./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:35:51,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:35:51,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:35:51,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:35:51,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:35:51,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:35:51,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:35:51,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:35:51,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:35:51,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:35:51,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:35:51,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:35:51,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:35:51,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:35:51,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:35:51,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:35:51,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:35:51,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:35:51,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:35:51,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:35:51,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:35:51,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:35:51,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:35:51,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:35:51,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:35:51,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:35:51,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:35:51,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:35:51,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:35:51,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:35:51,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:35:51,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:35:51,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:35:51,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:35:51,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:35:51,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:35:51,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:35:51,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:35:51,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:35:51,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:35:51,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:35:51,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:35:51,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:35:51,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:35:51,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:35:51,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:35:51,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:35:51,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:35:51,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:35:51,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:35:51,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:35:51,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:35:51,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:35:51,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:35:51,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:35:51,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:35:51,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:35:51,122 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:35:51,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:35:51,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:35:51,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:35:51,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:35:51,123 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:35:51,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:35:51,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:35:51,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:35:51,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:35:51,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:35:51,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:35:51,125 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:35:51,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:35:51,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:35:51,126 INFO L138 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-12-14 16:35:51,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:35:51,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:35:51,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:35:51,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:35:51,309 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:35:51,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 16:35:53,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:35:54,018 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:35:54,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 16:35:54,023 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data/9bbf86eef/8983535770164cc5849cb91bb815226f/FLAG5774d6a45 [2022-12-14 16:35:54,033 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data/9bbf86eef/8983535770164cc5849cb91bb815226f [2022-12-14 16:35:54,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:35:54,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:35:54,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:35:54,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:35:54,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:35:54,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d042d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54, skipping insertion in model container [2022-12-14 16:35:54,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:35:54,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:35:54,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:54,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:54,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:54,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:54,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:54,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:54,185 WARN L237 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 16:35:54,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:35:54,197 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:35:54,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:54,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:54,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:54,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:54,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:54,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:54,215 WARN L237 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 16:35:54,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:35:54,229 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:35:54,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54 WrapperNode [2022-12-14 16:35:54,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:35:54,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:35:54,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:35:54,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:35:54,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,258 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-12-14 16:35:54,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:35:54,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:35:54,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:35:54,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:35:54,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:35:54,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:35:54,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:35:54,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:35:54,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:54" (1/1) ... [2022-12-14 16:35:54,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:35:54,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:35:54,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:35:54,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 16:35:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 16:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 16:35:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 16:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 16:35:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 16:35:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:35:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 16:35:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 16:35:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:35:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:35:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:35:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:35:54,357 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 16:35:54,441 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:35:54,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:35:54,669 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:35:54,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:35:54,787 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 16:35:54,788 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-12-14 16:35:54,788 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 16:35:54,792 INFO L158 Benchmark]: Toolchain (without parser) took 755.09ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 95.4MB in the beginning and 119.5MB in the end (delta: -24.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-12-14 16:35:54,792 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:35:54,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.00ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 82.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 16:35:54,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.74ms. Allocated memory is still 138.4MB. Free memory was 82.8MB in the beginning and 81.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:35:54,794 INFO L158 Benchmark]: Boogie Preprocessor took 22.44ms. Allocated memory is still 138.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:35:54,794 INFO L158 Benchmark]: RCFGBuilder took 508.78ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 79.8MB in the beginning and 119.5MB in the end (delta: -39.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-14 16:35:54,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.00ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 82.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.74ms. Allocated memory is still 138.4MB. Free memory was 82.8MB in the beginning and 81.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.44ms. Allocated memory is still 138.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.78ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 79.8MB in the beginning and 119.5MB in the end (delta: -39.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 16:35:54,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:35:56,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:35:56,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:35:56,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:35:56,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:35:56,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:35:56,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:35:56,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:35:56,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:35:56,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:35:56,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:35:56,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:35:56,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:35:56,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:35:56,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:35:56,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:35:56,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:35:56,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:35:56,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:35:56,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:35:56,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:35:56,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:35:56,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:35:56,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:35:56,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:35:56,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:35:56,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:35:56,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:35:56,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:35:56,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:35:56,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:35:56,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:35:56,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:35:56,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:35:56,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:35:56,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:35:56,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:35:56,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:35:56,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:35:56,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:35:56,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:35:56,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 16:35:56,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:35:56,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:35:56,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:35:56,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:35:56,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:35:56,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:35:56,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:35:56,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:35:56,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:35:56,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:35:56,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:35:56,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:35:56,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:35:56,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:35:56,524 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 16:35:56,524 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 16:35:56,524 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:35:56,525 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 16:35:56,525 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:35:56,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:35:56,525 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:35:56,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:35:56,526 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:35:56,526 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:35:56,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:35:56,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:35:56,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:35:56,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:35:56,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:35:56,527 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 16:35:56,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 16:35:56,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:35:56,527 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 16:35:56,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 16:35:56,528 INFO L138 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-12-14 16:35:56,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:35:56,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:35:56,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:35:56,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:35:56,771 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:35:56,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 16:35:59,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:35:59,563 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:35:59,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 16:35:59,569 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data/cb572bc23/9b6f2d066b814bb2a58e34c570653ef7/FLAG24b94e474 [2022-12-14 16:35:59,582 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/data/cb572bc23/9b6f2d066b814bb2a58e34c570653ef7 [2022-12-14 16:35:59,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:35:59,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:35:59,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:35:59,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:35:59,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:35:59,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f686860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59, skipping insertion in model container [2022-12-14 16:35:59,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:35:59,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:35:59,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,762 WARN L237 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 16:35:59,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:35:59,780 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 16:35:59,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:35:59,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,802 WARN L237 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 16:35:59,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:35:59,810 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:35:59,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 16:35:59,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 16:35:59,832 WARN L237 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_74ba52ac-d052-4323-89bd-b6873ca0be4d/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 16:35:59,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:35:59,851 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:35:59,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59 WrapperNode [2022-12-14 16:35:59,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:35:59,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:35:59,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:35:59,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:35:59,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,886 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-12-14 16:35:59,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:35:59,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:35:59,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:35:59,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:35:59,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:35:59,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:35:59,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:35:59,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:35:59,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:35:59" (1/1) ... [2022-12-14 16:35:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:35:59,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:35:59,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:35:59,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:35:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:35:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 16:35:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:35:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 16:35:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 16:35:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 16:35:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 16:35:59,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 16:35:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 16:35:59,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 16:35:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 16:35:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 16:35:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:35:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:35:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:35:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:35:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 16:35:59,975 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 16:36:00,057 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:36:00,059 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:36:00,329 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:36:00,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:36:00,483 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 16:36:00,483 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-12-14 16:36:00,484 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 16:36:00,487 INFO L158 Benchmark]: Toolchain (without parser) took 900.80ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 29.9MB in the beginning and 56.5MB in the end (delta: -26.6MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-12-14 16:36:00,487 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:36:00,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.75ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 29.8MB in the beginning and 51.6MB in the end (delta: -21.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-12-14 16:36:00,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 49.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:36:00,489 INFO L158 Benchmark]: Boogie Preprocessor took 29.82ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 48.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:36:00,489 INFO L158 Benchmark]: RCFGBuilder took 567.31ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 56.5MB in the end (delta: -8.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-14 16:36:00,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.75ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 29.8MB in the beginning and 51.6MB in the end (delta: -21.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 49.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.82ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 48.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.31ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 56.5MB in the end (delta: -8.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 16:36:00,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ba52ac-d052-4323-89bd-b6873ca0be4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?