./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 527bcce2 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_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/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_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:55:27,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:27,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:27,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:27,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:27,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:27,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:27,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:27,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:27,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:27,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:27,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:27,364 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:27,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:27,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:27,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:27,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:27,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:27,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:27,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:27,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:27,372 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:27,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:27,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:27,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:27,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:27,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:27,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:27,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:27,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:27,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:27,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:27,386 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:27,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:27,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:27,388 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_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-21 18:55:27,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:27,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:27,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:27,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:27,763 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:27,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-21 18:55:30,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:31,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:31,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-21 18:55:31,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data/0e142809e/e5c239e3ed124324bf7ca5909128a3e7/FLAGfa46ba76f [2023-11-21 18:55:31,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data/0e142809e/e5c239e3ed124324bf7ca5909128a3e7 [2023-11-21 18:55:31,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:31,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:31,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:31,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:31,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:31,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e771a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31, skipping insertion in model container [2023-11-21 18:55:31,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:31,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:31,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:31,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:31,512 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:31,512 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:31,521 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:31,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31 WrapperNode [2023-11-21 18:55:31,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:31,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:31,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:31,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:31,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,566 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2023-11-21 18:55:31,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:31,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:31,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:31,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:31,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:31,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:31,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:31,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:31,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:31,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:31,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:55:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:55:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:55:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:55:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:55:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:55:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:55:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:55:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:55:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:31,724 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:55:31,901 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:31,903 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:32,374 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:32,616 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:55:32,621 INFO L158 Benchmark]: Toolchain (without parser) took 1424.85ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 129.9MB in the end (delta: -7.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-11-21 18:55:32,621 INFO L158 Benchmark]: CDTParser took 1.57ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:32,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.66ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 110.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:55:32,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.15ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 108.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:32,632 INFO L158 Benchmark]: Boogie Preprocessor took 40.86ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 106.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:32,632 INFO L158 Benchmark]: RCFGBuilder took 1009.65ms. Allocated memory is still 163.6MB. Free memory was 106.6MB in the beginning and 129.9MB in the end (delta: -23.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-11-21 18:55:32,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.66ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 110.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.15ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 108.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.86ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 106.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1009.65ms. Allocated memory is still 163.6MB. Free memory was 106.6MB in the beginning and 129.9MB in the end (delta: -23.3MB). Peak memory consumption was 42.0MB. 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:55:32,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/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_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:55:35,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:35,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:55:35,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:35,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:35,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:35,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:35,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:35,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:35,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:35,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:35,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:35,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:35,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:35,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:35,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:35,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:55:35,761 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:55:35,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:35,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:55:35,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:35,762 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:35,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:35,763 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:35,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:35,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:35,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:35,765 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:35,765 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:35,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:35,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:35,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:35,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:35,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:35,768 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:55:35,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:35,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:35,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:55:35,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:35,770 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_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-21 18:55:36,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:36,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:36,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:36,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:36,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:36,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-21 18:55:39,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:39,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:39,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-21 18:55:39,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data/04e0e0c99/b998baf04c3646b2a02a61f76e6ae7ba/FLAGb834c8ebe [2023-11-21 18:55:39,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/data/04e0e0c99/b998baf04c3646b2a02a61f76e6ae7ba [2023-11-21 18:55:39,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:39,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:39,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:39,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:39,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:39,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfa9388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39, skipping insertion in model container [2023-11-21 18:55:39,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:40,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:40,069 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:55:40,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:40,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:40,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:40,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:40,216 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:40,216 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:40,225 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:40,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40 WrapperNode [2023-11-21 18:55:40,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:40,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:40,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:40,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:40,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,289 INFO L138 Inliner]: procedures = 28, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-11-21 18:55:40,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:40,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:40,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:40,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:40,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:40,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:40,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:40,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:40,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:40,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:40,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:55:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:55:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:55:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:55:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:55:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:55:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:55:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:55:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:55:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:55:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:55:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:55:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:55:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:55:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:55:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:55:40,468 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:55:40,602 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:40,604 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:41,242 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:41,440 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:55:41,445 INFO L158 Benchmark]: Toolchain (without parser) took 1779.78ms. Allocated memory was 65.0MB in the beginning and 125.8MB in the end (delta: 60.8MB). Free memory was 29.2MB in the beginning and 70.4MB in the end (delta: -41.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-21 18:55:41,446 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 76.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:41,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.99ms. Allocated memory was 65.0MB in the beginning and 125.8MB in the end (delta: 60.8MB). Free memory was 29.0MB in the beginning and 92.9MB in the end (delta: -63.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:41,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.41ms. Allocated memory is still 125.8MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:41,448 INFO L158 Benchmark]: Boogie Preprocessor took 90.97ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:41,449 INFO L158 Benchmark]: RCFGBuilder took 1061.41ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 70.4MB in the end (delta: 18.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:41,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 76.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.99ms. Allocated memory was 65.0MB in the beginning and 125.8MB in the end (delta: 60.8MB). Free memory was 29.0MB in the beginning and 92.9MB in the end (delta: -63.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.41ms. Allocated memory is still 125.8MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.97ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.41ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 70.4MB in the end (delta: 18.3MB). Peak memory consumption was 21.2MB. 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:55:41,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55fd5f0-bc3a-4249-8f75-16f5743188a1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: 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?