54,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:54,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:40:54,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:40:54,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59adce53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:54, skipping insertion in model container [2023-11-11 23:40:54,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:54" (1/1) ... [2023-11-11 23:40:54,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:55,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:55,237 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:40:55,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:55,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:55,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:40:55,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:55,398 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:55,400 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:55,408 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:40:55,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55 WrapperNode [2023-11-11 23:40:55,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:55,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:55,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:40:55,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:40:55,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,484 INFO L138 Inliner]: procedures = 29, calls = 77, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-11 23:40:55,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:55,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:40:55,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:40:55,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:40:55,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:40:55,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:40:55,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:40:55,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:40:55,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:55" (1/1) ... [2023-11-11 23:40:55,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:55,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:40:55,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:40:55,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:40:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:40:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:40:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:40:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:40:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:40:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:40:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:40:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:40:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:40:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:40:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:40:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:40:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:40:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:40:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:40:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:40:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:40:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:40:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:40:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:40:55,701 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:40:55,841 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:40:55,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:40:56,369 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:40:56,596 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:40:56,596 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:40:56,597 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:40:56,598 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) [2023-11-11 23:40:56,603 INFO L158 Benchmark]: Toolchain (without parser) took 1718.38ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 42.3MB in the end (delta: 23.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-11 23:40:56,604 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:40:56,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.09ms. Allocated memory is still 90.2MB. Free memory was 65.7MB in the beginning and 49.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:40:56,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.08ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 47.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:40:56,606 INFO L158 Benchmark]: Boogie Preprocessor took 83.92ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 45.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:40:56,607 INFO L158 Benchmark]: RCFGBuilder took 1031.56ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 42.3MB in the end (delta: 3.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-11 23:40:56,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.09ms. Allocated memory is still 90.2MB. Free memory was 65.7MB in the beginning and 49.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.08ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 47.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.92ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 45.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1031.56ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 42.3MB in the end (delta: 3.1MB). Peak memory consumption was 12.5MB. 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. [2023-11-11 23:40:56,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab051b3-54fc-4570-971b-58a806b66347/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?