./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:22,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:22,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:22,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:22,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:22,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:22,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:22,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:22,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:22,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:22,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:22,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:22,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:22,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:22,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:22,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:22,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:22,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:22,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:22,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:22,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:22,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:22,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:22,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:22,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:22,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:22,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:22,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:22,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:22,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:22,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:22,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:22,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:22,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:22,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:22,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:22,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:22,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:22,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:22,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:22,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:22,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:22,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:22,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:22,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:22,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:22,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:22,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:22,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:22,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:22,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:22,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:22,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:22,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:22,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:22,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:22,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:22,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:22,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:22,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:22,774 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:22,774 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:22,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:22,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:22,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:22,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:22,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:22,775 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:22,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:22,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:22,776 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2021-11-23 00:28:23,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:23,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:23,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:23,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:23,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:23,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-11-23 00:28:23,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/59914ca91/06d392dd1c4c45ba9cc2579a94adc756/FLAGec4d050da [2021-11-23 00:28:23,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:23,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-11-23 00:28:23,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/59914ca91/06d392dd1c4c45ba9cc2579a94adc756/FLAGec4d050da [2021-11-23 00:28:24,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/59914ca91/06d392dd1c4c45ba9cc2579a94adc756 [2021-11-23 00:28:24,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:24,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:24,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:24,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:24,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:24,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a254d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24, skipping insertion in model container [2021-11-23 00:28:24,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:24,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:24,241 WARN L230 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2021-11-23 00:28:24,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:24,256 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:24,281 WARN L230 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2021-11-23 00:28:24,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:24,300 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:24,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24 WrapperNode [2021-11-23 00:28:24,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:24,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:24,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:24,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:24,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,343 INFO L137 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-23 00:28:24,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:24,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:24,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:24,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:24,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:24,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:24,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:24,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:24,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:24,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:24,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:24,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:28:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:28:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:28:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:28:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:28:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:28:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:28:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:28:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:28:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:24,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:24,519 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:28:24,608 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:24,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:24,903 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:24,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:24,985 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:24,986 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-11-23 00:28:24,990 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:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java: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) [2021-11-23 00:28:24,997 INFO L158 Benchmark]: Toolchain (without parser) took 960.18ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 61.5MB in the beginning and 88.7MB in the end (delta: -27.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,000 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:25,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.59ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 50.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.17ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 106.0MB in the end (delta: -55.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,006 INFO L158 Benchmark]: Boogie Preprocessor took 30.90ms. Allocated memory is still 127.9MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:25,007 INFO L158 Benchmark]: RCFGBuilder took 603.16ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 88.7MB in the end (delta: 15.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.59ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 50.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.17ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 106.0MB in the end (delta: -55.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.90ms. Allocated memory is still 127.9MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 603.16ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 88.7MB in the end (delta: 15.8MB). Peak memory consumption was 18.9MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:28:25,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:27,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:27,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:27,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:27,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:27,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:27,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:27,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:27,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:27,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:27,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:27,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:27,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:27,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:27,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:27,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:27,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:27,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:27,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:27,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:27,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:27,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:27,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:27,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:27,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:27,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:27,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:27,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:27,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:27,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:27,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:27,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:27,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:27,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:27,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:27,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:27,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:27,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:27,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:27,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:27,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:27,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:28:27,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:27,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:27,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:27,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:27,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:27,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:27,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:27,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:27,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:27,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:27,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:27,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:27,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:27,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:28:27,700 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:28:27,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:28:27,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:27,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:27,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:27,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:27,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:27,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:27,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:27,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:27,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:27,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:27,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:27,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:28:27,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:28:27,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:27,704 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:28:27,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:28:27,705 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2021-11-23 00:28:28,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:28,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:28,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:28,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:28,092 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:28,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-11-23 00:28:28,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/8a5a3519d/7c856957936346ebb4c437710e6f4c17/FLAGd7bbc283d [2021-11-23 00:28:28,717 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:28,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-11-23 00:28:28,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/8a5a3519d/7c856957936346ebb4c437710e6f4c17/FLAGd7bbc283d [2021-11-23 00:28:29,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/data/8a5a3519d/7c856957936346ebb4c437710e6f4c17 [2021-11-23 00:28:29,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:29,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:29,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:29,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:29,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:29,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735f4c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29, skipping insertion in model container [2021-11-23 00:28:29,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:29,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:29,296 WARN L230 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2021-11-23 00:28:29,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:29,360 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:28:29,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:29,386 WARN L230 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2021-11-23 00:28:29,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:29,409 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:29,453 WARN L230 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_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2021-11-23 00:28:29,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:29,483 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:29,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29 WrapperNode [2021-11-23 00:28:29,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:29,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:29,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:29,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:29,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,526 INFO L137 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-11-23 00:28:29,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:29,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:29,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:29,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:29,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:29,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:29,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:29,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:29,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:29,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:29,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:28:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:28:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:28:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:28:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:28:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:28:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:28:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:28:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:28:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:28:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:28:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:28:29,665 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:28:29,800 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:29,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:30,207 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:30,359 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:30,360 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:30,361 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-11-23 00:28:30,362 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:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java: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) [2021-11-23 00:28:30,370 INFO L158 Benchmark]: Toolchain (without parser) took 1291.26ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.8MB in the beginning and 35.5MB in the end (delta: -5.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,370 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:30,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.42ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.6MB in the beginning and 43.3MB in the end (delta: -13.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.89ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:30,375 INFO L158 Benchmark]: Boogie Preprocessor took 33.02ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,375 INFO L158 Benchmark]: RCFGBuilder took 806.09ms. Allocated memory is still 62.9MB. Free memory was 40.1MB in the beginning and 35.5MB in the end (delta: 4.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.42ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.6MB in the beginning and 43.3MB in the end (delta: -13.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.89ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.02ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 806.09ms. Allocated memory is still 62.9MB. Free memory was 40.1MB in the beginning and 35.5MB in the end (delta: 4.6MB). Peak memory consumption was 14.5MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:28:30,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e9cf6-15c5-43f3-82f3-b7059d1464b7/bin/ukojak-LBtLqBUTdQ/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?