./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 6b4ec56b 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_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/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_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 17:56:22,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:56:22,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:56:22,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:56:22,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:56:22,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:56:22,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:56:22,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:56:22,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:56:22,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:56:22,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:56:22,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:56:22,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:56:22,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:56:22,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:56:22,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:56:22,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:56:22,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:56:22,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:56:22,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:56:22,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:56:22,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:56:22,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:56:22,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:56:22,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:56:22,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:56:22,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:56:22,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:56:22,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:56:22,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:56:22,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:56:22,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:56:22,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:56:22,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:56:22,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:56:22,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:56:22,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:56:22,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:56:22,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:56:22,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:56:22,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:56:22,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:56:22,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:56:22,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:56:22,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:56:22,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:56:22,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:56:22,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:56:22,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:56:22,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:56:22,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:56:22,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:56:22,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:56:22,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:56:22,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:56:22,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:56:22,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:56:22,420 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:56:22,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:56:22,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:56:22,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:56:22,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:56:22,421 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:56:22,422 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:56:22,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:56:22,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:22,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:56:22,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:56:22,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:56:22,423 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:56:22,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:56:22,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:56:22,425 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_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-20 17:56:22,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:56:22,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:56:22,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:56:22,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:56:22,778 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:56:22,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-20 17:56:25,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:56:26,188 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:56:26,188 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-20 17:56:26,198 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data/70e887d73/86b6c7105fc74a74b7140c9c81932c78/FLAGdea0874be [2022-11-20 17:56:26,220 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data/70e887d73/86b6c7105fc74a74b7140c9c81932c78 [2022-11-20 17:56:26,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:56:26,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:56:26,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:26,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:56:26,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:56:26,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4213fddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26, skipping insertion in model container [2022-11-20 17:56:26,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:56:26,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:56:26,482 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_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 17:56:26,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:26,508 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:56:26,553 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_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 17:56:26,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:26,575 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:56:26,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26 WrapperNode [2022-11-20 17:56:26,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:26,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:26,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:56:26,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:56:26,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,636 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-20 17:56:26,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:26,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:56:26,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:56:26,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:56:26,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:56:26,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:56:26,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:56:26,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:56:26,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:26" (1/1) ... [2022-11-20 17:56:26,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:26,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:56:26,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:56:26,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:56:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:56:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:56:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:56:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:56:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:56:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:56:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:56:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:56:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:56:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:56:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:56:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:56:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:56:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:56:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:56:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:56:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:56:26,796 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:56:26,904 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:56:26,906 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:56:27,320 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:56:27,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:56:27,635 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:56:27,637 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-11-20 17:56:27,638 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) [2022-11-20 17:56:27,647 INFO L158 Benchmark]: Toolchain (without parser) took 1421.25ms. Allocated memory is still 178.3MB. Free memory was 149.7MB in the beginning and 100.9MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 17:56:27,648 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:56:27,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.36ms. Allocated memory is still 178.3MB. Free memory was 149.7MB in the beginning and 138.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:56:27,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.44ms. Allocated memory is still 178.3MB. Free memory was 138.0MB in the beginning and 136.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:56:27,651 INFO L158 Benchmark]: Boogie Preprocessor took 67.90ms. Allocated memory is still 178.3MB. Free memory was 136.4MB in the beginning and 134.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:56:27,651 INFO L158 Benchmark]: RCFGBuilder took 937.09ms. Allocated memory is still 178.3MB. Free memory was 134.4MB in the beginning and 100.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 17:56:27,656 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 111.1MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.36ms. Allocated memory is still 178.3MB. Free memory was 149.7MB in the beginning and 138.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.44ms. Allocated memory is still 178.3MB. Free memory was 138.0MB in the beginning and 136.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.90ms. Allocated memory is still 178.3MB. Free memory was 136.4MB in the beginning and 134.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 937.09ms. Allocated memory is still 178.3MB. Free memory was 134.4MB in the beginning and 100.