./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 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 20:09:06,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:09:06,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:09:06,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:09:06,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:09:06,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:09:06,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:09:06,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:09:06,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:09:06,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:09:06,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:09:06,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:09:06,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:09:06,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:09:06,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:09:06,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:09:06,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:09:06,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:09:06,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:09:06,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:09:06,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:09:06,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:09:06,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:09:06,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:09:06,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:09:06,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:09:06,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:09:06,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:09:06,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:09:06,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:09:06,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:09:06,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:09:06,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:09:06,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:09:06,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:09:06,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:09:06,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:09:06,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:09:06,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:09:06,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:09:06,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:09:06,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:09:06,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:09:06,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:09:06,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:09:06,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:09:06,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:09:06,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:09:06,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:09:06,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:09:06,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:09:06,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:09:06,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:09:06,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:09:06,196 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:09:06,196 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:09:06,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:09:06,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:06,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:09:06,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:09:06,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:09:06,197 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:09:06,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:09:06,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:09:06,197 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-12-14 20:09:06,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:09:06,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:09:06,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:09:06,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:09:06,425 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:09:06,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 20:09:09,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:09:09,150 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:09:09,150 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 20:09:09,158 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data/bbef9b351/588d7df39831410d98799f514e10b2b8/FLAG93a9990ff [2022-12-14 20:09:09,171 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data/bbef9b351/588d7df39831410d98799f514e10b2b8 [2022-12-14 20:09:09,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:09:09,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:09:09,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:09,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:09:09,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:09:09,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586fe15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09, skipping insertion in model container [2022-12-14 20:09:09,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:09:09,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:09,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:09,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:09,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:09,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:09,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:09,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:09,359 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 20:09:09,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:09,378 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:09:09,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:09,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:09,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:09,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:09,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:09,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:09,400 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 20:09:09,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:09,413 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:09:09,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09 WrapperNode [2022-12-14 20:09:09,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:09,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:09,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:09:09,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:09:09,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,442 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2022-12-14 20:09:09,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:09,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:09:09,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:09:09,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:09:09,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:09:09,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:09:09,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:09:09,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:09:09,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:09" (1/1) ... [2022-12-14 20:09:09,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:09:09,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:09:09,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:09:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:09:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:09:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:09:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:09:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 20:09:09,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 20:09:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 20:09:09,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 20:09:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:09:09,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:09:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:09:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:09:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:09:09,538 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 20:09:09,621 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:09:09,622 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:09:09,805 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:09:09,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:09:09,875 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:09:09,876 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-12-14 20:09:09,877 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 20:09:09,880 INFO L158 Benchmark]: Toolchain (without parser) took 704.16ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 67.8MB in the end (delta: 22.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:09,880 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:09,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.67ms. Allocated memory is still 125.8MB. Free memory was 90.1MB in the beginning and 91.8MB in the end (delta: -1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:09:09,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.66ms. Allocated memory is still 125.8MB. Free memory was 91.8MB in the beginning and 90.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:09,881 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 88.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:09,882 INFO L158 Benchmark]: RCFGBuilder took 407.69ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 67.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:09:09,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.67ms. Allocated memory is still 125.8MB. Free memory was 90.1MB in the beginning and 91.8MB in the end (delta: -1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.66ms. Allocated memory is still 125.8MB. Free memory was 91.8MB in the beginning and 90.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 88.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.69ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 67.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. 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 20:09:09,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 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 20:09:11,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:09:11,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:09:11,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:09:11,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:09:11,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:09:11,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:09:11,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:09:11,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:09:11,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:09:11,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:09:11,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:09:11,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:09:11,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:09:11,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:09:11,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:09:11,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:09:11,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:09:11,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:09:11,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:09:11,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:09:11,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:09:11,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:09:11,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:09:11,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:09:11,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:09:11,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:09:11,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:09:11,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:09:11,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:09:11,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:09:11,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:09:11,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:09:11,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:09:11,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:09:11,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:09:11,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:09:11,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:09:11,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:09:11,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:09:11,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:09:11,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 20:09:11,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:09:11,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:09:11,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:09:11,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:09:11,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:09:11,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:09:11,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:09:11,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:09:11,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:09:11,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:09:11,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:09:11,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:09:11,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:09:11,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:09:11,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:09:11,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:09:11,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:09:11,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:09:11,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:09:11,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:09:11,692 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:09:11,692 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:09:11,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:09:11,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:11,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:09:11,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:09:11,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:09:11,694 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:09:11,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:09:11,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:09:11,694 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:09:11,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:09:11,695 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-12-14 20:09:11,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:09:11,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:09:11,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:09:11,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:09:11,964 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:09:11,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 20:09:14,557 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:09:14,728 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:09:14,728 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-12-14 20:09:14,733 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data/743eaebe0/d9b7055b033449da93f0d139c3976506/FLAG7efec1ea4 [2022-12-14 20:09:14,744 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/data/743eaebe0/d9b7055b033449da93f0d139c3976506 [2022-12-14 20:09:14,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:09:14,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:09:14,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:14,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:09:14,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:09:14,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:14,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b805a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14, skipping insertion in model container [2022-12-14 20:09:14,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:14,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:09:14,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:14,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,912 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 20:09:14,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:14,930 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 20:09:14,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:14,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,945 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 20:09:14,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:14,952 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:09:14,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:14,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:14,971 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_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-12-14 20:09:14,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:14,987 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:09:14,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14 WrapperNode [2022-12-14 20:09:14,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:14,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:14,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:09:14,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:09:14,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,018 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-12-14 20:09:15,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:15,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:09:15,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:09:15,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:09:15,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:09:15,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:09:15,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:09:15,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:09:15,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:14" (1/1) ... [2022-12-14 20:09:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:15,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:09:15,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:09:15,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:09:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:09:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:09:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:09:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:09:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 20:09:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 20:09:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 20:09:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 20:09:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:09:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:09:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:09:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:09:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:09:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:09:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:09:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:09:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:09:15,131 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 20:09:15,226 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:09:15,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:09:15,483 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:09:15,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:09:15,561 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:09:15,561 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-12-14 20:09:15,562 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 20:09:15,565 INFO L158 Benchmark]: Toolchain (without parser) took 817.31ms. Allocated memory is still 77.6MB. Free memory was 56.4MB in the beginning and 31.8MB in the end (delta: 24.6MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-14 20:09:15,566 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:15,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.42ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 41.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:09:15,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.70ms. Allocated memory is still 77.6MB. Free memory was 41.5MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:15,568 INFO L158 Benchmark]: Boogie Preprocessor took 40.94ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 58.3MB in the end (delta: -18.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-12-14 20:09:15,568 INFO L158 Benchmark]: RCFGBuilder took 502.95ms. Allocated memory is still 77.6MB. Free memory was 58.3MB in the beginning and 31.8MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 20:09:15,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.42ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 41.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.70ms. Allocated memory is still 77.6MB. Free memory was 41.5MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.94ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 58.3MB in the end (delta: -18.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 502.95ms. Allocated memory is still 77.6MB. Free memory was 58.3MB in the beginning and 31.8MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. 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 20:09:15,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eaf11c5-f980-4e6e-a5b2-16cd8a2c43a8/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?