./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:36,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:36,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:35:36,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:35:36,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:35:36,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:36,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:35:36,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:35:36,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:36,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:36,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:36,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:35:36,977 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:36,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:35:36,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:36,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:36,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:35:36,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:36,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:35:36,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:36,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:35:36,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:36,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:36,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:36,984 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:36,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:36,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:36,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:36,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:36,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:35:36,989 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:35:36,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:35:36,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:35:36,990 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_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 [2023-11-19 02:35:37,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:35:37,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:35:37,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:35:37,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:35:37,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:35:37,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-19 02:35:40,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:35:40,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:35:40,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-19 02:35:40,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data/ab3a4ee66/a6106b60f69c46a6959d7a049b3bda62/FLAG5bb3a79a9 [2023-11-19 02:35:40,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data/ab3a4ee66/a6106b60f69c46a6959d7a049b3bda62 [2023-11-19 02:35:40,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:35:40,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:35:40,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:40,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:35:40,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:35:40,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c304c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40, skipping insertion in model container [2023-11-19 02:35:40,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:40,812 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-19 02:35:40,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:40,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:35:40,860 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-19 02:35:40,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:40,875 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:35:40,875 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:35:40,883 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:35:40,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40 WrapperNode [2023-11-19 02:35:40,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:40,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:40,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:35:40,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:35:40,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,939 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2023-11-19 02:35:40,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:40,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:35:40,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:35:40,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:35:40,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:35:40,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:35:40,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:35:40,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:35:40,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:40" (1/1) ... [2023-11-19 02:35:40,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:41,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:35:41,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:35:41,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:35:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:35:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:35:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:35:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:35:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:35:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:35:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:35:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:35:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:35:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:35:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:35:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:35:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:35:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:35:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:35:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 02:35:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 02:35:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:35:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:35:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:35:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:35:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:35:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:35:41,073 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:35:41,200 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:35:41,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:35:41,574 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:35:41,796 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:35:41,796 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:35:41,799 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);#t~post14 := #t~mem13;call write~int(1 + #t~post14, ~A~0.base, ~A~0.offset + 4 * ~i~2, 4);havoc #t~mem13;havoc #t~post14;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 02:35:41,809 INFO L158 Benchmark]: Toolchain (without parser) took 1234.21ms. Allocated memory is still 184.5MB. Free memory was 136.9MB in the beginning and 86.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 02:35:41,809 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:41,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.04ms. Allocated memory is still 184.5MB. Free memory was 136.9MB in the beginning and 124.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:35:41,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.90ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 122.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:35:41,813 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 184.5MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:35:41,814 INFO L158 Benchmark]: RCFGBuilder took 822.44ms. Allocated memory is still 184.5MB. Free memory was 120.2MB in the beginning and 86.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:35:41,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.04ms. Allocated memory is still 184.5MB. Free memory was 136.9MB in the beginning and 124.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.90ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 122.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 184.5MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 822.44ms. Allocated memory is still 184.5MB. Free memory was 120.2MB in the beginning and 86.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);#t~post14 := #t~mem13;call write~int(1 + #t~post14, ~A~0.base, ~A~0.offset + 4 * ~i~2, 4);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);#t~post14 := #t~mem13;call write~int(1 + #t~post14, ~A~0.base, ~A~0.offset + 4 * ~i~2, 4);havoc #t~mem13;havoc #t~post14;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:35:41,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:44,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:44,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:35:44,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:44,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:35:44,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:35:44,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:44,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:44,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:44,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:35:44,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:44,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:44,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:44,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:35:44,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:44,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:35:44,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:35:44,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:35:44,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:35:44,778 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:44,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:35:44,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:44,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:44,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:44,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:44,781 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:35:44,781 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:35:44,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:44,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:44,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:44,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:44,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:35:44,784 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:35:44,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:35:44,784 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:35:44,785 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:35:44,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:35:44,785 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_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 [2023-11-19 02:35:45,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:35:45,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:35:45,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:35:45,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:35:45,268 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:35:45,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-19 02:35:48,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:35:48,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:35:48,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-19 02:35:48,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data/d682e996a/b37926e7d0204598af4844e37d231b38/FLAG4ccba3c31 [2023-11-19 02:35:48,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/data/d682e996a/b37926e7d0204598af4844e37d231b38 [2023-11-19 02:35:48,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:35:48,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:35:48,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:48,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:35:48,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:35:48,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:48" (1/1) ... [2023-11-19 02:35:48,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffcc1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48, skipping insertion in model container [2023-11-19 02:35:48,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:48" (1/1) ... [2023-11-19 02:35:48,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:48,962 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-19 02:35:48,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:49,005 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:35:49,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:49,056 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-19 02:35:49,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:49,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:35:49,118 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-19 02:35:49,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:49,146 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:35:49,149 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:35:49,157 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:35:49,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49 WrapperNode [2023-11-19 02:35:49,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:49,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:49,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:35:49,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:35:49,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,279 INFO L138 Inliner]: procedures = 29, calls = 75, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-19 02:35:49,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:49,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:35:49,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:35:49,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:35:49,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:35:49,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:35:49,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:35:49,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:35:49,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:49,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:35:49,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:35:49,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:35:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:35:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:35:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:35:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:35:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:35:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:35:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:35:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:35:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:35:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:35:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:35:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:35:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:35:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:35:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 02:35:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 02:35:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:35:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:35:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:35:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:35:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:35:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:35:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:35:49,461 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:35:49,640 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:35:49,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:35:50,299 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:35:50,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:35:50,553 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:35:50,556 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 02:35:50,564 INFO L158 Benchmark]: Toolchain (without parser) took 1928.98ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 57.8MB in the end (delta: -1.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,564 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:50,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.16ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 40.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.34ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 81.6MB in the end (delta: -40.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,567 INFO L158 Benchmark]: Boogie Preprocessor took 79.92ms. Allocated memory is still 102.8MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:50,568 INFO L158 Benchmark]: RCFGBuilder took 1200.40ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 57.8MB in the end (delta: 21.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.16ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 40.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.34ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 81.6MB in the end (delta: -40.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.92ms. Allocated memory is still 102.8MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1200.40ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 57.8MB in the end (delta: 21.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:35:50,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912bb74d-0e16-4800-9b98-a2cfc3be9921/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block?