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: 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. [2022-11-20 17:56:27,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/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_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 17:56:30,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:56:30,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:56:30,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:56:30,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:56:30,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:56:30,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:56:30,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:56:30,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:56:30,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:56:30,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:56:30,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:56:30,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:56:30,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:56:30,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:56:30,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:56:30,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:56:30,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:56:30,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:56:30,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:56:30,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:56:30,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:56:30,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:56:30,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:56:30,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:56:30,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:56:30,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:56:30,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:56:30,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:56:30,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:56:30,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:56:30,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:56:30,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:56:30,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:56:30,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:56:30,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:56:30,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:56:30,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:56:30,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:56:30,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:56:30,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:56:30,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:56:30,432 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:56:30,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:56:30,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:56:30,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:56:30,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:56:30,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:56:30,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:56:30,436 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:56:30,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:56:30,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:56:30,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:56:30,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:56:30,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:56:30,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:56:30,438 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:56:30,439 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:56:30,439 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:56:30,439 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:56:30,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:56:30,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:56:30,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:56:30,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:56:30,440 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:56:30,440 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:56:30,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:56:30,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:30,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:56:30,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:56:30,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:56:30,441 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:56:30,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:56:30,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:56:30,442 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:56:30,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:56:30,442 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_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-20 17:56:30,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:56:30,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:56:30,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:56:30,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:56:30,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:56:30,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-20 17:56:33,987 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:56:34,239 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:56:34,240 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-20 17:56:34,246 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data/071cd3295/9c821e78058941d9a12be8152a9c09b8/FLAGf38a465df [2022-11-20 17:56:34,262 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/data/071cd3295/9c821e78058941d9a12be8152a9c09b8 [2022-11-20 17:56:34,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:56:34,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:56:34,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:34,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:56:34,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:56:34,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a1edfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34, skipping insertion in model container [2022-11-20 17:56:34,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:56:34,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:56:34,522 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_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 17:56:34,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:34,558 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 17:56:34,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:56:34,594 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_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 17:56:34,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:34,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:56:34,670 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_99578535-9716-498f-9301-3e4ab51d6095/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-20 17:56:34,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:34,699 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:56:34,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34 WrapperNode [2022-11-20 17:56:34,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:34,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:34,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:56:34,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:56:34,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,776 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-20 17:56:34,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:34,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:56:34,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:56:34,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:56:34,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:56:34,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:56:34,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:56:34,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:56:34,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:34" (1/1) ... [2022-11-20 17:56:34,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:34,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:56:34,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:56:34,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:56:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:56:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:56:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:56:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:56:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:56:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:56:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:56:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:56:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:56:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:56:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:56:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:56:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:56:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:56:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:56:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:56:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:56:34,938 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:56:35,095 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:56:35,097 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:56:35,530 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:56:35,777 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:56:35,784 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:56:35,785 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-11-20 17:56:35,786 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) [2022-11-20 17:56:35,790 INFO L158 Benchmark]: Toolchain (without parser) took 1524.53ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 45.3MB in the beginning and 51.3MB in the end (delta: -6.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-20 17:56:35,793 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:56:35,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.49ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 31.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:56:35,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.98ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 31.2MB in the beginning and 76.3MB in the end (delta: -45.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:56:35,795 INFO L158 Benchmark]: Boogie Preprocessor took 71.44ms. Allocated memory is still 96.5MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:56:35,796 INFO L158 Benchmark]: RCFGBuilder took 937.72ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 51.3MB in the end (delta: 23.4MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-20 17:56:35,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.49ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 31.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.98ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 31.2MB in the beginning and 76.3MB in the end (delta: -45.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.44ms. Allocated memory is still 96.5MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 937.72ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 51.3MB in the end (delta: 23.4MB). Peak memory consumption was 29.5MB. 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. [2022-11-20 17:56:35,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99578535-9716-498f-9301-3e4ab51d6095/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?