./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi --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 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:38,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:38,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:02:38,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:38,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:38,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:38,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:38,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:38,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:38,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:38,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:38,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:38,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:38,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:38,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:38,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:38,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:38,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:38,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:38,377 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:38,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:38,378 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:38,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:38,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:38,380 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:38,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:38,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:38,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:38,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:38,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:38,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:38,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:38,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:38,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:38,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:38,385 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_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-24 23:02:38,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:38,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:38,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:38,757 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:38,757 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:38,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 23:02:41,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:42,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:42,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 23:02:42,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data/c7d07eb66/b614d1dfb5a444e5b577a0da9b43b011/FLAG01250f541 [2023-11-24 23:02:42,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data/c7d07eb66/b614d1dfb5a444e5b577a0da9b43b011 [2023-11-24 23:02:42,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:42,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:42,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:42,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:42,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:42,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c54b717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42, skipping insertion in model container [2023-11-24 23:02:42,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:42,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:42,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:42,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:42,465 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:42,466 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:42,473 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:42,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42 WrapperNode [2023-11-24 23:02:42,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:42,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:42,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:42,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:42,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,516 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2023-11-24 23:02:42,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:42,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:42,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:42,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:42,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:42,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:42,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:42,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:42,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:42" (1/1) ... [2023-11-24 23:02:42,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:42,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:42,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:42,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:02:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:02:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:02:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:02:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:02:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:02:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:02:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:02:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:02:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:02:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:02:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:02:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:42,661 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:42,862 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:42,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:43,330 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:43,466 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:02:43,470 INFO L158 Benchmark]: Toolchain (without parser) took 1286.77ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 88.1MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:02:43,471 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:43,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.01ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 101.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:02:43,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 146.8MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:43,473 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:43,474 INFO L158 Benchmark]: RCFGBuilder took 914.11ms. Allocated memory is still 146.8MB. Free memory was 98.0MB in the beginning and 88.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:43,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.01ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 101.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 146.8MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 914.11ms. Allocated memory is still 146.8MB. Free memory was 98.0MB in the beginning and 88.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:43,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/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_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi --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 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:46,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:46,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:02:46,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:46,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:46,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:46,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:46,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:46,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:46,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:46,435 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:46,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:46,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:46,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:46,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:46,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:46,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:46,440 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:46,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:46,441 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:46,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:46,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:46,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:46,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:46,444 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:46,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:46,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:46,445 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:46,446 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:46,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:46,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:46,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:46,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:46,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:46,449 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:46,450 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:46,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:46,450 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:46,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:46,452 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_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-24 23:02:46,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:46,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:46,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:46,927 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:46,928 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:46,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 23:02:50,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:50,408 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:50,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 23:02:50,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data/d32c85722/48f6d5db19ac4d50a3299117734555cb/FLAG4ec0deff3 [2023-11-24 23:02:50,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/data/d32c85722/48f6d5db19ac4d50a3299117734555cb [2023-11-24 23:02:50,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:50,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:50,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:50,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:50,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:50,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111fc8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50, skipping insertion in model container [2023-11-24 23:02:50,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:50,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:50,820 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:02:50,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:50,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:50,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:50,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:50,968 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:50,968 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:50,976 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:50,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50 WrapperNode [2023-11-24 23:02:50,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:50,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:50,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:50,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:50,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,079 INFO L138 Inliner]: procedures = 28, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-11-24 23:02:51,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:51,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:51,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:51,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:51,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:51,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:51,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:51,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:51,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:51,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:51,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:51,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:51,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:02:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:02:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:02:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:02:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:02:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:02:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:02:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:02:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:02:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:02:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:02:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:02:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:02:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:02:51,281 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:51,455 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:51,457 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:52,007 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:52,242 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:02:52,247 INFO L158 Benchmark]: Toolchain (without parser) took 1799.99ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 28.4MB in the end (delta: 27.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,247 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 66.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.15ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 40.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.67ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 58.6MB in the end (delta: -17.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,249 INFO L158 Benchmark]: Boogie Preprocessor took 94.81ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,250 INFO L158 Benchmark]: RCFGBuilder took 1068.85ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 28.4MB in the end (delta: 27.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 66.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.15ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 40.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.67ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 58.6MB in the end (delta: -17.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.81ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.85ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 28.4MB in the end (delta: 27.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:52,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d058a8cd-f15e-4d86-bfba-f6723cec14cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?